December weather forecastGruson, France
December
Weather in December
The first month of the winter, December, is also a frosty month in Gruson, France, with temperature in the range of an average high of 7°C (44.6°F) and an average low of 3°C (37.4°F).Temperature
As December arrives, Gruson's weather displays a minor decrease in high-temperatures, transitioning from November's cool 10°C (50°F) to a frosty 7°C (44.6°F). During the December nights, Gruson's temperature maintains an average close to the daytime highs, settling at a wintry 3°C (37.4°F).Humidity
January and December, with an average relative humidity of 87%, are the most humid months in Gruson.Rainfall
The month with the most rainfall in Gruson is December, when the rain falls for 15.8 days and typically aggregates up to 42mm (1.65") of precipitation.Snowfall
January through March, November and December are months with snowfall. In Gruson, during December, snow falls for 1.9 days and regularly aggregates up to 18mm (0.71") of snow. Throughout the year, in Gruson, there are 9.7 snowfall days, and 71mm (2.8") of snow is accumulated.Daylight
With an average of 8h and 6min of daylight, December has the shortest days of the year.On the first day of December in Gruson, sunrise is at 08:27 and sunset at 16:45. On the last day of the month, sunrise is at 08:48 and sunset at 16:52 CET.
Sunshine
The average sunshine in December in Gruson is 4.1h.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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gruson, France
- Average high temperature in December: 7°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (5.7°C).
- Average low temperature in December: 3°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in December
Gruson, France
- Average pressure in December: 1016.3mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).
Average wind speed in December
Gruson, France
- Average wind speed in December: 18km/h
The windiest month (with the highest average wind speed) is December (18km/h).
The calmest month (with the lowest average wind speed) is August (12.3km/h).
Average humidity in December
Gruson, France
- Average humidity in December: 87%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (73%).
Average rainfall in December
Gruson, France
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is December (42mm).
The driest month (with the least rainfall) is September (19mm).
Average rainfall days in December
Gruson, France
- Average rainfall days in December: 15.8 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is September (11.5 days).
Average snowfall in December
Gruson, France
- Average snowfall in December: 18mm
The month with the highest snowfall is February (24mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Gruson, France
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is February (3.3 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
Gruson, France
- Average daylight in December: 8h and 6min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in December: 4h and 6min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Gruson, France
- Average sunshine days in December: 12 days
The month with the most sunshine days is April (14.7 days).
The month with the least sunshine days is August (11.1 days).
Average UV index in December
Gruson, 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
Gruson, France
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in December
Gruson, 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).
