Savonlinna Weather in August

What's the weather like in Savonlinna (Eastern Finland Province) in August 2025?

The climate in Savonlinna during August can be summarized as mild and reasonably dry.

August is in the summer in Savonlinna and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 11°C (52°F) is normal.

Savonlinna weather averages (imperial / metric)
Daytime temperature 18.7°C 65.7°F
Nightly temperature 10.9°C 51.6°F
Average temperature 14.8°C 58.6°F
Daily sunshine 7.1 hrs
Avg rainfall 76 mm 3 ins
Rainy days 17 days
Sea temperature 16°C 60.8°F
Humidity 77%
Windspeed 10.1kph 6 mph

On average August is the wettest month of the year in Savonlinna with around 76mm 3 inches of rain making it a reasonably dry 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 7.1 hours of sunshine per day.

August temperatures in Savonlinna

Savonlinna average temperature in August

August rainfall

Savonlinna average rain in August

August hourly sunshine

Savonlinna average rain in August

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 Savonlinna in August 2025.

Other monthly averages

Best places to visit in August

UV index Best time to go?

Savonlinna weather stats

Savonlinna weather statistics
Hottest month: July 20.9°C 69.6°F
Driest month: February 29mm 1.1ins
Sunniest month: May 9.3hrs
Coldest month: January -7.5°C 18.5°F
Wettest month: August 76mm 3ins
Map showing location of Savonlinna (61.8699, 28.87999) Savonlinna map pin © Google

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