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Finland weather in October 2025
Expect 9°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Finland in October. Check more long-term weather averages for Finland in October before you book your next holiday to Finland in 2025/2026.
- 99°C max day temperature
- 3 hours of sunshine per day
- 1717 days with some rainfall
- 33°C min night temperature
- 1010 hours of daylight per day
- 0No heat & humidity
- 7272 mm of monthly rainfall
- 11 (Low) UV index
- 99°C sea temperature
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Recommended for Finland
The October 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 October. Select a holiday destination to see more weather parameters.
All Finland destinations
Metric (°C / mm) | Imperial (°F / inches)
How warm is it in Finland in October?
Daytime temperatures usually reach 9°C in Helsinki, Finland in October, falling to 3°C at night.
How sunny is it in Finland in October?
There are normally 3 hours of bright sunshine each day in Helsinki, Finland in October - that's 26% of daylight hours.
Is the sea cold around Finland in October?
The average sea temperature around Helsinki, Finland in October is 9°C.
Does it rain in Finland in October?
There are usually 17 days with some rain in Helsinki, Finland in October and the average monthly rainfall is 72mm.
Finland October sunrise & sunset times
Browse the sunrise and sunset times for Finland in October 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 |
---|---|---|
Wednesday, 1st October 2025 | 06:26 | 17:52 |
Thursday, 16th October 2025 | 07:03 | 17:08 |
Friday, 31st October 2025 | 07:41 | 16:26 |
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