Jablonec nad Nisou Weather in December
What's the weather like in Jablonec nad Nisou (Liberecký) in December 2025?
The climate in Jablonec nad Nisou during December can be summarized as cold and damp.
December is in the winter in Jablonec nad Nisou and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a freezing -0°C (32°F), whilst at night -5°C (23°F) is normal.
| Daytime temperature | -0.1°C 31.8°F |
|---|---|
| Nightly temperature | -4.9°C 23.2°F |
| Average temperature | -2.5°C 27.5°F |
| Daily sunshine | 2 hrs |
| Avg rainfall | 115 mm 4.5 ins |
| Rainy days | 17 days |
| Sea temperature | 9.3°C 48.7°F |
| Humidity | 89% |
| Windspeed | 28.4kph 18 mph |
On average December is the wettest month of the year in Jablonec nad Nisou with around 115mm 4.5 inches of rain making it a damp time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 2 hours of sunshine per day.
December temperatures in Jablonec nad Nisou
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 Jablonec nad Nisou in December 2025.
Other monthly averages
Best places to visit in December
Jablonec nad Nisou weather stats
| Hottest month: | July | 18.9°C 66°F |
|---|---|---|
| Driest month: | April | 70mm 2.8ins |
| Sunniest month: | August | 6.9hrs |
| Coldest month: | January | -1.8°C 28.8°F |
| Wettest month: | December | 115mm 4.5ins |
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