Snowdon walk

A beginners guide to safely climbing the highest mountain in England and Wales.

Hiking weather forecast

Snowdonia hourly weather (Visual Crossing)

Sunset: 20:41. Dusk: 21:21. Moon: 67% (03:11 to dawn)

Updated: 17:31 on Mon, 29-Apr

06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21
Today 0% 100% 100% 84% 84%
Tue, 30-Apr 81% 81% 71% 71% 71% 71% 71% 71% 100% 100% 100% 100% 100% 100% 45% 45%
Wed, 01-May 10% 10% 0% 0% 0% 0% 0% 0% 39% 39% 39% 39% 39% 39% 81% 81%
Thu, 02-May 48% 48% 🌫 42% 🌫 42% 🌫 42% 42% 42% 42% 52% 52% 52% 52% 52% 52% 55% 55%
Fri, 03-May 🌫 32% 🌫 32% 🌫 39% 🌫 39% 🌫 39% 🌫 39% 🌫 39% 🌫 39% 🌫 39% 🌫 39% 🌫 39% 🌫 39% 🌫 39% 🌫 39% 19% 19%
Sat, 04-May 19% 19% 23% 23% 23% 23% 23% 23% 45% 45% 45% 45% 45% 45% 10% 10%
Sun, 05-May 16% 16% 26% 26% 26% 26% 26% 26% 58% 58% 58% 58% 58% 58% 42% 42%
Mon, 06-May 32% 32% 26% 26% 26% 26% 26% 26% 29% 29% 29% 29% 29% 29% 23% 23%
Tue, 07-May 23% 23% 19% 19% 19% 19% 19% 19% 13% 13% 13% 13% 13% 13% 13% 13%
Wed, 08-May 19% 19% 10% 10% 10% 10% 10% 10% 19% 19% 19% 19% 19% 19% 19% 19%
Thu, 09-May 10% 10% 7% 7% 7% 7% 7% 7% 16% 16% 16% 16% 16% 16% 13% 13%
Fri, 10-May 13% 13% 16% 16% 16% 16% 16% 16% 23% 23% 23% 23% 23% 23% 7% 7%
Sat, 11-May 10% 10% 13% 13% 13% 13% 13% 13% 23% 23% 23% 23% 23% 23% 7% 7%
Sun, 12-May 10% 10% 23% 23% 23% 23% 23% 23% 23% 23% 23% 23% 23% 23% 13% 13%
Mon, 13-May 13% 13% 26% 26% 26% 26% 26% 26% 32% 32% 32% 32% 32% 32% 29% 29%

Powered by Visual Crossing Weather

Snowdonia hourly weather (Open Meteo)

Sunset: 20:41. Dusk: 21:21. Moon: 67% (03:11 to dawn)

Updated: 17:32 on Mon, 29-Apr

06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21
Today 100% 100% 100% 100% 95%
Tue, 30-Apr 66% 73% 81% 74% 68% 61% 58% 55% 52% 65% 77% 90% 90% 90% 90% 82%
Wed, 01-May 7% 3% 0% 0% 0% 0% 1% 2% 3% 8% 14% 19% 26% 32% 39% 48%
Thu, 02-May 46% 44% 42% 41% 40% 39% 40% 41% 42% 40% 37% 35% 39% 44% 48% 49%
Fri, 03-May 33% 34% 35% 35% 35% 35% 33% 31% 29% 33% 38% 42% 38% 33% 29% 25%
Sat, 04-May 14% 15% 16% 18% 21% 23% 21% 18% 16% 26% 35% 45% 45% 45% 45% 33%
Sun, 05-May 18% 17% 16% 16% 16% 16% 20% 25% 29% 40% 50% 61% 59% 57% 55% 54%
Mon, 06-May 27% 21% 16% 15% 14% 13% 18% 24% 29% 30% 31% 32% 28% 23% 19% 20%
Tue, 07-May

Weather data by Open-Meteo.com

Snowdonia hourly weather (Met Office)

Sunset: 20:41. Dusk: 21:21. Moon: 67% (03:11 to dawn)

Updated: 15:00 on Mon, 29-Apr

06 09 12 15 18 21
Today 93% 80% 49%
Tue, 30-Apr 48% 48% 58% 63% 17% 18%
Wed, 01-May 7% 6% 13% 13% 16% 18%
Thu, 02-May 36% 8% 5% 5% 3% 3%
Fri, 03-May 10% 9% 13% 16% 14% 9%
Sat, 04-May 9% 8% 9% 10% 11% 8%
Sun, 05-May 6% 10% 12% 16% 32% 7%
Mon, 06-May 10% 11% 14% 13%

Powered by Met Office data.

Snowdonia weather (Met Office)

Updated: 13:20 on Mon, 29-Apr

Rain and times, heaviest in the south and west.

This Evening and Tonight:

  • Further rain at times this evening and overnight.
  • Some heavier bursts are likely, mainly in the south and west and over higher ground.
  • Drier spells developing in the northeast.
  • Winds turn stronger from the south by dawn.
  • Minimum Temperature 7C.

Tuesday:

  • Often cloudy with showery rain, persistent and heavy at times.
  • Perhaps turning sunnier by the evening in the far southwest.
  • Windy in the morning though easing through the afternoon.
  • Maximum Temperature 14C.

Wednesday to Friday:

  • Turning drier as we move into May but some rain remains possible.
  • Feeling warmer than recently with spells of sunshine.
  • Temperatures often somewhat above average but also breezy at times.

UK Day 6-7 and week 2

  • A fairly uncertain period through the bank holiday weekend with more likely a warm but cloudy period with bright spells, greatest in the north and showers more likely in the south.
  • However there is also potential for a more unsettled spell to spread from the west with fresh winds and bands of rain mid-weekend, signals still unclear regards this.
  • Into the new week all areas are likely to see a mixture of showery periods or spells of rain, though generally drier conditions expected.
  • Overall, southern parts of the UK will probably be driest and sunniest with a north-westerly wind most likely bringing more changeable conditions across the north or northwest.
  • Temperatures should remain close to or a little above normal for early May.

UK Week 3 and 4

  • In this period, the chances of unsettled weather are slightly less than usual in the far north but about the same as usual for the bulk of the UK.
  • Therefore, some spells of wet weather are likely for all, but perhaps especially across southern/central areas while the driest conditions relative to normal are probably further north.
  • The chance of below or above average temperatures is fairly balanced overall, but it is worth noting that average temperatures themselves rise by around 1C per week at this time of year.

Powered by Met Office data.

Snowdonia mountain weather forecast (Met Office)

Sunset: 20:41. Dusk: 21:21. Moon: 67% (03:11 to dawn)

Updated: 08:15 on Mon, 29-Apr

Today
Mon, 29-Apr

Unsettled with strong winds and lengthy spells of rain, occasionally heavy.

Outbreaks of rain becoming persistent through the morning, turning increasingly heavy especially over exposed southern upslopes. Rain may ease during the evening, especially towards Llanberis where some short-lived dry intervals are possible.

Chance of Cloud free tops 30%.
Ground conditions Please see - https://yrwyddfa.live/
Visibility Moderate visibility outside of any cloud, dropping to poor or very poor in heavy persistent rain. Broken cloud amounts covering hills above 500-600m.
Confidence High for Monday being a wet day. Moderate for the general evolution thereafter and low for details of low cloud, rain and thunderstorms. An increasingly uncertain outlook during the middle of the week.
View Strong winds and rain making for significant wind chill, especially at height. Gusts of 40-50mph, up to 60mph on highest routes, will make for very challenging walking conditions. Waterproofs may become soaked and a few watercourses may become swollen with surfaces slippery underfoot.
Medium risk Gales Severe Chill Effect Poor Visibility Heavy Persistent Rain

Conditions on the tops

Time Weather Rain Temp Wind Freezing
06:00 Heavy rain showers 40% 3 40 1400m
09:00 Heavy Rain 80% 4 47 1400m
12:00 Heavy Rain 90% 4 50 1500m
15:00 Heavy Rain 90% 4 38 1500m
18:00 Light rain 80% 4 35 1400m
21:00 Light rain 60% 4 29 1400m
Tue, 30-Apr

Further outbreaks of locally heavy rain and showers, heaviest on western regions of the park. Rain becoming lighter and patchy by the evening.

Ice Above summits.
Visibility Moderate visibility falling to poor or very poor in heavy rain. Extensive cloud with bases 300-400m in the morning resulting in hill fog. Bases generally lifting in the afternoon but still covering hills over 600-700m. Best of any breaks in the east of the Park, here cloud bases mainly above summits, however lowering in pulses of rain.
Wind South to southeasterly becoming southerly 25-35mph gusting 40-50mph, easing Tuesday evening 15mph gusting 20-25mph.
Temp Plus 3 Celsius rising Plus 5 Celsius. (at high level)
Wed, 01-May

Areas of hill fog gradually clearing to sunny spells. Cloudier through the afternoon with some locally heavy showers or longer spells of heavy rain in the evening. Light and variable winds. Freezing level above summits

Thu, 02-May

Considerable uncertainty by Thursday. Cloudy morning with outbreaks of locally heavy rain and a risk of hill fog. Perhaps a drier and brighter afternoon, especially across the north. Moderate northerly winds. Freezing level above summits.

Fri, 03-May

High uncertainly. Variable cloud with spells of strong sunshine. Chance of low cloud or hill fog across eastern slopes. Risk of heavy showers in the afternoon. Moderate northerly winds. Freezing level remaining above summits.

Powered by Met Office data.

Snowdonia daylight

Date Dawn Sunrise Sunset Dusk Day Length
Mon, 29-Apr 05:07 05:46 20:41 21:21 16:14
Tue, 30-Apr 05:04 05:44 20:43 21:23 16:18
Wed, 01-May 05:02 05:42 20:44 21:25 16:23
Thu, 02-May 05:00 05:40 20:46 21:27 16:27
Fri, 03-May 04:58 05:38 20:48 21:29 16:31
Sat, 04-May 04:56 05:36 20:50 21:31 16:35
Sun, 05-May 04:53 05:34 20:51 21:33 16:39
Mon, 06-May 04:51 05:33 20:53 21:34 16:43
Tue, 07-May 04:49 05:31 20:55 21:36 16:47
Wed, 08-May 04:47 05:29 20:56 21:38 16:51
Thu, 09-May 04:45 05:27 20:58 21:40 16:55
Fri, 10-May 04:43 05:25 21:00 21:42 16:59
Sat, 11-May 04:41 05:24 21:01 21:44 17:03
Sun, 12-May 04:39 05:22 21:03 21:46 17:07
Mon, 13-May 04:37 05:20 21:05 21:48 17:11
Tue, 14-May 04:35 05:19 21:06 21:50 17:15
Wed, 15-May 04:33 05:17 21:08 21:52 17:19
Thu, 16-May 04:31 05:16 21:09 21:54 17:22
Fri, 17-May 04:30 05:14 21:11 21:56 17:26
Sat, 18-May 04:28 05:13 21:13 21:57 17:30
Sun, 19-May 04:26 05:11 21:14 21:59 17:33
Mon, 20-May 04:25 05:10 21:16 22:01 17:37
Tue, 21-May 04:23 05:08 21:17 22:03 17:40
Wed, 22-May 04:21 05:07 21:18 22:05 17:43
Thu, 23-May 04:20 05:06 21:20 22:06 17:47
Fri, 24-May 04:18 05:04 21:21 22:08 17:50
Sat, 25-May 04:17 05:03 21:23 22:10 17:53
Sun, 26-May 04:15 05:02 21:24 22:11 17:56
Mon, 27-May 04:14 05:01 21:25 22:13 17:59
Tue, 28-May 04:13 05:00 21:27 22:14 18:02
Wed, 29-May 04:11 04:59 21:28 22:16 18:05
Thu, 30-May 04:10 04:58 21:29 22:17 18:07
Fri, 31-May 04:09 04:57 21:30 22:19 18:10
Sat, 01-Jun 04:08 04:56 21:31 22:20 18:13
Sun, 02-Jun 04:07 04:55 21:33 22:22 18:15
Mon, 03-Jun 04:06 04:55 21:34 22:23 18:17
Tue, 04-Jun 04:05 04:54 21:35 22:24 18:19
Wed, 05-Jun 04:04 04:53 21:36 22:25 18:22
Thu, 06-Jun 04:03 04:53 21:37 22:26 18:24
Fri, 07-Jun 04:02 04:52 21:38 22:28 18:25
Sat, 08-Jun 04:02 04:52 21:38 22:29 18:27
Sun, 09-Jun 04:01 04:51 21:39 22:30 18:29
Mon, 10-Jun 04:00 04:51 21:40 22:31 18:30
Tue, 11-Jun 04:00 04:50 21:41 22:31 18:32
Wed, 12-Jun 03:59 04:50 21:41 22:32 18:33
Thu, 13-Jun 03:59 04:50 21:42 22:33 18:34
Fri, 14-Jun 03:59 04:50 21:43 22:34 18:35
Sat, 15-Jun 03:59 04:50 21:43 22:34 18:36
Sun, 16-Jun 03:58 04:50 21:43 22:35 18:36
Mon, 17-Jun 03:58 04:49 21:44 22:35 18:37
Tue, 18-Jun 03:58 04:50 21:44 22:36 18:37
Wed, 19-Jun 03:58 04:50 21:45 22:36 18:38
Thu, 20-Jun 03:58 04:50 21:45 22:36 18:38
Fri, 21-Jun 03:59 04:50 21:45 22:36 18:38
Sat, 22-Jun 03:59 04:50 21:45 22:36 18:37
Sun, 23-Jun 03:59 04:51 21:45 22:36 18:37
Mon, 24-Jun 04:00 04:51 21:45 22:36 18:37
Tue, 25-Jun 04:00 04:51 21:45 22:36 18:36
Wed, 26-Jun 04:01 04:52 21:45 22:36 18:35
Thu, 27-Jun 04:01 04:52 21:45 22:36 18:35
Fri, 28-Jun 04:02 04:53 21:45 22:36 18:34
Sat, 29-Jun 04:03 04:54 21:44 22:35 18:32
Sun, 30-Jun 04:04 04:54 21:44 22:35 18:31
Mon, 01-Jul 04:04 04:55 21:44 22:34 18:30
Tue, 02-Jul 04:05 04:56 21:43 22:34 18:28
Wed, 03-Jul 04:06 04:56 21:43 22:33 18:27
Thu, 04-Jul 04:07 04:57 21:42 22:32 18:25
Fri, 05-Jul 04:08 04:58 21:42 22:31 18:23
Sat, 06-Jul 04:10 04:59 21:41 22:31 18:21
Sun, 07-Jul 04:11 05:00 21:40 22:30 18:19
Mon, 08-Jul 04:12 05:01 21:40 22:29 18:17
Tue, 09-Jul 04:13 05:02 21:39 22:28 18:14
Wed, 10-Jul 04:15 05:03 21:38 22:27 18:12
Thu, 11-Jul 04:16 05:04 21:37 22:25 18:09
Fri, 12-Jul 04:17 05:06 21:36 22:24 18:07
Sat, 13-Jul 04:19 05:07 21:35 22:23 18:04
Sun, 14-Jul 04:20 05:08 21:34 22:22 18:01
Mon, 15-Jul 04:22 05:09 21:33 22:20 17:58
Tue, 16-Jul 04:23 05:11 21:32 22:19 17:55
Wed, 17-Jul 04:25 05:12 21:31 22:17 17:52
Thu, 18-Jul 04:27 05:13 21:30 22:16 17:49
Fri, 19-Jul 04:28 05:15 21:28 22:14 17:46
Sat, 20-Jul 04:30 05:16 21:27 22:13 17:43
Sun, 21-Jul 04:32 05:17 21:26 22:11 17:39
Mon, 22-Jul 04:33 05:19 21:24 22:09 17:36
Tue, 23-Jul 04:35 05:20 21:23 22:08 17:32
Wed, 24-Jul 04:37 05:22 21:21 22:06 17:29
Thu, 25-Jul 04:39 05:23 21:20 22:04 17:25
Fri, 26-Jul 04:41 05:25 21:18 22:02 17:22
Sat, 27-Jul 04:42 05:26 21:17 22:00 17:18
Sun, 28-Jul 04:44 05:28 21:15 21:59 17:14
Mon, 29-Jul 04:46 05:30 21:13 21:57 17:11
Tue, 30-Jul 04:48 05:31 21:12 21:55 17:07
Wed, 31-Jul 04:50 05:33 21:10 21:53 17:03
Thu, 01-Aug 04:52 05:34 21:08 21:51 16:59
Fri, 02-Aug 04:54 05:36 21:07 21:49 16:55
Sat, 03-Aug 04:56 05:38 21:05 21:47 16:51
Sun, 04-Aug 04:57 05:39 21:03 21:44 16:47
Mon, 05-Aug 04:59 05:41 21:01 21:42 16:43
Tue, 06-Aug 05:01 05:42 20:59 21:40 16:39
Wed, 07-Aug 05:03 05:44 20:57 21:38 16:35
Thu, 08-Aug 05:05 05:46 20:55 21:36 16:31
Fri, 09-Aug 05:07 05:47 20:53 21:34 16:27
Sat, 10-Aug 05:09 05:49 20:51 21:31 16:23
Sun, 11-Aug 05:11 05:51 20:49 21:29 16:18
Mon, 12-Aug 05:13 05:53 20:47 21:27 16:14
Tue, 13-Aug 05:15 05:54 20:45 21:25 16:10
Wed, 14-Aug 05:17 05:56 20:43 21:22 16:06
Thu, 15-Aug 05:18 05:58 20:41 21:20 16:02
Fri, 16-Aug 05:20 05:59 20:39 21:18 15:57
Sat, 17-Aug 05:22 06:01 20:37 21:15 15:53
Sun, 18-Aug 05:24 06:03 20:35 21:13 15:49
Mon, 19-Aug 05:26 06:04 20:33 21:11 15:45
Tue, 20-Aug 05:28 06:06 20:30 21:08 15:40
Wed, 21-Aug 05:30 06:08 20:28 21:06 15:36
Thu, 22-Aug 05:32 06:09 20:26 21:04 15:32
Fri, 23-Aug 05:34 06:11 20:24 21:01 15:28
Sat, 24-Aug 05:35 06:13 20:22 20:59 15:23
Sun, 25-Aug 05:37 06:15 20:19 20:56 15:19
Mon, 26-Aug 05:39 06:16 20:17 20:54 15:15
Tue, 27-Aug 05:41 06:18 20:15 20:51 15:10
Wed, 28-Aug 05:43 06:20 20:12 20:49 15:06
Thu, 29-Aug 05:45 06:21 20:10 20:47 15:02
Fri, 30-Aug 05:47 06:23 20:08 20:44 14:58
Sat, 31-Aug 05:48 06:25 20:06 20:42 14:53
Sun, 01-Sep 05:50 06:26 20:03 20:39 14:49
Mon, 02-Sep 05:52 06:28 20:01 20:37 14:45
Tue, 03-Sep 05:54 06:30 19:59 20:34 14:40
Wed, 04-Sep 05:56 06:32 19:56 20:32 14:36
Thu, 05-Sep 05:58 06:33 19:54 20:29 14:32
Fri, 06-Sep 05:59 06:35 19:51 20:27 14:28
Sat, 07-Sep 06:01 06:37 19:49 20:24 14:23
Sun, 08-Sep 06:03 06:38 19:47 20:22 14:19
Mon, 09-Sep 06:05 06:40 19:44 20:19 14:15
Tue, 10-Sep 06:07 06:42 19:42 20:17 14:10
Wed, 11-Sep 06:08 06:43 19:40 20:14 14:06
Thu, 12-Sep 06:10 06:45 19:37 20:12 14:02
Fri, 13-Sep 06:12 06:47 19:35 20:10 13:58
Sat, 14-Sep 06:14 06:48 19:32 20:07 13:53
Sun, 15-Sep 06:15 06:50 19:30 20:05 13:49
Mon, 16-Sep 06:17 06:52 19:28 20:02 13:45
Tue, 17-Sep 06:19 06:54 19:25 20:00 13:41
Wed, 18-Sep 06:21 06:55 19:23 19:57 13:37
Thu, 19-Sep 06:22 06:57 19:20 19:55 13:32
Fri, 20-Sep 06:24 06:59 19:18 19:52 13:28
Sat, 21-Sep 06:26 07:00 19:15 19:50 13:24
Sun, 22-Sep 06:28 07:02 19:13 19:47 13:20
Mon, 23-Sep 06:29 07:04 19:11 19:45 13:16
Tue, 24-Sep 06:31 07:06 19:08 19:43 13:11
Wed, 25-Sep 06:33 07:07 19:06 19:40 13:07
Thu, 26-Sep 06:35 07:09 19:03 19:38 13:03
Fri, 27-Sep 06:36 07:11 19:01 19:35 12:59
Sat, 28-Sep 06:38 07:12 18:59 19:33 12:55
Sun, 29-Sep 06:40 07:14 18:56 19:31 12:51
Mon, 30-Sep 06:42 07:16 18:54 19:28 12:47
Tue, 01-Oct 06:43 07:18 18:52 19:26 12:42
Wed, 02-Oct 06:45 07:19 18:49 19:23 12:38
Thu, 03-Oct 06:47 07:21 18:47 19:21 12:34
Fri, 04-Oct 06:48 07:23 18:44 19:19 12:30
Sat, 05-Oct 06:50 07:25 18:42 19:16 12:26
Sun, 06-Oct 06:52 07:26 18:40 19:14 12:22
Mon, 07-Oct 06:54 07:28 18:37 19:12 12:18
Tue, 08-Oct 06:55 07:30 18:35 19:10 12:14
Wed, 09-Oct 06:57 07:32 18:33 19:07 12:10
Thu, 10-Oct 06:59 07:33 18:30 19:05 12:06
Fri, 11-Oct 07:01 07:35 18:28 19:03 12:02
Sat, 12-Oct 07:02 07:37 18:26 19:01 11:58
Sun, 13-Oct 07:04 07:39 18:24 18:58 11:54
Mon, 14-Oct 07:06 07:41 18:21 18:56 11:50
Tue, 15-Oct 07:08 07:42 18:19 18:54 11:46
Wed, 16-Oct 07:09 07:44 18:17 18:52 11:42
Thu, 17-Oct 07:11 07:46 18:15 18:50 11:39
Fri, 18-Oct 07:13 07:48 18:12 18:48 11:35
Sat, 19-Oct 07:15 07:50 18:10 18:45 11:31
Sun, 20-Oct 07:16 07:52 18:08 18:43 11:27
Mon, 21-Oct 07:18 07:53 18:06 18:41 11:23
Tue, 22-Oct 07:20 07:55 18:04 18:39 11:19
Wed, 23-Oct 07:22 07:57 18:02 18:37 11:16
Thu, 24-Oct 07:23 07:59 18:00 18:35 11:12
Fri, 25-Oct 07:25 08:01 17:58 18:33 11:08

Day length is dusk to dawn. Times will vary a little if there is a hill on the horizon.

It should still be light enough to read at dawn and dusk, so there will be enough light for walking even earlier (later).

Snowdonia moonlight

Night of Sunset Dusk Moon Rise Moon Set Dawn Sunrise Phase % Full Max. Ht. Night Walk
Mon, 29-Apr 20:41 21:21 03:11 dawn 05:04 05:44 67 % 06:30
Tue, 30-Apr 20:43 21:23 03:39 dawn 05:02 05:42 56 % 07:27
Wed, 01-May 20:44 21:25 03:59 dawn 05:00 05:40 45 % 08:21
Thu, 02-May 20:46 21:27 04:13 dawn 04:58 05:38 33 % 09:12
Fri, 03-May 20:48 21:29 04:25 dawn 04:56 05:36 23 % 10:02
Sat, 04-May 20:50 21:31 04:36 dawn 04:53 05:34 14 %
Sun, 05-May 20:51 21:33 04:47 dawn 04:51 05:33 7 %
Mon, 06-May 20:53 21:34 04:49 05:31 2 %
Tue, 07-May 20:55 21:36 04:47 05:29 0 %
Wed, 08-May 20:56 21:38 dusk 22:07 04:45 05:27 1 %
Thu, 09-May 20:58 21:40 dusk 23:36 04:43 05:25 4 % 14:28
Fri, 10-May 21:00 21:42 dusk 00:51 04:41 05:24 10 % 15:27
Sat, 11-May 21:01 21:44 dusk 01:47 04:39 05:22 17 % 16:27
Sun, 12-May 21:03 21:46 dusk 02:24 04:37 05:20 26 % 17:23
Mon, 13-May 21:05 21:48 dusk 02:48 04:35 05:19 35 % 18:16
Tue, 14-May 21:06 21:50 dusk 03:05 04:33 05:17 45 % 19:04
Wed, 15-May 21:08 21:52 dusk 03:17 04:31 05:16 55 % 19:48
Thu, 16-May 21:09 21:54 dusk 03:26 04:30 05:14 64 % 20:29
Fri, 17-May 21:11 21:56 dusk 03:35 04:28 05:13 73 % 21:09
Sat, 18-May 21:13 21:57 dusk 03:43 04:26 05:11 81 % 21:48 after dusk
Sun, 19-May 21:14 21:59 dusk 03:51 04:25 05:10 88 % 22:27 after dusk
Mon, 20-May 21:16 22:01 dusk 04:01 04:23 05:08 93 % 23:08 after dusk
Tue, 21-May 21:17 22:03 dusk 04:13 04:21 05:07 97 % 23:52 after dusk
Wed, 22-May 21:18 22:05 dusk dawn 04:20 05:06 100 % 00:40 all night
Thu, 23-May 21:20 22:06 dusk dawn 04:18 05:04 100 % 01:32 all night
Fri, 24-May 21:21 22:08 23:18 dawn 04:17 05:03 98 % 02:28 before dawn
Sat, 25-May 21:23 22:10 00:23 dawn 04:15 05:02 94 % 03:26 before dawn
Sun, 26-May 21:24 22:11 01:11 dawn 04:14 05:01 87 % 04:25 before dawn
Mon, 27-May 21:25 22:13 01:43 dawn 04:13 05:00 79 % 05:23 before dawn
Tue, 28-May 21:27 22:14 02:05 dawn 04:11 04:59 69 % 06:17
Wed, 29-May 21:28 22:16 02:20 dawn 04:10 04:58 59 % 07:08
Thu, 30-May 21:29 22:17 02:33 dawn 04:09 04:57 47 % 07:57
Fri, 31-May 21:30 22:19 02:43 dawn 04:08 04:56 36 % 08:45
Sat, 01-Jun 21:31 22:20 02:54 dawn 04:07 04:55 25 % 09:34
Sun, 02-Jun 21:33 22:22 03:06 dawn 04:06 04:55 16 % 10:24
Mon, 03-Jun 21:34 22:23 03:20 dawn 04:05 04:54 8 %
Tue, 04-Jun 21:35 22:24 03:39 dawn 04:04 04:53 3 %
Wed, 05-Jun 21:36 22:25 04:03 04:53 0 %
Thu, 06-Jun 21:37 22:26 dusk 22:29 04:02 04:52 0 %
Fri, 07-Jun 21:38 22:28 dusk 23:34 04:02 04:52 2 % 14:11
Sat, 08-Jun 21:38 22:29 dusk 00:19 04:01 04:51 7 % 15:10
Sun, 09-Jun 21:39 22:30 dusk 00:49 04:00 04:51 13 % 16:05
Mon, 10-Jun 21:40 22:31 dusk 01:09 04:00 04:50 21 % 16:56
Tue, 11-Jun 21:41 22:31 dusk 01:23 03:59 04:50 29 % 17:42
Wed, 12-Jun 21:41 22:32 dusk 01:34 03:59 04:50 38 % 18:25
Thu, 13-Jun 21:42 22:33 dusk 01:42 03:59 04:50 48 % 19:05
Fri, 14-Jun 21:43 22:34 dusk 01:50 03:59 04:50 57 % 19:44
Sat, 15-Jun 21:43 22:34 dusk 01:59 03:58 04:50 66 % 20:23
Sun, 16-Jun 21:43 22:35 dusk 02:08 03:58 04:49 75 % 21:03 after dusk
Mon, 17-Jun 21:44 22:35 dusk 02:19 03:58 04:50 83 % 21:46 after dusk
Tue, 18-Jun 21:44 22:36 dusk 02:34 03:58 04:50 90 % 22:32 after dusk
Wed, 19-Jun 21:45 22:36 dusk 02:56 03:58 04:50 95 % 23:22 after dusk
Thu, 20-Jun 21:45 22:36 dusk 03:29 03:59 04:50 99 % 00:17 after dusk
Fri, 21-Jun 21:45 22:36 dusk dawn 03:59 04:50 100 % 01:16 all night
Sat, 22-Jun 21:45 22:36 23:07 dawn 03:59 04:51 99 % 02:16 before dawn
Sun, 23-Jun 21:45 22:36 23:44 dawn 04:00 04:51 95 % 03:15 before dawn
Mon, 24-Jun 21:45 22:36 00:10 dawn 04:00 04:51 90 % 04:12 before dawn
Tue, 25-Jun 21:45 22:36 00:27 dawn 04:01 04:52 81 % 05:05 before dawn
Wed, 26-Jun 21:45 22:36 00:40 dawn 04:01 04:52 72 % 05:55
Thu, 27-Jun 21:45 22:36 00:51 dawn 04:02 04:53 61 % 06:43
Fri, 28-Jun 21:45 22:36 01:02 dawn 04:03 04:54 49 % 07:31
Sat, 29-Jun 21:44 22:35 01:13 dawn 04:04 04:54 38 % 08:19
Sun, 30-Jun 21:44 22:35 01:26 dawn 04:04 04:55 27 % 09:10
Mon, 01-Jul 21:44 22:34 01:43 dawn 04:05 04:56 18 % 10:04
Tue, 02-Jul 21:43 22:34 02:07 dawn 04:06 04:56 10 %
Wed, 03-Jul 21:43 22:33 02:43 dawn 04:07 04:57 5 %
Thu, 04-Jul 21:42 22:32 03:35 dawn 04:08 04:58 1 %
Fri, 05-Jul 21:42 22:31 04:10 04:59 0 %
Sat, 06-Jul 21:41 22:31 dusk 22:49 04:11 05:00 1 % 13:54
Sun, 07-Jul 21:40 22:30 dusk 23:12 04:12 05:01 4 % 14:47
Mon, 08-Jul 21:40 22:29 dusk 23:28 04:13 05:02 9 % 15:35
Tue, 09-Jul 21:39 22:28 dusk 23:40 04:15 05:03 16 % 16:19
Wed, 10-Jul 21:38 22:27 dusk 23:50 04:16 05:04 23 % 17:01
Thu, 11-Jul 21:37 22:25 dusk 23:58 04:17 05:06 32 % 17:40
Fri, 12-Jul 21:36 22:24 dusk 00:06 04:19 05:07 41 % 18:19
Sat, 13-Jul 21:35 22:23 dusk 00:14 04:20 05:08 50 % 18:58
Sun, 14-Jul 21:34 22:22 dusk 00:24 04:22 05:09 60 % 19:39
Mon, 15-Jul 21:33 22:20 dusk 00:37 04:23 05:11 69 % 20:23
Tue, 16-Jul 21:32 22:19 dusk 00:56 04:25 05:12 78 % 21:11 after dusk
Wed, 17-Jul 21:31 22:17 dusk 01:23 04:27 05:13 86 % 22:04 after dusk
Thu, 18-Jul 21:30 22:16 dusk 02:05 04:28 05:15 92 % 23:01 after dusk
Fri, 19-Jul 21:28 22:14 dusk 03:08 04:30 05:16 97 % 00:01 after dusk
Sat, 20-Jul 21:27 22:13 dusk 04:29 04:32 05:17 100 % 01:02 after dusk
Sun, 21-Jul 21:26 22:11 22:12 dawn 04:33 05:19 100 % 02:01 before dawn
Mon, 22-Jul 21:24 22:09 22:32 dawn 04:35 05:20 97 % 02:57 before dawn
Tue, 23-Jul 21:23 22:08 22:47 dawn 04:37 05:22 91 % 03:50 before dawn
Wed, 24-Jul 21:21 22:06 22:59 dawn 04:39 05:23 83 % 04:40 before dawn
Thu, 25-Jul 21:20 22:04 23:10 dawn 04:41 05:25 74 % 05:28
Fri, 26-Jul 21:18 22:02 23:20 dawn 04:42 05:26 63 % 06:17
Sat, 27-Jul 21:17 22:00 23:33 dawn 04:44 05:28 52 % 07:07
Sun, 28-Jul 21:15 21:59 23:48 dawn 04:46 05:30 41 % 07:59
Mon, 29-Jul 21:13 21:57 00:09 dawn 04:48 05:31 30 % 08:55
Tue, 30-Jul 21:12 21:55 00:41 dawn 04:50 05:33 21 % 09:52
Wed, 31-Jul 21:10 21:53 01:26 dawn 04:52 05:34 13 %
Thu, 01-Aug 21:08 21:51 02:28 dawn 04:54 05:36 6 %
Fri, 02-Aug 21:07 21:49 03:43 dawn 04:56 05:38 2 %
Sat, 03-Aug 21:05 21:47 04:57 05:39 0 %
Sun, 04-Aug 21:03 21:44 04:59 05:41 0 %
Mon, 05-Aug 21:01 21:42 dusk 21:47 05:01 05:42 2 % 14:15
Tue, 06-Aug 20:59 21:40 dusk 21:57 05:03 05:44 6 % 14:57
Wed, 07-Aug 20:57 21:38 dusk 22:06 05:05 05:46 11 % 15:37
Thu, 08-Aug 20:55 21:36 dusk 22:14 05:07 05:47 18 % 16:16
Fri, 09-Aug 20:53 21:34 dusk 22:22 05:09 05:49 25 % 16:55
Sat, 10-Aug 20:51 21:31 dusk 22:31 05:11 05:51 34 % 17:35
Sun, 11-Aug 20:49 21:29 dusk 22:42 05:13 05:53 43 % 18:17
Mon, 12-Aug 20:47 21:27 dusk 22:57 05:15 05:54 53 % 19:02
Tue, 13-Aug 20:45 21:25 dusk 23:20 05:17 05:56 63 % 19:52
Wed, 14-Aug 20:43 21:22 dusk 23:54 05:18 05:58 73 % 20:46
Thu, 15-Aug 20:41 21:20 dusk 00:46 05:20 05:59 82 % 21:44 after dusk
Fri, 16-Aug 20:39 21:18 dusk 01:58 05:22 06:01 89 % 22:44 after dusk
Sat, 17-Aug 20:37 21:15 dusk 03:27 05:24 06:03 95 % 23:44 after dusk
Sun, 18-Aug 20:35 21:13 dusk 05:02 05:26 06:04 99 % 00:42 after dusk
Mon, 19-Aug 20:33 21:11 dusk dawn 05:28 06:06 100 % 01:37 all night
Tue, 20-Aug 20:30 21:08 dusk dawn 05:30 06:08 98 % 02:30 all night
Wed, 21-Aug 20:28 21:06 21:17 dawn 05:32 06:09 93 % 03:20 before dawn
Thu, 22-Aug 20:26 21:04 21:27 dawn 05:34 06:11 85 % 04:11 before dawn
Fri, 23-Aug 20:24 21:01 21:39 dawn 05:35 06:13 76 % 05:02 before dawn
Sat, 24-Aug 20:22 20:59 21:54 dawn 05:37 06:15 66 % 05:55
Sun, 25-Aug 20:19 20:56 22:13 dawn 05:39 06:16 55 % 06:50
Mon, 26-Aug 20:17 20:54 22:41 dawn 05:41 06:18 44 % 07:47
Tue, 27-Aug 20:15 20:51 23:22 dawn 05:43 06:20 33 % 08:45
Wed, 28-Aug 20:12 20:49 00:19 dawn 05:45 06:21 24 % 09:42
Thu, 29-Aug 20:10 20:47 01:30 dawn 05:47 06:23 15 %
Fri, 30-Aug 20:08 20:44 02:48 dawn 05:48 06:25 9 %
Sat, 31-Aug 20:06 20:42 04:07 dawn 05:50 06:26 4 %
Sun, 01-Sep 20:03 20:39 05:24 dawn 05:52 06:28 1 %
Mon, 02-Sep 20:01 20:37 05:54 06:30 0 %
Tue, 03-Sep 19:59 20:34 05:56 06:32 1 % 13:36
Wed, 04-Sep 19:56 20:32 05:58 06:33 3 % 14:15
Thu, 05-Sep 19:54 20:29 dusk 20:31 05:59 06:35 7 % 14:54
Fri, 06-Sep 19:51 20:27 dusk 20:39 06:01 06:37 13 % 15:33
Sat, 07-Sep 19:49 20:24 dusk 20:49 06:03 06:38 20 % 16:14
Sun, 08-Sep 19:47 20:22 dusk 21:02 06:05 06:40 28 % 16:57
Mon, 09-Sep 19:44 20:19 dusk 21:21 06:07 06:42 37 % 17:45
Tue, 10-Sep 19:42 20:17 dusk 21:49 06:08 06:43 47 % 18:36
Wed, 11-Sep 19:40 20:14 dusk 22:32 06:10 06:45 57 % 19:31
Thu, 12-Sep 19:37 20:12 dusk 23:33 06:12 06:47 68 % 20:28
Fri, 13-Sep 19:35 20:10 dusk 00:53 06:14 06:48 78 % 21:27 after dusk
Sat, 14-Sep 19:32 20:07 dusk 02:24 06:15 06:50 86 % 22:25 after dusk
Sun, 15-Sep 19:30 20:05 dusk 04:00 06:17 06:52 93 % 23:21 after dusk
Mon, 16-Sep 19:28 20:02 dusk 05:35 06:19 06:54 98 % 00:14 after dusk
Tue, 17-Sep 19:25 20:00 dusk dawn 06:21 06:55 100 % 01:06 all night
Wed, 18-Sep 19:23 19:57 dusk dawn 06:22 06:57 99 % 01:58 all night
Thu, 19-Sep 19:20 19:55 dusk dawn 06:24 06:59 95 % 02:50 all night
Fri, 20-Sep 19:18 19:52 19:58 dawn 06:26 07:00 88 % 03:44 before dawn
Sat, 21-Sep 19:15 19:50 20:16 dawn 06:28 07:02 79 % 04:40 before dawn
Sun, 22-Sep 19:13 19:47 20:41 dawn 06:29 07:04 69 % 05:39
Mon, 23-Sep 19:11 19:45 21:18 dawn 06:31 07:06 59 % 06:38
Tue, 24-Sep 19:08 19:43 22:11 dawn 06:33 07:07 48 % 07:37
Wed, 25-Sep 19:06 19:40 23:19 dawn 06:35 07:09 38 % 08:32
Thu, 26-Sep 19:03 19:38 00:36 dawn 06:36 07:11 28 % 09:23
Fri, 27-Sep 19:01 19:35 01:55 dawn 06:38 07:12 20 % 10:11
Sat, 28-Sep 18:59 19:33 03:13 dawn 06:40 07:14 13 %
Sun, 29-Sep 18:56 19:31 04:27 dawn 06:42 07:16 7 %
Mon, 30-Sep 18:54 19:28 05:40 dawn 06:43 07:18 3 %
Tue, 01-Oct 18:52 19:26 06:45 07:19 1 %
Wed, 02-Oct 18:49 19:23 06:47 07:21 0 %
Thu, 03-Oct 18:47 19:21 06:48 07:23 1 % 13:32
Fri, 04-Oct 18:44 19:19 06:50 07:25 4 % 14:13
Sat, 05-Oct 18:42 19:16 06:52 07:26 9 % 14:55
Sun, 06-Oct 18:40 19:14 dusk 19:27 06:54 07:28 15 % 15:41
Mon, 07-Oct 18:37 19:12 dusk 19:51 06:55 07:30 23 % 16:31
Tue, 08-Oct 18:35 19:10 dusk 20:27 06:57 07:32 32 % 17:23
Wed, 09-Oct 18:33 19:07 dusk 21:20 06:59 07:33 42 % 18:19
Thu, 10-Oct 18:30 19:05 dusk 22:31 07:01 07:35 52 % 19:16
Fri, 11-Oct 18:28 19:03 dusk 23:55 07:02 07:37 63 % 20:12
Sat, 12-Oct 18:26 19:01 dusk 01:26 07:04 07:39 73 % 21:07
Sun, 13-Oct 18:24 18:58 dusk 02:58 07:06 07:41 83 % 21:59 after dusk
Mon, 14-Oct 18:21 18:56 dusk 04:31 07:08 07:42 91 % 22:51 after dusk
Tue, 15-Oct 18:19 18:54 dusk 06:04 07:09 07:44 97 % 23:41 after dusk
Wed, 16-Oct 18:17 18:52 dusk dawn 07:11 07:46 100 % 00:33 all night
Thu, 17-Oct 18:15 18:50 dusk dawn 07:13 07:48 100 % 01:27 all night
Fri, 18-Oct 18:12 18:48 dusk dawn 07:15 07:50 97 % 02:23 all night
Sat, 19-Oct 18:10 18:45 dusk dawn 07:16 07:52 91 % 03:23 all night
Sun, 20-Oct 18:08 18:43 19:12 dawn 07:18 07:53 83 % 04:24 before dawn
Mon, 21-Oct 18:06 18:41 19:59 dawn 07:20 07:55 74 % 05:26
Tue, 22-Oct 18:04 18:39 21:04 dawn 07:22 07:57 64 % 06:24
Wed, 23-Oct 18:02 18:37 22:21 dawn 07:23 07:59 54 % 07:18
Thu, 24-Oct 18:00 18:35 23:41 dawn 07:25 08:01 44 % 08:08
Fri, 25-Oct 17:58 18:33 01:00 dawn 07:27 08:03 34 % 08:53

Notes

  • The moon's phase or fracillum (percentage of the moon illuminated) doesn't vary much with location.
  • A full moon is not just bigger, its much brighter. A half moon ('50%') give less than 5% of the illumination of a full moon. You can walk with a half moon if its high in the sky (after dusk for a growing moon, before dawn for a shrinking moon).
  • Sky glow (light reflected by air or clouds) from nearby cities, and especially snow on the ground also effect light levels.
  • Times will vary a few minutes, as (i) these figures are for the centre of the county the walk is in, (ii) if there are hills on the horizon, and (iii) if you are on a hill
  • Of course, you need a cloudless night as well!

Snowdonia weather (Accuweather)

Now would be a good time for a cup of tea.