Helsinki Weather in December
What's the weather like in Helsinki (Province of Western Finland) in December 2024?
The climate in Helsinki during December can be summarized as cold and reasonably dry.
December is in the winter in Helsinki and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a freezing 0°C (32°F), whilst at night -5°C (24°F) is normal.
| Daytime temperature | 0.1°C 32.2°F |
|---|---|
| Nightly temperature | -4.7°C 23.5°F |
| Average temperature | -2.3°C 27.9°F |
| Daily sunshine | 0.7 hrs |
| Avg rainfall | 48 mm 1.9 ins |
| Rainy days | 19 days |
| Sea temperature | 4.5°C 40.1°F |
| Humidity | 87% |
| Windspeed | 20.5kph 13 mph |
On average December is the 6th wettest month of the year in Helsinki with around 48mm 1.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 0.7 hours of sunshine per day.
December temperatures in Helsinki
December rainfall
December hourly sunshine
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 Helsinki in December 2024.
Other monthly averages
Best places to visit in December
Helsinki weather stats
| Hottest month: | July | 19.5°C 67.1°F |
|---|---|---|
| Driest month: | February | 25mm 1ins |
| Sunniest month: | June | 10.7hrs |
| Coldest month: | February | -2.7°C 27.1°F |
| Wettest month: | August | 75mm 3ins |
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