Vaasa weather in May 2025

Expect 55°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Vaasa in May. Check more long-term weather averages for Vaasa in May before you book your next holiday to Finland in 2025/2026.

  • 55°F maximum daytime temperature in May in Vaasa55
    55°F max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in May in Vaasa11
    11 days with some rainfall
  • 39°F minimum night-time temperature in May in Vaasa39
    39°F min night temperature
  • 18 hours of daylight per day in May in Vaasa18
    18 hours of daylight per day
  • No heat & humidity in May in Vaasa0
    No heat & humidity
  • 1.3 inches monthly rainfall in May in Vaasa1.3
    1.3 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in May in Vaasa3
    3 (Moderate) UV index
  • 37°F sea temperature in May in Vaasa37
    37°F sea temperature

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The May weather guide for Finland (Vaasa) 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 Vaasa in May?

Daytime temperatures usually reach 55°F in Vaasa in May, falling to 39°F at night.

How sunny is it in Vaasa in May?

There are normally 7 hours of bright sunshine each day in Vaasa in May - that's 40% of daylight hours.

How warm is the sea around Vaasa in May?

The average sea temperature around Vaasa in May is 37°F.

Does it rain in Vaasa in May?

There are usually 11 days with some rain in Vaasa in May and the average monthly rainfall is 1.3 inches.

Vaasa May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:13 20:51
Friday, 16th May 2025 03:27 21:36
Saturday, 31st May 2025 02:48 22:17

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