December weather forecastLa Celle-Saint-Cloud, France
December
Weather in December
The first month of the winter, December, is still a chilly month in La Celle-Saint-Cloud, France, with an average temperature ranging between min 3°C (37.4°F) and max 7.4°C (45.3°F).Temperature
In La Celle-Saint-Cloud, the beginning of December is marked by a marginally lowered average high-temperature, shifting from November's cool 10.5°C (50.9°F) to a frosty 7.4°C (45.3°F). During December, nights cool slightly to an average low of 3°C (37.4°F).Humidity
January and December, with an average relative humidity of 86%, are the most humid months in La Celle-Saint-Cloud.Rainfall
In La Celle-Saint-Cloud, France, during December, the rain falls for 12.5 days and regularly aggregates up to 31mm (1.22") of precipitation. In La Celle-Saint-Cloud, during the entire year, the rain falls for 147 days and collects up to 321mm (12.64") of precipitation.Snowfall
Months with snowfall are January through March, November and December. December is the month with the most snowfall in La Celle-Saint-Cloud. Snow falls for 1.9 days and accumulates 18mm (0.71") of snow.Daylight
December has the shortest days of the year in La Celle-Saint-Cloud, with an average of 8h and 18min of daylight.On the first day of the month, sunrise is at 08:24 and sunset at 16:57. On the last day of December, sunrise is at 08:44 and sunset at 17:04 CET.
Sunshine
In La Celle-Saint-Cloud, the average sunshine in December is 4.2h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in La Celle-Saint-Cloud, France. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 2 during December leads to these instructions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
La Celle-Saint-Cloud, France
- Average high temperature in December: 7.4°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (6.1°C).
- Average low temperature in December: 3°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (1.7°C).
Average pressure in December
La Celle-Saint-Cloud, France
- Average pressure in December: 1018.2mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1013.3mbar).
Average wind speed in December
La Celle-Saint-Cloud, France
- Average wind speed in December: 15.4km/h
The windiest month (with the highest average wind speed) is February (15.8km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).
Average humidity in December
La Celle-Saint-Cloud, France
- Average humidity in December: 86%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (69%).
Average rainfall in December
La Celle-Saint-Cloud, France
- Average rainfall in December: 31mm
The wettest month (with the highest rainfall) is June (40mm).
The driest month (with the least rainfall) is September (14mm).
Average rainfall days in December
La Celle-Saint-Cloud, France
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is September (9 days).
Average snowfall in December
La Celle-Saint-Cloud, France
- Average snowfall in December: 18mm
The month with the highest snowfall is December (18mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
La Celle-Saint-Cloud, France
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is January (2.3 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
La Celle-Saint-Cloud, 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 12min
The months with the most sunshine are July and August (Average sunshine: 9h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
La Celle-Saint-Cloud, France
- Average sunshine days in December: 13.8 days
The month with the most sunshine days is September (18.8 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in December
La Celle-Saint-Cloud, France
- Average UV index in December: 2
The months with the highest UV index are May, 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
La Celle-Saint-Cloud, France
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 38).
Average visibility in December
La Celle-Saint-Cloud, France
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
