Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The arrival of December brings an average high-temperature of a still warm 24.9°C (76.8°F), nearly identical to November's 23.6°C (74.5°F). La Montagne registers a steady nighttime temperature averaging a pleasant 22.5°C (72.5°F) throughout December.Humidity
The average relative humidity in December is 81%.Rainfall
In December, the rain falls for 26 days. Throughout December, 85mm (3.35") of precipitation is accumulated. In La Montagne, during the entire year, the rain falls for 270.7 days and collects up to 1006mm (39.61") of precipitation.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 18:46. On the last day of December, in La Montagne, sunrise is at 05:40 and sunset at 19:02 +04.
Sunshine
In La Montagne, the average sunshine in December is 9.6h.UV index
January through April, November and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index, 6 during December, leads to the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the average humidity in December?
How many days does it rain in December?
When are the longest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does La Montagne have in December?
What are the months with the highest UV index?
What is the UV index intensity in December?
Average temperature in December
La Montagne, Reunion
- Average high temperature in December: 24.9°C
The warmest month (with the highest average high temperature) is January (25.7°C).
The month with the lowest average high temperature is July (20.4°C).
- Average low temperature in December: 22.5°C
The month with the highest average low temperature is February (23.3°C).
The coldest month (with the lowest average low temperature) is August (17.9°C).
Average pressure in December
La Montagne, Reunion
- Average pressure in December: 1013.2mbar
The month with the highest atmospheric pressure is August (1021.2mbar).
The month with the lowest atmospheric pressure is February (1011mbar).
Average wind speed in December
La Montagne, Reunion
- Average wind speed in December: 12.4km/h
The windiest month (with the highest average wind speed) is July (17.6km/h).
The calmest month (with the lowest average wind speed) is December (12.4km/h).
Average humidity in December
La Montagne, Reunion
- Average humidity in December: 81%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July, August and September (80%).
Average rainfall in December
La Montagne, Reunion
- Average rainfall in December: 85mm
The wettest month (with the highest rainfall) is March (178mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in December
La Montagne, Reunion
- Average rainfall days in December: 26 days
The month with the highest number of rainy days is March (26.3 days).
The month with the least rainy days is September (19.6 days).
Average daylight in December /
Average sunshine in December
La Montagne, Reunion
- Average daylight in December: 13h and 2min
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: 9h and 4min
The month with the most sunshine is October (Average sunshine: 10h and 0min).
The month with the least sunshine is June (Average sunshine: 6h and 24min).
Average sunshine days in December
La Montagne, Reunion
- Average sunshine days in December: 1.9 days
The month with the most sunshine days is October (5.5 days).
The month with the least sunshine days is December (1.9 days).
Average UV index in December
La Montagne, Reunion
- Average UV index in December: 6
The months with the highest UV index are January, February, March, April, November and December (UV index 6).
The months with the lowest UV index are May, June, July, August, September and October (UV index 5).
Average cloud cover in December
La Montagne, Reunion
- Average cloud cover in December: 45
The month with the most cloud cover is March (Cloud cover 49).
The months with the least cloud cover are July, August and September (Cloud cover 34).
Average visibility in December
La Montagne, 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).
La Montagne, Reunion
Weather forecast for your location
2. Allow the app to use your location