Best time to go

Brecon Beacons (National Park) in May 2027: weather, temperatures and activities

Do you want to visit Brecon Beacons (National Park) in May 2027? Discover the usual weather at this time of year, average temperatures, the risk of rain, possible activities, and our opinion on whether May is a good month to travel to Brecon Beacons (National Park), Wales.

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Is it worth visiting Brecon Beacons (National Park) in May?

Check your ideal travel criteria and see if the month of May suits your plans to go to Brecon Beacons (National Park).
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Brecon Beacons (National Park) in May 2027: weather, temperatures and activities

Page summary

Brecon Beacons (National Park) in May in summary
Fair weather
Min 8°C Max 14°C 107 mm 7 day(s) 92% 58% 12.1 h/day 1.1 cm
Best activities in May
Hiking and trekkingNature and landscapes
Practical guidelines
High crowding 04:19 20:01
Hourly weather

Average weather in Brecon Beacons (National Park) in May 2027

Fair weather

The weather in Brecon Beacons (National Park) in May 2027 is based on statistical data from previous years in May. This allows you to forecast the weather in May 2027. Check the hourly statistics (6:00, 9:00, 12:00, 15:00, 18:00, 21:00, 0:00 and 3:00), with the associated average temperature, for the whole month, and also, by navigating the tabs, for the beginning, middle and end of the month.

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Climate

Climate of Brecon Beacons (National Park) in May

Temperatures, precipitation, snow and monthly trends help better understand the climate in Brecon Beacons (National Park) in May.

Temperatures and rain in Brecon Beacons (National Park) in May

Average daily weather

Temperatures, rain and snow day by day in May, with a separate scale for snow.
Minimal Average Maximums Average rainfall Daily snow

Monthly temperatures

The month of May is highlighted to compare it quickly with the rest of the year.
Minimal Average Maximums

Monthly precipitation

The bar for the month under study is highlighted.
Average rainfall

About the climate in Brecon Beacons (National Park) in May

Seasonal normals

Seasonal normals of Brecon Beacons (National Park) in May

Check the seasonal normals in Brecon Beacons (National Park) in May and compare the weather with the previous month and the following month (or the months of your choice by selecting months in the form below): temperatures, wind, rain, humidity, climate rating...

Last updated: 12/01/2026
Reference period for normals: January 2009 - December 2025
Month analyzed
May
Weather data April May June
Outside temperature
Average temperature 7.8°C 10.6°C 13.7°C
Maximum temperature 11.2°C 13.5°C 16.4°C
Minimum temperature 4.4°C 7.8°C 11.0°C
Record maximum temperature 20.0°C
(2011)
23.0°C
(2010)
26.0°C
(2017)
Record low temperature -5.0°C
(2013)
-1.0°C
(2021)
5.0°C
(2012)
Number of days at +30° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Number of days at +18° 2 day(s)
(7%)
5 day(s)
(16%)
10 day(s)
(33%)
Number of days below 0° 3 day(s)
(10%)
0 day(s)
(0%)
0 day(s)
(0%)
Wind
Wind speed 20 km/h 20 km/h 18 km/h
Wind temperature 1.7°C 5.7°C 9.6°C
Precipitation (rain)
Precipitation 77.0 mm 106.9 mm 120.3 mm
Number of days with precipitation 17 day(s)
(57%)
18 day(s)
(58%)
19 day(s)
(63%)
Number of days with significant precipitation (greater than 5 mm) 5 day(s)
(16%)
7 day(s)
(22%)
7 day(s)
(24%)
Record precipitation in one day 30.8 mm
(2019)
41.4 mm
(2021)
57.1 mm
(2011)
Other weather data
Humidity 93% 92% 93%
Visibility 8.3 km 8.3 km 8.0 km
Cloud cover 57% 58% 61%
UV index 3 3 4
Daily sunshine 11h 12h 12h
Sunrise and sunset
Sunrise time 05h17 04h19 03h53
Sunset time 19h12 20h01 20h35
Day length 13h55 15h42 16h42
Our opinion on the climate in May
The review of Where And When very bad weather fair weather fair weather
Activities and events

What to do in Brecon Beacons (National Park) in May?

Best activities in May
Hiking and trekkingNature and landscapes
Observed weather

What was the weather like in Brecon Beacons (National Park) in May last?

Find the observed weather calendar in Brecon Beacons (National Park) in May 2025, with each day’s weather, temperatures and precipitation.

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Cloudy
10°C21°C0.0 mm
2
Partly Cloudy
9°C16°C0.0 mm
3
Clear/Sunny
8°C16°C0.0 mm
4
Cloudy
5°C10°C0.0 mm
5
Overcast
1°C10°C0.1 mm
6
Partly Cloudy
2°C12°C0.0 mm
7
Overcast
5°C14°C0.0 mm
8
Cloudy
5°C12°C0.0 mm
9
Cloudy
3°C14°C0.0 mm
10
Cloudy
5°C15°C0.0 mm
11
Overcast
7°C17°C0.6 mm
12
Patchy rain nearby
11°C16°C0.3 mm
13
Cloudy
10°C17°C0.1 mm
14
Clear/Sunny
7°C17°C0.0 mm
15
Cloudy
7°C16°C0.0 mm
16
Clear/Sunny
6°C17°C0.0 mm
17
Clear/Sunny
7°C15°C0.0 mm
18
Clear/Sunny
7°C18°C0.0 mm
19
Overcast
7°C14°C0.0 mm
20
Overcast
7°C16°C0.1 mm
21
Cloudy
9°C15°C0.4 mm
22
Clear/Sunny
8°C16°C0.0 mm
23
Cloudy
7°C15°C0.2 mm
24
Patchy rain nearby
12°C16°C1.8 mm
25
Patchy rain nearby
9°C13°C0.6 mm
26
Light drizzle
8°C12°C2.5 mm
27
Moderate rain
9°C13°C7.0 mm
28
Patchy rain nearby
10°C14°C0.2 mm
29
Patchy rain nearby
13°C16°C0.2 mm
30
Patchy rain nearby
13°C17°C0.2 mm
31
Patchy rain nearby
13°C17°C0.2 mm
Nearby

Where to go near Brecon Beacons (National Park) in May?

Compare cities and destinations near Brecon Beacons (National Park) in May to find another travel stop, a nearby alternative or a logical continuation of your stay in Brecon Beacons (National Park).

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Every month

Best time to visit Brecon Beacons (National Park) month by month

Compare the weather in Brecon Beacons (National Park) across all months of the year and open each detailed page to find the best time.

Frequently asked questions

Travel to to Brecon Beacons (National Park) in May: your frequently asked questions

Short answers to the questions we ask ourselves before booking for this month.

It's an average period, nothing special. Conditions are mediocre in Brecon Beacons (National Park) in May, which ranks this month 1st out of 12. The choice of region will make a real difference.

Expect an average of 14°C during the day and 8°C at night, with about 107 mm of precipitation spread over 7 rainy days.

Expect about 12.1 hours of sunshine per day on average for this month.

This month is particularly suited to these activities: Hiking and trekking and Nature and landscapes. These are the ones for which the conditions on site are most favourable.

Yes: this month is in High crowding, with a visitor index of 71/100. Book your accommodation and transportation well in advance.
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