Helsinki weather averages

Going to Helsinki? Find the best month to visit Helsinki based on the weather.

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Check Helsinki weather averages before you book your next holiday in 2018/2019. Today's maximum temperature in Helsinki is expected to be 21°C, while the average maximum temperature in May is 15°C.

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Metric (°C / mm)  |  Imperial (°F / inches)

Helsinki weather averages: best month

Helsinki Best month Averages
Warmest July 21°C
Sunniest June 9 hours per day
Least rain May 10 days
Warmest sea August 16°C

Helsinki climate guide

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Helsinki weather averages by month

Check Helsinki holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Compare Helsinki weather with the USA

Below the Helsinki weather chart shows maximum daytime temperature for Helsinki, Finland and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

Helsinki, Finland
USA (Washington)
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Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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More Finland destinations

All destinations (A to Z)

Can't see your chosen destination? Use our A to Z search to find your required the holiday weather guide:

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