Vaasa weather in August 2025

Expect daytime maximum temperatures of 64°F in Vaasa, Finland in August based on long-term weather averages. There are 6 hours of sunshine per day on average with 15 days with some rainfall and typically 2.4 inches of rainfall in the month.

  • 64°F maximum daytime temperature in August in Vaasa64
    64°F max day temperature
  • 6 hours of sunshine per day
  • 15 days with some rainfall in August in Vaasa15
    15 days with some rainfall
  • 50°F minimum night-time temperature in August in Vaasa50
    50°F min night temperature
  • 16 hours of daylight per day in August in Vaasa16
    16 hours of daylight per day
  • No heat & humidity in August in Vaasa0
    No heat & humidity
  • 2.4 inches monthly rainfall in August in Vaasa2.4
    2.4 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in August in Vaasa3
    3 (Moderate) UV index
  • 59°F sea temperature in August in Vaasa59
    59°F sea temperature

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The August 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 hot is it in Vaasa in August?

Daytime temperatures usually reach 64°F in Vaasa in August, falling to 50°F at night.

How sunny is it in Vaasa in August?

There are normally 6 hours of bright sunshine each day in Vaasa in August - that's 35% of daylight hours.

How warm is the sea around Vaasa in August?

The average sea temperature around Vaasa in August is 59°F.

Does it rain in Vaasa in August?

There are usually 15 days with some rain in Vaasa in August and the average monthly rainfall is 2.4 inches.

Vaasa August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 03:51 21:27
Saturday, 16th August 2025 04:34 20:39
Sunday, 31st August 2025 05:17 19:49

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