December weather forecastGroslée, France
December
Weather in December
December, the first month of the winter in Groslée, is also a wintry month, with an average temperature ranging between max 5.9°C (42.6°F) and min -1.2°C (29.8°F).Temperature
In December, the meteorological conditions change slightly, with the average high-temperature moving from a frosty 9.8°C (49.6°F) in November to a wintry 5.9°C (42.6°F). An average nighttime temperature of -1.2°C (29.8°F) is witnessed in Groslée, France throughout December.Humidity
The months with the highest humidity in Groslée are January and December, with an average relative humidity of 83%.Rainfall
The month with the most rainfall is December, when the rain falls for 12.5 days and typically aggregates up to 117mm (4.61") of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 3.5 days. Throughout December, 54mm (2.13") of snow is accumulated. In Groslée, during the entire year, snow falls for 13.6 days and aggregates up to 192mm (7.56") of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year in Groslée, France.On the first day of the month, sunrise is at 07:58 and sunset at 16:55. On the last day of December, in Groslée, sunrise is at 08:18 and sunset at 17:03 CET.
Sunshine
In December, the average sunshine in Groslée is 5.6h.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 reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Experience reduced UV exposure by about half when donning a wide-brim hat. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Groslée, France
- Average high temperature in December: 5.9°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 (4.3°C).
- Average low temperature in December: -1.2°C
The month with the highest average low temperature is July (11.6°C).
The coldest month (with the lowest average low temperature) is February (-2.9°C).
Average pressure in December
Groslée, France
- Average pressure in December: 1021mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in December
Groslée, France
- Average wind speed in December: 6.8km/h
The windiest month (with the highest average wind speed) is March (7.2km/h).
The calmest months (with the lowest average wind speed) are August and September (5.6km/h).
Average humidity in December
Groslée, France
- Average humidity in December: 83%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Groslée, France
- Average rainfall in December: 117mm
The wettest month (with the highest rainfall) is December (117mm).
The driest month (with the least rainfall) is September (40mm).
Average rainfall days in December
Groslée, France
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is October (10.6 days).
Average snowfall in December
Groslée, France
- Average snowfall in December: 54mm
The month with the highest snowfall is February (57mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Groslée, France
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Groslée, France
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 5h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in December
Groslée, France
- Average sunshine days in December: 15 days
The month with the most sunshine days is October (18.5 days).
The months with the least sunshine days are May and June (8.1 days).
Average UV index in December
Groslée, France
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Groslée, France
- Average cloud cover in December: 40
The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Groslée, France
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, June, July, August and November (9km).
The months with the lowest visibility are January, May, September, October and December (8km).
