Oulu weather in August 2025

Expect 64°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Oulu in August. Check more long-term weather averages for Oulu in August before you book your next holiday to Finland in 2025/2026.

  • 64°F maximum daytime temperature in August in Oulu64
    64°F max day temperature
  • 7 hours of sunshine per day
  • 15 days with some rainfall in August in Oulu15
    15 days with some rainfall
  • 48°F minimum night-time temperature in August in Oulu48
    48°F min night temperature
  • 16 hours of daylight per day in August in Oulu16
    16 hours of daylight per day
  • No heat & humidity in August in Oulu0
    No heat & humidity
  • 2.5 inches monthly rainfall in August in Oulu2.5
    2.5 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in August in Oulu3
    3 (Moderate) UV index
  • 52°F sea temperature in August in Oulu52
    52°F sea temperature

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The August weather guide for Finland (Oulu) 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 Oulu in August?

Daytime temperatures usually reach 64°F in Oulu in August, falling to 48°F at night.

How sunny is it in Oulu in August?

There are normally 7 hours of bright sunshine each day in Oulu in August - that's 39% of daylight hours.

How warm is the sea around Oulu in August?

The average sea temperature around Oulu in August is 52°F.

Does it rain in Oulu in August?

There are usually 15 days with some rain in Oulu in August and the average monthly rainfall is 2.5 inches.

Oulu August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 03:16 21:30
Saturday, 16th August 2025 04:07 20:36
Sunday, 31st August 2025 04:54 19:40

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