St Helier weather in August 2024

Expect 20°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in St Helier in August. Check more long-term weather averages for St Helier in August before you book your next holiday to Jersey in 2024/2025.

  • 20°C maximum daytime temperature in August in St Helier20
    20°C max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in August in St Helier11
    11 days with some rainfall
  • 14°C minimum night-time temperature in August in St Helier14
    14°C min night temperature
  • 14 hours of daylight per day in August in St Helier14
    14 hours of daylight per day
  • No heat & humidity in August in St Helier0
    No heat & humidity
  • 52 mm monthly rainfall in August in St Helier52
    52 mm of monthly rainfall
  • UV (maximum) index 6 (High) in August in St Helier6
    6 (High) UV index
  • 18°C sea temperature in August in St Helier18
    18°C sea temperature

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The August 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 hot is it in St Helier in August?

Daytime temperatures usually reach 20°C in St Helier in August, falling to 14°C at night.

How sunny is it in St Helier in August?

There are normally 8 hours of bright sunshine each day in St Helier in August - that's 52% of daylight hours.

How warm is the sea around St Helier in August?

The average sea temperature around St Helier in August is 18°C.

Does it rain in St Helier in August?

There are usually 11 days with some rain in St Helier in August and the average monthly rainfall is 52mm.

St Helier August sunrise & sunset times

Browse the sunrise and sunset times for St Helier in August 2024. Select a month to view St Helier sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st August 2024 05:41 20:47
Friday, 16th August 2024 06:02 20:22
Saturday, 31st August 2024 06:24 19:52

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