Brecon weather in August 2025

Expect 18°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Brecon in August. Check more long-term weather averages for Brecon in August before you book your next holiday to Wales in 2025/2026.

  • 18°C maximum daytime temperature in August in Brecon18
    18°C max day temperature
  • 5 hours of sunshine per day
  • 16 days with some rainfall in August in Brecon16
    16 days with some rainfall
  • 10°C minimum night-time temperature in August in Brecon10
    10°C min night temperature
  • 15 hours of daylight per day in August in Brecon15
    15 hours of daylight per day
  • No heat & humidity in August in Brecon0
    No heat & humidity
  • 121 mm monthly rainfall in August in Brecon121
    121 mm of monthly rainfall
  • UV (maximum) index 6 (High) in August in Brecon6
    6 (High) UV index

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The August weather guide for Wales (Brecon) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Wales

How hot is it in Brecon in August?

Daytime temperatures usually reach 18°C in Brecon in August, falling to 10°C at night.

How sunny is it in Brecon in August?

There are normally 5 hours of bright sunshine each day in Brecon in August - that's 34% of daylight hours.

Does it rain in Brecon in August?

There are usually 16 days with some rain in Brecon in August and the average monthly rainfall is 121mm.

Brecon August sunrise & sunset times

Browse the sunrise and sunset times for Brecon in August 2025. Select a month to view Brecon sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:36 20:03
Saturday, 16th August 2025 05:00 19:35
Sunday, 31st August 2025 05:24 19:02

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