Portsmouth weather in June 2025

Expect 66°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Portsmouth in June. Check more long-term weather averages for Portsmouth in June before you book your next holiday to England in 2025/2026.

  • 66°F maximum daytime temperature in June in Portsmouth66
    66°F max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in June in Portsmouth10
    10 days with some rainfall
  • 54°F minimum night-time temperature in June in Portsmouth54
    54°F min night temperature
  • 16 hours of daylight per day in June in Portsmouth16
    16 hours of daylight per day
  • No heat & humidity in June in Portsmouth0
    No heat & humidity
  • 1.7 inches monthly rainfall in June in Portsmouth1.7
    1.7 inches of monthly rainfall
  • UV (maximum) index 6 (High) in June in Portsmouth6
    6 (High) UV index
  • 57°F sea temperature in June in Portsmouth57
    57°F sea temperature

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The June weather guide for England (Portsmouth) 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)  |  Imperial (°F)

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More about England

How hot is it in Portsmouth in June?

Daytime temperatures usually reach 66°F in Portsmouth in June, falling to 54°F at night.

How sunny is it in Portsmouth in June?

There are normally 8 hours of bright sunshine each day in Portsmouth in June - that's 46% of daylight hours.

How warm is the sea around Portsmouth in June?

The average sea temperature around Portsmouth in June is 57°F.

Does it rain in Portsmouth in June?

There are usually 10 days with some rain in Portsmouth in June and the average monthly rainfall is 1.7 inches.

Portsmouth June sunrise & sunset times

Browse the sunrise and sunset times for Portsmouth in June 2025. Select a month to view Portsmouth sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st June 2025 03:56 20:09
Sunday, 15th June 2025 03:50 20:20
Monday, 30th June 2025 03:55 20:21

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