December weather forecastSainte-Rose, Reunion
December
Weather in December
December in Sainte-Rose, Reunion, paints a scenario of tropical warmth with reasonably held humidity. With averages ranging between 22.7°C (72.9°F) to 25.1°C (77.2°F), December weather profiles as humid and warm with the highest rainfall of 99mm (3.9"). The number of sunshine days decline, while the daylight hours increase, peaking at 13.4 hrs/day. Wind speed remains consistent with November as Sainte-Rose welcomes the holiday season with typically tropical weather patterns.Temperature
The shift into December in Sainte-Rose, Reunion, records an average high-temperature of a still moderately hot 25.1°C (77.2°F), subtly varied from November's 23.6°C (74.5°F). In Sainte-Rose, the month of December brings a consistent average low-temperature of 22.7°C (72.9°F), slightly cooler than its daytime highs.Humidity
In December, the average relative humidity is 81%.Rainfall
In Sainte-Rose, in December, during 26.7 rainfall days, 99mm (3.9") of precipitation is typically accumulated. Throughout the year, there are 280.3 rainfall days, and 1115mm (43.9") of precipitation is accumulated.Daylight
With an average of 13h and 24min of daylight, December has the longest days of the year in Sainte-Rose.On the first day of December in Sainte-Rose, Reunion, sunrise is at 05:26 and sunset at 18:45. On the last day of the month, sunrise is at 05:38 and sunset at 19:01 +04.
Sunshine
The average sunshine in December in Sainte-Rose, Reunion, is 10h.UV index
The months with the highest UV index in Sainte-Rose are January through May, November and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, a daily maximum UV index of 6 leads to the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sainte-Rose, Reunion
- Average high temperature in December: 25.1°C
The warmest month (with the highest average high temperature) is January (25.7°C).
The month with the lowest average high temperature is August (20.4°C).
- Average low temperature in December: 22.7°C
The month with the highest average low temperature is February (23.6°C).
The coldest month (with the lowest average low temperature) is August (18.2°C).
Average pressure in December
Sainte-Rose, Reunion
- Average pressure in December: 1013.3mbar
The month with the highest atmospheric pressure is August (1021.3mbar).
The month with the lowest atmospheric pressure is February (1011mbar).
Average wind speed in December
Sainte-Rose, Reunion
- Average wind speed in December: 12.4km/h
The windiest month (with the highest average wind speed) is July (18km/h).
The calmest months (with the lowest average wind speed) are November and December (12.4km/h).
Average humidity in December
Sainte-Rose, Reunion
- Average humidity in December: 81%
The months with the highest relative humidity are February and March (84%).
The months with the lowest relative humidity are August and September (79%).
Average rainfall in December
Sainte-Rose, Reunion
- Average rainfall in December: 99mm
The wettest month (with the highest rainfall) is January (199mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in December
Sainte-Rose, Reunion
- Average rainfall days in December: 26.7 days
The month with the highest number of rainy days is March (27.7 days).
The month with the least rainy days is September (18.5 days).
Average daylight in December /
Average sunshine in December
Sainte-Rose, Reunion
- Average daylight in December: 13h and 24min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in December: 10h and 0min
The month with the most sunshine is October (Average sunshine: 10h and 12min).
The month with the least sunshine is June (Average sunshine: 6h and 18min).
Average sunshine days in December
Sainte-Rose, Reunion
- Average sunshine days in December: 1.2 days
The month with the most sunshine days is October (5.5 days).
The month with the least sunshine days is February (0.3 days).
Average UV index in December
Sainte-Rose, Reunion
- Average UV index in December: 6
The months with the highest UV index are January, February, March, April, May, November and December (UV index 6).
The months with the lowest UV index are June, July, August, September and October (UV index 5).
Average cloud cover in December
Sainte-Rose, Reunion
- Average cloud cover in December: 42
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in December
Sainte-Rose, Reunion
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).





