Finland weather in August 2021

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Below are average maximum temperatures at popular destinations in Finland in August. Select a destination to see more weather parameters.

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The August weather guide for 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.

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How hot is it in Finland in August?

Daytime temperatures usually reach 20°C in Helsinki, Finland in August, falling to 11°C 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 16°C.

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 77mm.

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

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Finland sunrise & sunset times for August 2021

Browse the sunrise & sunset times for Finland in August 2021. Select a month to view Finland sunrise & sunset times for the next twelve months. The Finland sunrise & sunset times shown below are for Helsinki.


Date Sunrise times Sunset times
Sunday, 1st August 2021 05:00 21:51
Monday, 16th August 2021 05:36 21:11
Tuesday, 31st August 2021 06:12 20:27
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