December weather forecastChamplan, France
December
Weather in December
The first month of the winter, December, is also a frosty month in Champlan, France, with an average temperature ranging between max 7.3°C (45.1°F) and min 3°C (37.4°F).Temperature
December witnesses a gentle descent in average high-temperature, descending from November's fresh 10.5°C (50.9°F) to a frosty 7.3°C (45.1°F). The nighttime temperature demonstrates a marginal decline, averaging at a cold 3°C (37.4°F) during December.Humidity
January and December, with an average relative humidity of 86%, are the most humid months.Rainfall
In December, the rain falls for 13.9 days. Throughout December, 43mm (1.69") of precipitation is accumulated. Throughout the year, there are 154.9 rainfall days, and 384mm (15.12") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Champlan, in December, snow falls for 1.1 days, with typically accumulated 12mm (0.47") of snow. Throughout the year, there are 4.5 snowfall days, and 37mm (1.46") of snow is accumulated.Daylight
With an average of 8h and 24min of daylight, December has the shortest days of the year in Champlan.On the first day of December in Champlan, sunrise is at 08:22 and sunset at 16:57. On the last day of the month, sunrise is at 08:43 and sunset at 17:04 CET.
Sunshine
The average sunshine in December is 4.3h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. 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: A maximum high UV index of 2 in December translates into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Champlan, France
- Average high temperature in December: 7.3°C
The warmest month (with the highest average high temperature) is August (24.6°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in December: 3°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in December
Champlan, France
- Average pressure in December: 1018.3mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).
Average wind speed in December
Champlan, France
- Average wind speed in December: 15.1km/h
The windiest month (with the highest average wind speed) is February (15.5km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in December
Champlan, 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 (68%).
Average rainfall in December
Champlan, France
- Average rainfall in December: 43mm
The wettest month (with the highest rainfall) is June (46mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days in December
Champlan, France
- Average rainfall days in December: 13.9 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is September (9.6 days).
Average snowfall in December
Champlan, France
- Average snowfall in December: 12mm
The month with the highest snowfall is January (13mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Champlan, France
- Average snowfall days in December: 1.1 days
The months with the highest number of snowfall days are January and February (1.3 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
Champlan, France
- Average daylight in December: 8h and 24min
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 24min).
- Average sunshine in December: 4h and 18min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Champlan, France
- Average sunshine days in December: 14.5 days
The months with the most sunshine days are March and September (18.5 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in December
Champlan, France
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Champlan, France
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in December
Champlan, 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).








