St Helier weather in December 2020

  • 9°C maximum daytime temperature in December in St Helier9
    9°C max day temperature
  • 2 hours of sunshine per day
  • 19 days with some rainfall in December in St Helier19
    19 days with some rainfall
  • 5°C minimum night-time temperature in December in St Helier5
    5°C min night temperature
  • 8 hours of daylight per day in December in St Helier8
    8 hours of daylight per day
  • No heat & humidity in December in St Helier0
    No heat & humidity
  • 112 mm monthly rainfall in December in St Helier112
    112 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in December in St Helier1
    1 (Low) UV index
  • 11°C sea temperature in December in St Helier11
    11°C sea temperature
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The December weather guide for St Helier, Jersey 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 St Helier in December?

Daytime temperatures usually reach 9°C in St Helier in December, falling to 5°C at night.

How sunny is it in St Helier in December?

There are normally 2 hours of bright sunshine each day in St Helier in December - that's 23% of daylight hours.

Is the sea cold around St Helier in December?

The average sea temperature around St Helier in December is 11°C.

Does it rain in St Helier in December?

There are usually 19 days with some rain in St Helier in December and the average monthly rainfall is 112mm.

St Helier sunrise & sunset times for December 2020

Browse the sunrise & sunset times for St Helier in December 2020. Select a month to view St Helier sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st December 2020 07:42 16:13
Wednesday, 16th December 2020 07:58 16:11
Thursday, 31st December 2020 08:03 16:20
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Metric (°C / mm)  |  Imperial (°F / inches)

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