Petrozavodsk Weather in August
What's the weather like in Petrozavodsk (Kareliya) in August 2025?
The climate in Petrozavodsk during August can be summarized as mild and a little damp.
August is in the summer in Petrozavodsk and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 18°C (65°F), whilst at night 10°C (51°F) is normal.
| Daytime temperature | 18.4°C 65.1°F |
|---|---|
| Nightly temperature | 10.4°C 50.7°F |
| Average temperature | 14.4°C 57.9°F |
| Daily sunshine | 8 hrs |
| Avg rainfall | 84 mm 3.3 ins |
| Rainy days | 17 days |
| Sea temperature | 12.5°C 54.5°F |
| Humidity | 79% |
| Windspeed | 10.8kph 7 mph |
On average August is the wettest month of the year in Petrozavodsk with around 84mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 8 hours of sunshine per day.
August temperatures in Petrozavodsk
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 Petrozavodsk in August 2025.
Other monthly averages
Best places to visit in August
Petrozavodsk weather stats
| Hottest month: | July | 20.7°C 69.3°F |
|---|---|---|
| Driest month: | February | 25mm 1ins |
| Sunniest month: | July | 5.1hrs |
| Coldest month: | January | -8.5°C 16.7°F |
| Wettest month: | August | 84mm 3.3ins |
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