Siikainen Weather in August

What's the weather like in Siikainen (Province of Western Finland) in August 2025?

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

August is in the summer in Siikainen and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 19°C (65°F), whilst at night 10°C (50°F) is normal.

Siikainen weather averages (imperial / metric)
Daytime temperature 18.6°C 65.4°F
Nightly temperature 9.9°C 49.7°F
Average temperature 14.2°C 57.6°F
Daily sunshine 6.4 hrs
Avg rainfall 73 mm 2.9 ins
Rainy days 15 days
Sea temperature 16.2°C 61.2°F
Humidity 79%
Windspeed 13kph 8 mph

On average August is the wettest month of the year in Siikainen with around 73mm 2.9 inches of rain making it a reasonably dry 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 6.4 hours of sunshine per day.

August temperatures in Siikainen

Siikainen average temperature in August

August rainfall

Siikainen average rain in August

August hourly sunshine

Siikainen 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 Siikainen in August 2025.

Other monthly averages

Best places to visit in August

UV index Best time to go?

Siikainen weather stats

Siikainen weather statistics
Hottest month: July 20.2°C 68.4°F
Driest month: February 25mm 1ins
Sunniest month: June 5.1hrs
Coldest month: February -4.1°C 24.6°F
Wettest month: August 73mm 2.9ins
Map showing location of Siikainen (61.87703, 21.81945) Siikainen map pin © Google

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