December weather forecastFleurimont, Reunion
December
Weather in December
In December, temperatures in Fleurimont increase with average daily high temperatures higher than November by a fraction but substantially more rainfall of 61mm (2.4"). The weather in Fleurimont receives a defined character of high humidity, constant winds and reduced atmospheric pressure at 1013.3mb. This variation marks a climatic twist from the drier and cooler months of the previous quarter. December brings plenty of rainfall, increasing humidity and marking the return of familiar damp and overcast weather conditions.Temperature
The average high-temperature in Fleurimont, Reunion, is a still moderately hot 25.5°C (77.9°F) in December, hardly different from the 24.3°C (75.7°F) recorded in November. Fleurimont, during the nights of December, averages a temperature close to its daytime high, at a still warm 23.3°C (73.9°F).Humidity
In December, the average relative humidity is 78%.Rainfall
In December, in Fleurimont, the rain falls for 22.5 days. Throughout December, 61mm (2.4") of precipitation is accumulated. Throughout the year, there are 240.7 rainfall days, and 754mm (29.69") of precipitation is accumulated.Daylight
December has the longest days of the year, with an average of 13h and 24min of daylight.On the first day of the month, sunrise is at 05:28 and sunset at 18:47. On the last day of December, in Fleurimont, sunrise is at 05:40 and sunset at 19:03 +04.
Sunshine
The average sunshine in December in Fleurimont is 10.5h.UV index
The months with the highest UV index in Fleurimont are January through May, October through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In December, a daily maximum UV index of 6 leads to the following instructions:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Fleurimont, Reunion
- Average high temperature in December: 25.5°C
The warmest month (with the highest average high temperature) is February (26.2°C).
The months with the lowest average high temperature are July and August (21.3°C).
- Average low temperature in December: 23.3°C
The month with the highest average low temperature is February (23.9°C).
The coldest month (with the lowest average low temperature) is August (18.4°C).
Average pressure in December
Fleurimont, 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
Fleurimont, Reunion
- Average wind speed in December: 9.6km/h
The windiest month (with the highest average wind speed) is July (13.4km/h).
The calmest month (with the lowest average wind speed) is November (9.4km/h).
Average humidity in December
Fleurimont, Reunion
- Average humidity in December: 78%
The months with the highest relative humidity are January, February and March (81%).
The months with the lowest relative humidity are August and September (76%).
Average rainfall in December
Fleurimont, Reunion
- Average rainfall in December: 61mm
The wettest month (with the highest rainfall) is January (153mm).
The driest month (with the least rainfall) is September (15mm).
Average rainfall days in December
Fleurimont, Reunion
- Average rainfall days in December: 22.5 days
The month with the highest number of rainy days is March (26.1 days).
The month with the least rainy days is September (14.9 days).
Average daylight in December /
Average sunshine in December
Fleurimont, 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 30min
The month with the most sunshine is October (Average sunshine: 10h and 36min).
The months with the least sunshine are June and July (Average sunshine: 6h and 54min).
Average sunshine days in December
Fleurimont, Reunion
- Average sunshine days in December: 4.3 days
The month with the most sunshine days is July (8.8 days).
The month with the least sunshine days is February (1.3 days).
Average UV index in December
Fleurimont, Reunion
- Average UV index in December: 6
The months with the highest UV index are January, February, March, April, May, October, November and December (UV index 6).
The months with the lowest UV index are June, July, August and September (UV index 5).
Average cloud cover in December
Fleurimont, Reunion
- Average cloud cover in December: 35
The months with the most cloud cover are January, February and March (Cloud cover 38).
The months with the least cloud cover are June and July (Cloud cover 26).
Average visibility in December
Fleurimont, Reunion
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





