Jersey weather in June 2025

Expect 18°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Jersey in June. Check more long-term weather averages for Jersey in June before you book your next holiday to Jersey in 2025/2026.

  • 18°C maximum daytime temperature in June in Jersey (St Helier)18
    18°C max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in June in Jersey (St Helier)11
    11 days with some rainfall
  • 12°C minimum night-time temperature in June in Jersey (St Helier)12
    12°C min night temperature
  • 16 hours of daylight per day in June in Jersey (St Helier)16
    16 hours of daylight per day
  • No heat & humidity in June in Jersey (St Helier)0
    No heat & humidity
  • 48 mm monthly rainfall in June in Jersey (St Helier)48
    48 mm of monthly rainfall
  • UV (maximum) index 7 (High) in June in Jersey (St Helier)7
    7 (High) UV index
  • 14°C sea temperature in June in Jersey (St Helier)14
    14°C sea temperature

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The June 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 Jersey in June?

Daytime temperatures usually reach 18°C in St Helier, Jersey in June, falling to 12°C at night.

How sunny is it in Jersey in June?

There are normally 8 hours of bright sunshine each day in St Helier, Jersey in June - that's 50% of daylight hours.

How warm is the sea around Jersey in June?

The average sea temperature around St Helier, Jersey in June is 14°C.

Does it rain in Jersey in June?

There are usually 11 days with some rain in St Helier, Jersey in June and the average monthly rainfall is 48mm.

Jersey June sunrise & sunset times

Browse the sunrise and sunset times for Jersey in June 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
Sunday, 1st June 2025 04:08 20:05
Sunday, 15th June 2025 04:03 20:15
Monday, 30th June 2025 04:07 20:17

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