Jämijärvi Weather in May

What's the weather like in Jämijärvi (Province of Western Finland) in May 2025?

The climate in Jämijärvi during May can be summarized as cool and reasonably dry.

May is in the spring in Jämijärvi and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cool 15°C (59°F), whilst at night 3°C (38°F) is normal.

Jämijärvi weather averages (imperial / metric)
Daytime temperature 14.9°C 58.7°F
Nightly temperature 3.4°C 38°F
Average temperature 9.1°C 48.4°F
Daily sunshine 8.5 hrs
Avg rainfall 37 mm 1.5 ins
Rainy days 11 days
Sea temperature 4.9°C 40.8°F
Humidity 66%
Windspeed 11.9kph 7 mph

On average May is the 4th driest month of the year in Jämijärvi with around 37mm 1.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.5 hours of sunshine per day.

May temperatures in Jämijärvi

Jämijärvi average temperature in May

May rainfall

Jämijärvi average rain in May

May hourly sunshine

Jämijärvi average rain in May

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 Jämijärvi in May 2025.

Other monthly averages

Best places to visit in May

UV index Best time to go?

Jämijärvi weather stats

Jämijärvi weather statistics
Hottest month: July 20.9°C 69.6°F
Driest month: February 29mm 1.1ins
Sunniest month: June 5hrs
Coldest month: January -5.2°C 22.6°F
Wettest month: August 81mm 3.2ins
Map showing location of Jämijärvi (61.81667, 22.7) Jämijärvi map pin © Google

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