Grimsby weather in December 2025

Expect daytime maximum temperatures of 45°F in Grimsby, England in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 18 days with some rainfall and typically 2.4 inches of rainfall in the month.

  • 45°F maximum daytime temperature in December in Grimsby45
    45°F max day temperature
  • 2 hours of sunshine per day
  • 18 days with some rainfall in December in Grimsby18
    18 days with some rainfall
  • 36°F minimum night-time temperature in December in Grimsby36
    36°F min night temperature
  • 8 hours of daylight per day in December in Grimsby8
    8 hours of daylight per day
  • No heat & humidity in December in Grimsby0
    No heat & humidity
  • 2.4 inches monthly rainfall in December in Grimsby2.4
    2.4 inches of monthly rainfall
  • No UV (maximum) index in December in Grimsby0
    No UV (Maximum) Index UV index
  • 46°F sea temperature in December in Grimsby46
    46°F sea temperature

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The December weather guide for England (Grimsby) 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 England

How cold is it in Grimsby in December?

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

How sunny is it in Grimsby in December?

There are normally 2 hours of bright sunshine each day in Grimsby in December - that's 20% of daylight hours.

How warm is the sea around Grimsby in December?

The average sea temperature around Grimsby in December is 46°F.

Does it rain in Grimsby in December?

There are usually 18 days with some rain in Grimsby in December and the average monthly rainfall is 2.4 inches.

Grimsby December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 07:54 15:45
Tuesday, 16th December 2025 08:11 15:41
Wednesday, 31st December 2025 08:17 15:50

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