Dorchester weather in December 2025

Expect 8°C daytime maximum temperatures in the shade with on average 2 hours of sunshine per day in Dorchester in December. Check more long-term weather averages for Dorchester in December before you book your next holiday to England in 2025/2026.

  • 8°C maximum daytime temperature in December in Dorchester8
    8°C max day temperature
  • 2 hours of sunshine per day
  • 18 days with some rainfall in December in Dorchester18
    18 days with some rainfall
  • 3°C minimum night-time temperature in December in Dorchester3
    3°C min night temperature
  • 8 hours of daylight per day in December in Dorchester8
    8 hours of daylight per day
  • No heat & humidity in December in Dorchester0
    No heat & humidity
  • 100 mm monthly rainfall in December in Dorchester100
    100 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Dorchester1
    1 (Low) UV index

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The December weather guide for England (Dorchester) 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 England

How warm is it in Dorchester in December?

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

How sunny is it in Dorchester in December?

There are normally 2 hours of bright sunshine each day in Dorchester in December - that's 21% of daylight hours.

Does it rain in Dorchester in December?

There are usually 18 days with some rain in Dorchester in December and the average monthly rainfall is 100mm.

Dorchester December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 07:50 16:08
Tuesday, 16th December 2025 08:06 16:05
Wednesday, 31st December 2025 08:12 16:14

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