Machynlleth weather in December 2025

Expect daytime maximum temperatures of 45°F in Machynlleth, Wales in December based on long-term weather averages. There is 1 hour of sunshine per day on average with 21 days with some rainfall and typically 7.8 inches of rainfall in the month.

  • 45°F maximum daytime temperature in December in Machynlleth45
    45°F max day temperature
  • 1 hour of sunshine per day
  • 21 days with some rainfall in December in Machynlleth21
    21 days with some rainfall
  • 36°F minimum night-time temperature in December in Machynlleth36
    36°F min night temperature
  • 8 hours of daylight per day in December in Machynlleth8
    8 hours of daylight per day
  • No heat & humidity in December in Machynlleth0
    No heat & humidity
  • 7.8 inches monthly rainfall in December in Machynlleth7.8
    7.8 inches of monthly rainfall
  • No UV (maximum) index in December in Machynlleth0
    No UV (Maximum) Index UV index

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The December weather guide for Wales (Machynlleth) 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)  |  Imperial (°F)

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More about Wales

How cold is it in Machynlleth in December?

Daytime temperatures usually reach 45°F in Machynlleth in December, falling to 36°F at night.

How sunny is it in Machynlleth in December?

There are normally 1 hour of bright sunshine each day in Machynlleth in December - that's 14% of daylight hours.

Does it rain in Machynlleth in December?

There are usually 21 days with some rain in Machynlleth in December and the average monthly rainfall is 7.8 inches.

Machynlleth December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 08:04 16:05
Tuesday, 16th December 2025 08:21 16:01
Wednesday, 31st December 2025 08:27 16:11

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