Ilomantsi Weather in May

What's the weather like in Ilomantsi (Eastern Finland Province) in May 2025?

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

May is in the spring in Ilomantsi and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cool 13°C (56°F), whilst at night 3°C (37°F) is normal.

Ilomantsi weather averages (imperial / metric)
Daytime temperature 13.4°C 56.1°F
Nightly temperature 2.8°C 37°F
Average temperature 8.1°C 46.6°F
Daily sunshine 4.1 hrs
Avg rainfall 37 mm 1.5 ins
Rainy days 12 days
Sea temperature 3.5°C 38.2°F
Humidity 64%
Windspeed 11.5kph 7 mph

On average May is the 4th driest month of the year in Ilomantsi with around 37mm 1.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.1 hours of sunshine per day.

May temperatures in Ilomantsi

Ilomantsi average temperature in May

May rainfall

Ilomantsi average rain in May

May hourly sunshine

Ilomantsi 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 Ilomantsi in May 2025.

Other monthly averages

Best places to visit in May

UV index Best time to go?

Ilomantsi weather stats

Ilomantsi weather statistics
Hottest month: July 20.6°C 69.1°F
Driest month: February 29mm 1.1ins
Sunniest month: July 4.6hrs
Coldest month: January -9°C 15.8°F
Wettest month: August 87mm 3.4ins
Map showing location of Ilomantsi (62.67162, 30.93276) Ilomantsi map pin © Google

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