Pernå Weather in August
What's the weather like in Pernå (Southern Finland Province) in August 2025?
The climate in Pernå during August can be summarized as mild and a little damp.
August is in the summer in Pernå and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 10°C (51°F) is normal.
| Daytime temperature | 20°C 67.9°F |
|---|---|
| Nightly temperature | 10.3°C 50.5°F |
| Average temperature | 15.1°C 59.2°F |
| Daily sunshine | 7 hrs |
| Avg rainfall | 82 mm 3.2 ins |
| Rainy days | 15 days |
| Sea temperature | 16.8°C 62.3°F |
| Humidity | 81% |
| Windspeed | 11.5kph 7 mph |
On average August is the wettest month of the year in Pernå with around 82mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
August temperatures in Pernå
August rainfall
August hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Pernå in August 2025.
Other monthly averages
Best places to visit in August
Pernå weather stats
| Hottest month: | July | 21.6°C 70.9°F |
|---|---|---|
| Driest month: | February | 35mm 1.4ins |
| Sunniest month: | June | 10.5hrs |
| Coldest month: | January | -4.8°C 23.4°F |
| Wettest month: | August | 82mm 3.2ins |
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