Kärdla Weather in December
What's the weather like in Kärdla (Hiiumaa) in December 2025?
The climate in Kärdla during December can be summarized as cold and reasonably dry.
December is in the winter in Kärdla and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a freezing 1°C (35°F), whilst at night -3°C (27°F) is normal.
| Daytime temperature | 1.4°C 34.5°F |
|---|---|
| Nightly temperature | -2.8°C 27°F |
| Average temperature | -0.7°C 30.7°F |
| Daily sunshine | 0.9 hrs |
| Avg rainfall | 52 mm 2.1 ins |
| Rainy days | 19 days |
| Sea temperature | 5.1°C 41.2°F |
| Humidity | 86% |
| Windspeed | 20.5kph 13 mph |
On average December is the 6th wettest month of the year in Kärdla with around 52mm 2.1 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 0.9 hours of sunshine per day.
December temperatures in Kärdla
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 Kärdla in December 2025.
Other monthly averages
Best places to visit in December
Kärdla weather stats
| Hottest month: | July | 19.2°C 66.6°F |
|---|---|---|
| Driest month: | March | 27mm 1.1ins |
| Sunniest month: | June | 11.4hrs |
| Coldest month: | February | -1.8°C 28.8°F |
| Wettest month: | November | 67mm 2.6ins |
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