Jersey weather in October 2025

Expect 16°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Jersey in October. Check more long-term weather averages for Jersey in October before you book your next holiday to Jersey in 2025/2026.

  • 16°C maximum daytime temperature in October in Jersey (St Helier)16
    16°C max day temperature
  • 4 hours of sunshine per day
  • 15 days with some rainfall in October in Jersey (St Helier)15
    15 days with some rainfall
  • 11°C minimum night-time temperature in October in Jersey (St Helier)11
    11°C min night temperature
  • 11 hours of daylight per day in October in Jersey (St Helier)11
    11 hours of daylight per day
  • No heat & humidity in October in Jersey (St Helier)0
    No heat & humidity
  • 91 mm monthly rainfall in October in Jersey (St Helier)91
    91 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in October in Jersey (St Helier)2
    2 (Low) UV index
  • 16°C sea temperature in October in Jersey (St Helier)16
    16°C sea temperature

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The October 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 Jersey in October?

Daytime temperatures usually reach 16°C in St Helier, Jersey in October, falling to 11°C at night.

How sunny is it in Jersey in October?

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

How warm is the sea around Jersey in October?

The average sea temperature around St Helier, Jersey in October is 16°C.

Does it rain in Jersey in October?

There are usually 15 days with some rain in St Helier, Jersey in October and the average monthly rainfall is 91mm.

Jersey October sunrise & sunset times

Browse the sunrise and sunset times for Jersey in October 2025. Select a month to view Jersey sunrise and sunset times for the next 12 months. The Jersey sunrise and sunset times shown below are for St Helier.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:08 17:47
Thursday, 16th October 2025 06:31 17:16
Friday, 31st October 2025 06:55 16:49

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