Sugar Loaf Circular from Abergavenny walk

Ascent of the iconic Sugar Loaf along quiet paths: lush pastures, ancient oak woods, grassy ridges, heather and gorse. Tea at a vineyard.

Hiking weather forecast

Brecon Beacons hourly weather (Visual Crossing)

Sunset: 20:44. Dusk: 21:24. Moon: 14% (04:34 to dawn)

Updated: 14:31 on Sat, 04-May

06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21
Today 0% 16% 16% 16% 16% 16% 0% 0%
Sun, 05-May 3% 3% 16% 16% 16% 16% 16% 16% 68% 68% 68% 68% 68% 68% 39% 39%
Mon, 06-May 45% 45% 74% 74% 74% 74% 74% 74% 87% 87% 87% 87% 87% 87% 23% 23%
Tue, 07-May 0% 0% 7% 7% 7% 7% 7% 7% 42% 42% 42% 42% 42% 42% 0% 0%
Wed, 08-May 0% 0% 0% 0% 0% 0% 0% 0% 13% 13% 13% 13% 13% 13% 0% 0%
Thu, 09-May 0% 0% 3% 3% 3% 3% 3% 3% 10% 10% 10% 10% 10% 10% 0% 0%
Fri, 10-May 0% 0% 3% 3% 3% 3% 3% 3% 19% 19% 19% 19% 19% 19% 0% 0%
Sat, 11-May 0% 0% 3% 3% 3% 3% 3% 3% 19% 19% 19% 19% 19% 19% 0% 0%
Sun, 12-May 0% 0% 0% 0% 0% 0% 0% 0% 16% 16% 16% 16% 16% 16% 7% 7%
Mon, 13-May 10% 10% 16% 16% 16% 16% 16% 16% 45% 45% 45% 45% 45% 45% 16% 16%
Tue, 14-May 16% 16% 29% 29% 29% 29% 29% 29% 42% 42% 42% 42% 42% 42% 10% 10%
Wed, 15-May 16% 16% 26% 26% 26% 26% 26% 26% 39% 39% 39% 39% 39% 39% 7% 7%
Thu, 16-May 13% 13% 29% 29% 29% 29% 29% 29% 39% 39% 39% 39% 39% 39% 19% 19%
Fri, 17-May 16% 16% 26% 26% 26% 26% 26% 26% 45% 45% 45% 45% 45% 45% 16% 16%
Sat, 18-May 10% 10% 36% 36% 36% 36% 36% 36% 61% 61% 61% 61% 61% 61% 23% 23%

Powered by Visual Crossing Weather

Brecon Beacons hourly weather (Open Meteo)

Sunset: 20:44. Dusk: 21:24. Moon: 14% (04:34 to dawn)

Updated: 14:32 on Sat, 04-May

06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21
Today 6% 12% 17% 23% 20% 16% 13% 9%
Sun, 05-May 3% 3% 3% 5% 8% 10% 17% 25% 32% 41% 49% 58% 55% 51% 48% 42%
Mon, 06-May 17% 18% 19% 21% 24% 26% 42% 58% 74% 81% 87% 94% 86% 79% 71% 58%
Tue, 07-May 1% 2% 3% 3% 3% 3% 8% 14% 19% 24% 30% 35% 28% 20% 13% 9%
Wed, 08-May 0% 0% 0% 0% 0% 0% 1% 2% 3% 12% 20% 29% 31% 33% 35% 28%
Thu, 09-May 0% 0% 0% 0% 0% 0% 3% 7% 10% 15% 21% 26% 22% 17% 13% 10%
Fri, 10-May 0% 0% 0% 0% 0% 0% 6% 13% 19% 26% 32% 39% 37% 34% 32% 27%
Sat, 11-May 4% 2% 0% 2% 4% 6% 13% 19% 26% 38% 49% 61% 58% 55% 52% 41%
Sun, 12-May

Weather data by Open-Meteo.com

Brecon Beacons hourly weather (Met Office)

Sunset: 20:44. Dusk: 21:24. Moon: 14% (04:34 to dawn)

Updated: 13:00 on Sat, 04-May

06 09 12 15 18 21
Today 5% 4% 4% 0%
Sun, 05-May 1% 1% 12% 74% 13% 10%
Mon, 06-May 🌫 16% 9% 11% 57% 33% 2%
Tue, 07-May 6% 8% 8% 6% 5% 1%
Wed, 08-May 🌫 13% 4% 4% 4% 4% 5%
Thu, 09-May 🌫 14% 5% 6% 6% 5% 5%
Fri, 10-May 6% 6% 5% 5% 5% 5%
Sat, 11-May 6% 6% 5%

Powered by Met Office data.

Brecon Beacons weather (Met Office)

Updated: 01:02 on Sat, 04-May

Cloudy, sometimes damp, in the north. Brighter in the south.

Today:

  • The north and parts of the west will hold onto rather cloudy skies with patchy rain, though largely dry by the afternoon.
  • Further south and east remaining dry, with some bright and sunny spells developing.
  • Feeling warm in any sunshine.
  • Maximum Temperature 16C.

Tonight:

  • Cloud clearing leaving plenty of clear skies overnight so it will be feeling chillier than of late, with the odd patch of mist and fog possible towards dawn.
  • Minimum Temperature 5C.

Sunday:

  • A bright start with any mist and fog clearing quickly.
  • A pleasant day on offer with plenty of warm sunshine.
  • Cloudier in the south later with a risk of showers.
  • Maximum Temperature 16C.

Monday to Wednesday:

  • Bright spells, but with a risk of some showers on Monday and Tuesday.
  • Dry on Wednesday as high pressure builds, though some cloud at times.
  • Feeling warm in sunny interludes.

UK Day 6-7 and week 2

  • There is a strong signal for high pressure across the UK at the start of this period, bringing a good deal of fine and dry weather for most areas, though with patchy mist and fog in places each morning.
  • Northwestern parts of the UK are likely to be the exception to this, with more in the way of cloud and rain at times here.
  • The high is likely to maintain its influence into the weekend before starting to weaken during the following week.
  • So a continuation of fine weather through the weekend seems likely for most, before a return of less settled conditions during the following week.
  • Temperatures are expected to be slightly above normal for early May, with some very warm days possible.

UK Week 3 and 4

  • During the longer range outlook period, there is a greater chance of unsettled weather returning, especially across the south.
  • This means that spells of wet weather are likely for most with no particular location more prone than anywhere else.
  • There are no strong signs for any exceptional temperatures either above or below average, but warm days are possible as are some chilly nights.

Powered by Met Office data.

Brecon Beacons mountain weather forecast (Met Office)

Sunset: 20:44. Dusk: 21:24. Moon: 14% (04:34 to dawn)

Updated: 04:34 on Sat, 04-May

Today
Sat, 04-May

A warm, dry day with sunny spells developing in the afternoon.

Chilly start with some patches of low cloud, mainly across eastern areas. Any mist and fog dissipating quickly as the sun rises leaving a fine day with plenty of bright and dry weather and some warm sunshine this afternoon alongside light winds. A very low risk of the odd shower in the afternoon. Dry and becoming clear this evening.

Chance of Cloud free tops 80% becoming 100%.
Visibility Occasional low cloud and hill possible across eastern areas to start above 400m, this quickly lifting and breaking this morning. Then cloud remains above hill tops through the day. Early valley mist and fog patches, and any hill fog, bringing locally poor or very poor visibility, will dissipate quickly this morning. Then very good to excellent visibility across scenic outlooks.
Confidence High confidence for Saturday but level of confidence lowers for Sunday and Monday with regards to spatial and temporal details of showers and longer spells of rain.
View Pathways may still be damp as a result of wet weather in the week. Otherwise plenty of fine weather with good visibilities will allow for excellent scenic views. Warmer than of late this afternoon with moderate UV levels, therefore appropriate hiking gear and equipment is advised such as water, sun cream and sunglasses etc.
Low risk Poor Visibility
Medium risk Strong Sunlight

Conditions on the tops

Time Weather Rain Temp Wind Freezing
06:00 Sunny 00% 5 13 1300m
09:00 Sunny <05% 6 13 1300m
12:00 Sunny intervals <05% 9 11 1400m
15:00 Sunny intervals <05% 11 9 1500m
18:00 Sunny intervals <05% 10 6 1600m
21:00 Clear night 00% 8 4 1600m
Sun, 05-May

Largely dry though becoming cloudy through the morning, then there is an increasing chance of showers arriving from the south through the afternoon. These may merge into longer spells of rain late afternoon and early evening. Late evening the rain may ease. Overall confidence in rainfall detail through the day is moderate.

Ice Above summits.
Visibility Patchy mist and fog around dawn, otherwise very good to excellent visibility. Dropping to moderate in showers or longer spells of rain.
Wind Southeasterly 10 mph gusting 15 mph.
Temp Plus 7 Celsius, rising to plus 11 Celsius. (at high level)
Mon, 06-May

Generally dry and cloudy, although there is a chance of showers. Light northerly winds. Freezing levels above summits.

Tue, 07-May

Confidence improving from Tuesday as high pressure builds. Generally a dry day though likely cloudy with some sunshine breaking through at times. A low risk of an odd light shower. Feeling fairly warm once in sunnier spells and winds staying light.

Wed, 08-May

Dry with variable cloud and sunny spells and light winds.

Powered by Met Office data.

Brecon Beacons daylight

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

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).

Brecon Beacons moonlight

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

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!

Brecon Beacons weather (Accuweather)

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