December weather forecastGrangermont, France
December
Weather in December
The first month of the winter, December, is still a chilly month in Grangermont, France, with an average temperature fluctuating between 3.1°C (37.6°F) and 7.4°C (45.3°F).Temperature
The shift from November to December includes a small decrease in the average high-temperature, from a cool 10.8°C (51.4°F) to a chilly 7.4°C (45.3°F). Grangermont nights in December witness a mild cool down to an average temperature of 3.1°C (37.6°F).Humidity
The most humid month is December, with an average relative humidity of 87%.Rainfall
In Grangermont, France, in December, during 15.4 rainfall days, 48mm (1.89") of precipitation is typically accumulated. Throughout the year, there are 168.5 rainfall days, and 464mm (18.27") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In December, in Grangermont, it is snowing for 1.6 days. Throughout December, 14mm (0.55") of snow is accumulated. Throughout the year, there are 6.7 snowfall days, and 45mm (1.77") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 24min of daylight.On the first day of December in Grangermont, France, sunrise is at 08:20 and sunset at 16:58. On the last day of the month, sunrise is at 08:40 and sunset at 17:06 CET.
Sunshine
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 Grangermont. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grangermont, France
- Average high temperature in December: 7.4°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in December: 3.1°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 (1.8°C).
Average pressure in December
Grangermont, France
- Average pressure in December: 1019.2mbar
The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is November (1014mbar).
Average wind speed in December
Grangermont, France
- Average wind speed in December: 15.4km/h
The windiest month (with the highest average wind speed) is February (16km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).
Average humidity in December
Grangermont, France
- Average humidity in December: 87%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Grangermont, France
- Average rainfall in December: 48mm
The wettest month (with the highest rainfall) is June (51mm).
The driest month (with the least rainfall) is September (21mm).
Average rainfall days in December
Grangermont, France
- Average rainfall days in December: 15.4 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is September (10.5 days).
Average snowfall in December
Grangermont, France
- Average snowfall in December: 14mm
The month with the highest snowfall is February (15mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Grangermont, France
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is February (2.4 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
Grangermont, France
- Average daylight in December: 8h and 24min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 4h and 12min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Grangermont, France
- Average sunshine days in December: 11.3 days
The month with the most sunshine days is September (17.7 days).
The month with the least sunshine days is December (11.3 days).
Average UV index in December
Grangermont, 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
Grangermont, France
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 36).
Average visibility in December
Grangermont, 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).
