Guernsey weather in December 2021

  • 10°C maximum daytime temperature in December in Guernsey (St Peter Port)10
    10°C max day temperature
  • 2 hours of sunshine per day
  • 19 days with some rainfall in December in Guernsey (St Peter Port)19
    19 days with some rainfall
  • 6°C minimum night-time temperature in December in Guernsey (St Peter Port)6
    6°C min night temperature
  • 8 hours of daylight per day in December in Guernsey (St Peter Port)8
    8 hours of daylight per day
  • No heat & humidity in December in Guernsey (St Peter Port)0
    No heat & humidity
  • 100 mm monthly rainfall in December in Guernsey (St Peter Port)100
    100 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Guernsey (St Peter Port)1
    1 (Low) UV index
  • 12°C sea temperature in December in Guernsey (St Peter Port)12
    12°C sea temperature

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The December weather guide for Guernsey 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.

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How warm is it in Guernsey in December?

Daytime temperatures usually reach 10°C in St Peter Port, Guernsey in December, falling to 6°C at night.

How sunny is it in Guernsey in December?

There are normally 2 hours of bright sunshine each day in St Peter Port, Guernsey in December - that's 21% of daylight hours.

How warm is the sea around Guernsey in December?

The average sea temperature around St Peter Port, Guernsey in December is 12°C.

Does it rain in Guernsey in December?

There are usually 19 days with some rain in St Peter Port, Guernsey in December and the average monthly rainfall is 100mm.

Metric (°C / mm)  |  Imperial (°F / inches)

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Guernsey sunrise & sunset times for December 2021

Browse the sunrise & sunset times for Guernsey in December 2021. Select a month to view Guernsey sunrise & sunset times for the next twelve months. The Guernsey sunrise & sunset times shown below are for St Peter Port.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st December 2021 07:45 16:13
Thursday, 16th December 2021 08:00 16:11
Friday, 31st December 2021 08:06 16:20
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