December weather forecastGrimbosq, France
December
Weather in December
The first month of the winter, December, is still a chilly month in Grimbosq, France, with an average temperature varying between 5.1°C (41.2°F) and 8.7°C (47.7°F).Temperature
Grimbosq's shift into December sets the average high-temperature at a frosty 8.7°C (47.7°F), a figure that deviates only slightly from November's 11°C (51.8°F). Grimbosq's nighttime temperature in December shows a minor descent, with a steady average of 5.1°C (41.2°F).Humidity
In Grimbosq, the average relative humidity in December is 84%.Rainfall
The wettest months are November and December, with an average 59mm (2.32") of rainfall.Snowfall
Months with snowfall are January through April, November and December. In December, it is snowing for 1.5 days. Throughout December, 10mm (0.39") of snow is accumulated. In Grimbosq, France, during the entire year, snow falls for 8.6 days and aggregates up to 48mm (1.89") of snow.Daylight
December has the shortest days of the year in Grimbosq, with an average of 8h and 18min of daylight.On the first day of the month, sunrise is at 08:35 and sunset at 17:06. On the last day of December, sunrise is at 08:55 and sunset at 17:14 CET.
Sunshine
In Grimbosq, France, 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 Grimbosq, France. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Bear in mind! The Sun's UV radiation can nearly double in intensity 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
Grimbosq, 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
Grimbosq, 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
Grimbosq, 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
Grimbosq, 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
Grimbosq, 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
Grimbosq, 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
Grimbosq, 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
Grimbosq, 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
Grimbosq, France
- Average daylight in December: 8h and 18min
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 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
Grimbosq, 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
Grimbosq, 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
Grimbosq, 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
Grimbosq, 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).





