St Helier weather in January 2020

  • 8°C maximum daytime temperature in January in St Helier8
    8°C max day temperature
  • 2 hours of sunshine per day
  • 20 days with some rainfall in January in St Helier20
    20 days with some rainfall
  • 4°C minimum night-time temperature in January in St Helier4
    4°C min night temperature
  • 9 hours of daylight per day in January in St Helier9
    9 hours of daylight per day
  • No heat & humidity in January in St Helier0
    No heat & humidity
  • 102 mm monthly rainfall in January in St Helier102
    102 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in January in St Helier1
    1 (Low) UV index
  • 9°C sea temperature in January in St Helier9
    9°C sea temperature
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The January 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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Metric (°C / mm)  |  Imperial (°F / inches)

Guide to St Helier weather in January

The average maximum daytime temperature in St Helier in January is a cool 8°C (46°F). The average night-time temperature is usually a cold 4°C (39°F). There are usually 2 hours of bright sunshine each day, which represents 22% of the 9 hours of daylight.

Expect 102mm (4.0 inches) of rainfall across the whole of January with 20 days with some rain falling. Maximum UV levels will be low (1 UV index) at midday when the skies are clear.

The average sea temperature in and around St Helier in January is 9°C (48°F).

St Helier sunrise & sunset times for January 2020

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2020 08:03 16:20
Thursday, 16th January 2020 07:57 16:39
Friday, 31st January 2020 07:42 17:02
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