The climate in Saint-Leu during December can be summarized as cool and reasonably dry.
December is in the winter in Saint-Leu and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cold 5°C (41°F), whilst at night -1°C (31°F) is normal.
Daytime temperature | 4.9°C 40.8°F |
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Nightly temperature | -0.5°C 31.1°F |
Average temperature | 2.2°C 36°F |
Daily sunshine | 2 hrs |
Avg rainfall | 70 mm 2.8 ins |
Rainy days | 16 days |
Sea temperature | 12.5°C 54.5°F |
Humidity | 88% |
Windspeed | 11.9kph 7 mph |
On average December is the 6th wettest month of the year in Saint-Leu with around 70mm 2.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 2 hours of sunshine per day.
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-Leu in December 2025.
Best places to visit in December
Hottest month: | July | 24.5°C 76.1°F |
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Driest month: | March | 55mm 2.2ins |
Sunniest month: | July | 9.6hrs |
Coldest month: | January | 4.2°C 39.6°F |
Wettest month: | June | 80mm 3.1ins |