Brecon weather in December 2025

Expect daytime maximum temperatures of 6°C in Brecon, Wales in December based on long-term weather averages. There is 1 hour of sunshine per day on average with 20 days with some rainfall and typically 212 mm of rainfall in the month.

  • 6°C maximum daytime temperature in December in Brecon6
    6°C max day temperature
  • 1 hour of sunshine per day
  • 20 days with some rainfall in December in Brecon20
    20 days with some rainfall
  • 1°C minimum night-time temperature in December in Brecon1
    1°C min night temperature
  • 8 hours of daylight per day in December in Brecon8
    8 hours of daylight per day
  • No heat & humidity in December in Brecon0
    No heat & humidity
  • 212 mm monthly rainfall in December in Brecon212
    212 mm of monthly rainfall
  • No UV (maximum) index in December in Brecon0
    No UV (Maximum) Index UV index

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The December 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 warm is it in Brecon in December?

Daytime temperatures usually reach 8°C in Brecon in December, falling to 3°C at night.

How sunny is it in Brecon in December?

There are normally 2 hours of bright sunshine each day in Brecon in December - that's 19% of daylight hours.

Is the sea cold around Brecon in December?

The average sea temperature around Brecon in December is 9°C.

Does it rain in Brecon in December?

There are usually 19 days with some rain in Brecon in December and the average monthly rainfall is 109mm.

Brecon December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 07:59 16:06
Tuesday, 16th December 2025 08:16 16:03
Wednesday, 31st December 2025 08:21 16:12

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