Rose Belle Weather in December
What's the weather like in Rose Belle (Grand Port) in December 2025?
The climate in Rose Belle during December can be summarized as hot, humid and very wet.
December is in the summer in Rose Belle and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (81°F), whilst at night 20°C (68°F) is normal.
| Daytime temperature | 27.2°C 80.9°F |
|---|---|
| Nightly temperature | 20.1°C 68.1°F |
| Average temperature | 23.6°C 74.5°F |
| Daily sunshine | 6.9 hrs |
| Avg rainfall | 290 mm 11.4 ins |
| Rainy days | 16 days |
| Sea temperature | 26.6°C 79.9°F |
| Humidity | 81% |
| Windspeed | 12.2kph 8 mph |
On average December is the 5th wettest month of the year in Rose Belle with around 290mm 11.4 inches of rain making it a very wet 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 6.9 hours of sunshine per day.
December temperatures in Rose Belle
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 Rose Belle in December 2025.
Other monthly averages
Best places to visit in December
Rose Belle weather stats
| Hottest month: | February | 27.8°C 82°F |
|---|---|---|
| Driest month: | October | 131mm 5.2ins |
| Sunniest month: | November | 7.4hrs |
| Coldest month: | August | 21.9°C 71.4°F |
| Wettest month: | February | 431mm 17ins |
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