Helsinki weather in June 2025

Expect 19°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Helsinki in June based on long-term weather averages. There is usually 11 days with some rainfall and 42 mm of average monthly rainfall in June.

  • 19°C maximum daytime temperature in June in Helsinki19
    19°C max day temperature
  • 9 hours of sunshine per day
  • 11 days with some rainfall in June in Helsinki11
    11 days with some rainfall
  • 10°C minimum night-time temperature in June in Helsinki10
    10°C min night temperature
  • 19 hours of daylight per day in June in Helsinki19
    19 hours of daylight per day
  • No heat & humidity in June in Helsinki0
    No heat & humidity
  • 42 mm monthly rainfall in June in Helsinki42
    42 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in June in Helsinki5
    5 (Moderate) UV index
  • 10°C sea temperature in June in Helsinki10
    10°C sea temperature

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The June weather guide for Finland (Helsinki) 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 Helsinki in June?

Daytime temperatures usually reach 19°C in Helsinki in June, falling to 10°C at night.

How sunny is it in Helsinki in June?

There are normally 9 hours of bright sunshine each day in Helsinki in June - that's 50% of daylight hours.

Is the sea cold around Helsinki in June?

The average sea temperature around Helsinki in June is 10°C.

Does it rain in Helsinki in June?

There are usually 11 days with some rain in Helsinki in June and the average monthly rainfall is 42mm.

Helsinki June sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st June 2025 03:08 21:30
Sunday, 15th June 2025 02:55 21:48
Monday, 30th June 2025 03:00 21:48

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