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Helsinki weather in October 2021
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- 99°C max day temperature
- 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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The October weather guide for Helsinki, Finland 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.
How warm is it in Helsinki in October?
Daytime temperatures usually reach 9°C in Helsinki in October, falling to 3°C at night.
How sunny is it in Helsinki in October?
There are normally 3 hours of bright sunshine each day in Helsinki in October - that's 26% of daylight hours.
Is the sea cold around Helsinki in October?
The average sea temperature around Helsinki in October is 9°C.
Does it rain in Helsinki in October?
There are usually 17 days with some rain in Helsinki in October and the average monthly rainfall is 72mm.
Metric (°C / mm) | Imperial (°F / inches)
Helsinki sunrise & sunset times for October 2021
Browse the sunrise and sunset times for Helsinki in October 2021. Select a month to view Helsinki sunrise & sunset times for the next 12 months.
|Date||Sunrise times||Sunset times|
|Friday, 1st October 2021||07:26||18:52|
|Saturday, 16th October 2021||08:03||18:08|
|Sunday, 31st October 2021||07:41*||16:26*|
*Daylight saving ends - Eastern European Time (EET) starts
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