Kuhmalahti Weather in December

What's the weather like in Kuhmalahti (Province of Western Finland) in December 2025?

The climate in Kuhmalahti during December can be summarized as cold and reasonably dry.

December is in the winter in Kuhmalahti and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a freezing -3°C (26°F), whilst at night -9°C (15°F) is normal.

Kuhmalahti weather averages (imperial / metric)
Daytime temperature -3.2°C 26.3°F
Nightly temperature -9.3°C 15.4°F
Average temperature -6.2°C 20.8°F
Daily sunshine 0.5 hrs
Avg rainfall 39 mm 1.6 ins
Rainy days 21 days
Sea temperature 3.7°C 38.6°F
Humidity 90%
Windspeed 11.2kph 7 mph

On average December is the 6th driest month of the year in Kuhmalahti with around 39mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 21 days, although this may vary considerably.

On the flip side this corresponds to an average of 0.5 hours of sunshine per day.

December temperatures in Kuhmalahti

Kuhmalahti average temperature in December

December rainfall

Kuhmalahti average rain in December

December hourly sunshine

Kuhmalahti average rain in December

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 Kuhmalahti in December 2025.

Other monthly averages

Best places to visit in December

UV index Best time to go?

Kuhmalahti weather stats

Kuhmalahti weather statistics
Hottest month: July 20.8°C 69.4°F
Driest month: February 24mm 0.9ins
Sunniest month: June 5hrs
Coldest month: January -5.9°C 21.4°F
Wettest month: August 82mm 3.2ins
Map showing location of Kuhmalahti (61.5, 24.56667) Kuhmalahti map pin © Google

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