Plymouth weather in December 2025

Expect daytime maximum temperatures of 48°F in Plymouth, England in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 20 days with some rainfall and typically 6.1 inches of rainfall in the month.

  • 48°F maximum daytime temperature in December in Plymouth48
    48°F max day temperature
  • 2 hours of sunshine per day
  • 20 days with some rainfall in December in Plymouth20
    20 days with some rainfall
  • 39°F minimum night-time temperature in December in Plymouth39
    39°F min night temperature
  • 8 hours of daylight per day in December in Plymouth8
    8 hours of daylight per day
  • No heat & humidity in December in Plymouth0
    No heat & humidity
  • 6.1 inches monthly rainfall in December in Plymouth6.1
    6.1 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Plymouth1
    1 (Low) UV index
  • 52°F sea temperature in December in Plymouth52
    52°F sea temperature

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The December weather guide for England (Plymouth) 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 Plymouth in December?

Daytime temperatures usually reach 48°F in Plymouth in December, falling to 39°F at night.

How sunny is it in Plymouth in December?

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

How warm is the sea around Plymouth in December?

The average sea temperature around Plymouth in December is 52°F.

Does it rain in Plymouth in December?

There are usually 20 days with some rain in Plymouth in December and the average monthly rainfall is 6.1 inches.

Plymouth December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 07:55 16:16
Tuesday, 16th December 2025 08:11 16:13
Wednesday, 31st December 2025 08:17 16:23

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