St Helier weather in March 2025

Expect 10°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in St Helier in March. Check more long-term weather averages for St Helier in March before you book your next holiday to Jersey in 2025/2026.

  • 10°C maximum daytime temperature in March in St Helier10
    10°C max day temperature
  • 4 hours of sunshine per day
  • 16 days with some rainfall in March in St Helier16
    16 days with some rainfall
  • 5°C minimum night-time temperature in March in St Helier5
    5°C min night temperature
  • 12 hours of daylight per day in March in St Helier12
    12 hours of daylight per day
  • No heat & humidity in March in St Helier0
    No heat & humidity
  • 76 mm monthly rainfall in March in St Helier76
    76 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in March in St Helier3
    3 (Moderate) UV index
  • 8°C sea temperature in March in St Helier8
    8°C sea temperature

More about St Helier

St Helier by month

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The March weather guide for Jersey, represented by St Helier, (St Helier) 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 / mm)  |  Imperial (°F / inches)

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How warm is it in St Helier in March?

Daytime temperatures usually reach 10°C in St Helier in March, falling to 5°C at night.

How sunny is it in St Helier in March?

There are normally 4 hours of bright sunshine each day in St Helier in March - that's 37% of daylight hours.

Is the sea cold around St Helier in March?

The average sea temperature around St Helier in March is 8°C.

Does it rain in St Helier in March?

There are usually 16 days with some rain in St Helier in March and the average monthly rainfall is 76mm.

St Helier March sunrise & sunset times

Browse the sunrise and sunset times for St Helier in March 2025. Select a month to view St Helier sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st March 2025 06:50 17:52
Sunday, 16th March 2025 06:19 18:15
Monday, 31st March 2025 05:48 18:38

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