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Helsinki weather in August 2021
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- 20°C max day temperature
20 - 7 hours of sunshine per day
- 16 days with some rainfall
16 - 11°C min night temperature
11 - 16 hours of daylight per day
16 - No heat & humidity
0 - 77 mm of monthly rainfall
77 - 4 (Moderate) UV index
4 - 16°C sea temperature
16
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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
The August 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.
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How hot is it in Helsinki in August?
Daytime temperatures usually reach 20°C in Helsinki in August, falling to 11°C at night.
How sunny is it in Helsinki in August?
There are normally 7 hours of bright sunshine each day in Helsinki in August - that's 42% of daylight hours.
How warm is the sea around Helsinki in August?
The average sea temperature around Helsinki in August is 16°C.
Does it rain in Helsinki in August?
There are usually 16 days with some rain in Helsinki in August and the average monthly rainfall is 77mm.
Metric (°C / mm) | Imperial (°F / inches)
Helsinki sunrise & sunset times for August 2021
Browse the sunrise and sunset times for Helsinki in August 2021. Select a month to view Helsinki sunrise & sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| 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 |
- Check out the low fares on flights to Finland
- Finnair flights connect in Helsinki Airport, Finland
- Browse lowest fares available
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