December weather forecastGrentheville, France
December
Weather in December
December, the first month of the winter in Grentheville, is also a frosty month, with an average temperature ranging between max 8.7°C (47.7°F) and min 5.1°C (41.2°F).Temperature
The introduction of December sees an average high-temperature of a frosty 8.7°C (47.7°F), hardly deviating from November. Grentheville maintains an average low-temperature of 5.1°C (41.2°F) throughout December's nights.Humidity
In December, the average relative humidity is 84%.Rainfall
The wettest months in Grentheville are November and December, with an average 59mm (2.32") of rainfall.Snowfall
Months with snowfall in Grentheville are January through April, November and December. In Grentheville, France, during December, snow falls for 1.5 days and regularly aggregates up to 10mm (0.39") of snow. In Grentheville, during the entire year, snow falls for 8.6 days and aggregates up to 48mm (1.89") of snow.Daylight
The month with the shortest days in Grentheville is December, with an average of 8h and 18min of daylight.On the first day of December in Grentheville, France, sunrise is at 08:34 and sunset at 17:05. On the last day of the month, sunrise is at 08:55 and sunset at 17:13 CET.
Sunshine
In Grentheville, the average sunshine in December is 4.4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Grentheville. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Enhance your sun protection with tightly woven, yet airy clothing. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grentheville, France
- Average high temperature in December: 8.7°C
The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (7.6°C).
- Average low temperature in December: 5.1°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is February (3.7°C).
Average pressure in December
Grentheville, France
- Average pressure in December: 1017.4mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in December
Grentheville, France
- Average wind speed in December: 23.2km/h
The windiest month (with the highest average wind speed) is December (23.2km/h).
The calmest month (with the lowest average wind speed) is August (14.4km/h).
Average humidity in December
Grentheville, France
- Average humidity in December: 84%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (80%).
Average rainfall in December
Grentheville, France
- Average rainfall in December: 59mm
The wettest months (with the highest rainfall) are November and December (59mm).
The driest month (with the least rainfall) is September (27mm).
Average rainfall days in December
Grentheville, France
- Average rainfall days in December: 17 days
The month with the highest number of rainy days is January (18.2 days).
The month with the least rainy days is September (12.9 days).
Average snowfall in December
Grentheville, France
- Average snowfall in December: 10mm
The month with the highest snowfall is February (18mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Grentheville, France
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Grentheville, France
- Average daylight in December: 8h and 18min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 4h and 24min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Grentheville, France
- Average sunshine days in December: 10.9 days
The month with the most sunshine days is September (14.8 days).
The months with the least sunshine days are January, February and November (9.3 days).
Average UV index in December
Grentheville, France
- Average UV index in December: 2
The months with the highest UV index are 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
Grentheville, France
- Average cloud cover in December: 58
The months with the most cloud cover are January and November (Cloud cover 59).
The months with the least cloud cover are July, August and September (Cloud cover 40).
Average visibility in December
Grentheville, France
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, July, August, September, October and December (10km).
The months with the lowest visibility are January, May, June and November (9km).
