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Finland weather in August 2025
Expect 68°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Finland in August. Check more long-term weather averages for Finland in August before you book your next holiday to Finland in 2025/2026.
- 6868°F max day temperature
- 7 hours of sunshine per day
- 1616 days with some rainfall
- 5252°F min night temperature
- 1616 hours of daylight per day
- 0No heat & humidity
- 3.03.0 inches of monthly rainfall
- 44 (Moderate) UV index
- 6161°F sea temperature
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Recommended for Finland
The August 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.
Top Finland destinations
Below are average maximum temperatures at popular countries, regions and places in Finland in August. Select a holiday destination to see more weather parameters.
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Metric (°C) | Imperial (°F)
How hot is it in Finland in August?
Daytime temperatures usually reach 68°F in Helsinki, Finland in August, falling to 52°F at night.
How sunny is it in Finland in August?
There are normally 7 hours of bright sunshine each day in Helsinki, Finland in August - that's 42% of daylight hours.
How warm is the sea around Finland in August?
The average sea temperature around Helsinki, Finland in August is 61°F.
Does it rain in Finland in August?
There are usually 16 days with some rain in Helsinki, Finland in August and the average monthly rainfall is 3.0 inches.
Finland August sunrise & sunset times
Browse the sunrise and sunset times for Finland in August 2025. Select a month to view Finland sunrise and sunset times for the next 12 months. The Finland sunrise and sunset times shown below are for Helsinki.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Friday, 1st August 2025 | 04:00 | 20:51 |
Saturday, 16th August 2025 | 04:36 | 20:11 |
Sunday, 31st August 2025 | 05:12 | 19:27 |
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