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Helsinki weather in August 2021
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- 2020°C max day temperature
- 1616 days with some rainfall
- 1111°C min night temperature
- 1616 hours of daylight per day
- 0No heat & humidity
- 7777 mm of monthly rainfall
- 44 (Moderate) UV index
- 1616°C sea temperature
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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.
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.
|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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