The climate in Saint-François during December can be summarized as hot, humid and wet.
December is in the winter in Saint-François and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a steamy 29°C (84°F), whilst at night 21°C (70°F) is normal.
| Daytime temperature | 29.1°C 84.4°F | 
|---|---|
| Nightly temperature | 21.3°C 70.3°F | 
| Average temperature | 25.2°C 77.4°F | 
| Daily sunshine | 7 hrs | 
| Avg rainfall | 134 mm 5.3 ins | 
| Rainy days | 17 days | 
| Sea temperature | 27.4°C 81.4°F | 
| Humidity | 80% | 
| Windspeed | 18.4kph 11 mph | 
On average December is the 6th wettest month of the year in Saint-François with around 134mm 5.3 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 7 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-François in December 2025.
Best places to visit in December
| Hottest month: | July | 30.7°C 87.3°F | 
|---|---|---|
| Driest month: | February | 56mm 2.2ins | 
| Sunniest month: | April | 8.6hrs | 
| Coldest month: | January | 28.3°C 82.9°F | 
| Wettest month: | October | 214mm 8.4ins | 
 
	 
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