Saint-Léger Weather in December
What's the weather like in Saint-Léger (Walloon Region) in December 2025?
The climate in Saint-Léger during December can be summarized as cool and wet.
December is in the winter in Saint-Léger and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 7°C (44°F), whilst at night -1°C (31°F) is normal.
| Daytime temperature | 6.6°C 43.8°F |
|---|---|
| Nightly temperature | -0.8°C 30.7°F |
| Average temperature | 2.9°C 37.2°F |
| Daily sunshine | 1.3 hrs |
| Avg rainfall | 123 mm 4.8 ins |
| Rainy days | 17 days |
| Sea temperature | 10.6°C 51.1°F |
| Humidity | 87% |
| Windspeed | 14.8kph 9 mph |
On average December is the wettest month of the year in Saint-Léger with around 123mm 4.8 inches of rain making it a wet 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 1.3 hours of sunshine per day.
December temperatures in Saint-Léger
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 Saint-Léger in December 2025.
Other monthly averages
Best places to visit in December
Saint-Léger weather stats
| Hottest month: | July | 22.5°C 72.5°F |
|---|---|---|
| Driest month: | April | 73mm 2.9ins |
| Sunniest month: | July | 8hrs |
| Coldest month: | January | 3.2°C 37.8°F |
| Wettest month: | December | 123mm 4.8ins |
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