Mariehamn weather in June 2025

Expect 63°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Mariehamn in June. Check more long-term weather averages for Mariehamn in June before you book your next holiday to Finland in 2025/2026.

  • 63°F maximum daytime temperature in June in Mariehamn63
    63°F max day temperature
  • 9 hours of sunshine per day
  • 10 days with some rainfall in June in Mariehamn10
    10 days with some rainfall
  • 48°F minimum night-time temperature in June in Mariehamn48
    48°F min night temperature
  • 19 hours of daylight per day in June in Mariehamn19
    19 hours of daylight per day
  • No heat & humidity in June in Mariehamn0
    No heat & humidity
  • 1.3 inches monthly rainfall in June in Mariehamn1.3
    1.3 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in June in Mariehamn5
    5 (Moderate) UV index
  • 50°F sea temperature in June in Mariehamn50
    50°F sea temperature

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The June weather guide for Finland (Mariehamn) 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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How warm is it in Mariehamn in June?

Daytime temperatures usually reach 63°F in Mariehamn in June, falling to 48°F at night.

How sunny is it in Mariehamn in June?

There are normally 9 hours of bright sunshine each day in Mariehamn in June - that's 47% of daylight hours.

How warm is the sea around Mariehamn in June?

The average sea temperature around Mariehamn in June is 50°F.

Does it rain in Mariehamn in June?

There are usually 10 days with some rain in Mariehamn in June and the average monthly rainfall is 1.3 inches.

Mariehamn June sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st June 2025 03:28 21:49
Sunday, 15th June 2025 03:15 22:07
Monday, 30th June 2025 03:21 22:07

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