December weather forecastChailly-en-Brie, France
December
Weather in December
The first month of the winter, December, is still a chilly month in Chailly-en-Brie, France, with an average temperature varying between 2.6°C (36.7°F) and 6.7°C (44.1°F).Temperature
With the arrival of December, Chailly-en-Brie notices a mild change in the average high-temperature, sliding from November's cool 10.2°C (50.4°F) to a chilly 6.7°C (44.1°F). Chailly-en-Brie sustains a near constant temperature throughout December, with nighttime averages of 2.6°C (36.7°F).Humidity
January and December, with an average relative humidity of 87%, are the most humid months.Rainfall
In Chailly-en-Brie, France, during December, the rain falls for 14.6 days and regularly aggregates up to 51mm (2.01") of precipitation. Throughout the year, there are 175.6 rainfall days, and 484mm (19.06") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Chailly-en-Brie, in December, during 1.9 snowfall days, 19mm (0.75") of snow is typically accumulated. Throughout the year, in Chailly-en-Brie, France, there are 8.4 snowfall days, and 72mm (2.83") of snow is accumulated.Daylight
With an average of 8h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 08:19 and sunset at 16:53. On the last day of the month, sunrise is at 08:40 and sunset at 17:00 CET.
Sunshine
In December, the average sunshine in Chailly-en-Brie is 4.1h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 suggests this advice:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Chailly-en-Brie, France
- Average high temperature in December: 6.7°C
The warmest month (with the highest average high temperature) is August (24.4°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: 2.6°C
The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in December
Chailly-en-Brie, France
- Average pressure in December: 1018.6mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in December
Chailly-en-Brie, France
- Average wind speed in December: 15.2km/h
The windiest month (with the highest average wind speed) is February (15.6km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in December
Chailly-en-Brie, France
- Average humidity in December: 87%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Chailly-en-Brie, France
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is June (58mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in December
Chailly-en-Brie, France
- Average rainfall days in December: 14.6 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is September (11.2 days).
Average snowfall in December
Chailly-en-Brie, France
- Average snowfall in December: 19mm
The month with the highest snowfall is January (28mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Chailly-en-Brie, France
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Chailly-en-Brie, France
- Average daylight in December: 8h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 4h and 6min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Chailly-en-Brie, France
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in December
Chailly-en-Brie, France
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Chailly-en-Brie, France
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 36).
Average visibility in December
Chailly-en-Brie, France
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).
