Windsor weather in December 2025

Expect daytime maximum temperatures of 46°F in Windsor, England in December based on long-term weather averages. There is 1 hour of sunshine per day on average with 16 days with some rainfall and typically 2.5 inches of rainfall in the month.

  • 46°F maximum daytime temperature in December in Windsor46
    46°F max day temperature
  • 1 hour of sunshine per day
  • 16 days with some rainfall in December in Windsor16
    16 days with some rainfall
  • 36°F minimum night-time temperature in December in Windsor36
    36°F min night temperature
  • 8 hours of daylight per day in December in Windsor8
    8 hours of daylight per day
  • No heat & humidity in December in Windsor0
    No heat & humidity
  • 2.5 inches monthly rainfall in December in Windsor2.5
    2.5 inches of monthly rainfall
  • No UV (maximum) index in December in Windsor0
    No UV (Maximum) Index UV index

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The December weather guide for England (Windsor) 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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How warm is it in Windsor in December?

Daytime temperatures usually reach 46°F in Windsor in December, falling to 36°F at night.

How sunny is it in Windsor in December?

There are normally 1 hour of bright sunshine each day in Windsor in December - that's 18% of daylight hours.

Does it rain in Windsor in December?

There are usually 16 days with some rain in Windsor in December and the average monthly rainfall is 2.5 inches.

Windsor December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 07:46 15:57
Tuesday, 16th December 2025 08:02 15:54
Wednesday, 31st December 2025 08:08 16:03

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