Guernsey weather in June 2025

Expect 17°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Guernsey in June. Check more long-term weather averages for Guernsey in June before you book your next holiday to Guernsey in 2025/2026.

  • 17°C maximum daytime temperature in June in Guernsey (St Peter Port)17
    17°C max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in June in Guernsey (St Peter Port)11
    11 days with some rainfall
  • 11°C minimum night-time temperature in June in Guernsey (St Peter Port)11
    11°C min night temperature
  • 16 hours of daylight per day in June in Guernsey (St Peter Port)16
    16 hours of daylight per day
  • No heat & humidity in June in Guernsey (St Peter Port)0
    No heat & humidity
  • 44 mm monthly rainfall in June in Guernsey (St Peter Port)44
    44 mm of monthly rainfall
  • UV (maximum) index 7 (High) in June in Guernsey (St Peter Port)7
    7 (High) UV index
  • 13°C sea temperature in June in Guernsey (St Peter Port)13
    13°C sea temperature

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The June weather guide for Guernsey, represented by St Peter Port, (St Peter Port) 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 Guernsey in June?

Daytime temperatures usually reach 17°C in St Peter Port, Guernsey in June, falling to 11°C at night.

How sunny is it in Guernsey in June?

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

How warm is the sea around Guernsey in June?

The average sea temperature around St Peter Port, Guernsey in June is 13°C.

Does it rain in Guernsey in June?

There are usually 11 days with some rain in St Peter Port, Guernsey in June and the average monthly rainfall is 44mm.

Guernsey June sunrise & sunset times

Browse the sunrise and sunset times for Guernsey in June 2025. Select a month to view Guernsey sunrise and sunset times for the next 12 months. The Guernsey sunrise and sunset times shown below are for St Peter Port.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st June 2025 04:08 20:08
Sunday, 15th June 2025 04:03 20:18
Monday, 30th June 2025 04:07 20:20

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