December weather forecastHénu, France
December
Weather in December
December, the first month of the winter in Hénu, is still a chilly month, with temperature in the range of an average low of 2.6°C (36.7°F) and an average high of 6.7°C (44.1°F).Temperature
As November transitions into December, Hénu sees a gentle drop in the average high-temperature, transitioning from a chilly 9.9°C (49.8°F) to a still frosty 6.7°C (44.1°F). In Hénu, December's low temperatures hover around an icy 2.6°C (36.7°F), reflecting a minor decrease from the daytime highs.Humidity
January and December, with an average relative humidity of 88%, are the most humid months in Hénu, France.Rainfall
December is the month with the most rainfall. Rain falls for 15.8 days and accumulates 49mm (1.93") of precipitation.Snowfall
Months with snowfall in Hénu are January through March, November and December. In December, it is snowing for 1.7 days. Throughout December, 16mm (0.63") of snow is accumulated. Throughout the year, in Hénu, there are 8.4 snowfall days, and 64mm (2.52") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 6min of daylight.On the first day of the month, sunrise is at 08:27 and sunset at 16:50. On the last day of December, sunrise is at 08:48 and sunset at 16:57 CET.
Sunshine
In December, the average sunshine is 4.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Hénu, France. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 2 in December translates into this advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hénu, France
- Average high temperature in December: 6.7°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (5.5°C).
- Average low temperature in December: 2.6°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in December
Hénu, France
- Average pressure in December: 1016.6mbar
The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1012.4mbar).
Average wind speed in December
Hénu, France
- Average wind speed in December: 18.3km/h
The windiest month (with the highest average wind speed) is February (18.4km/h).
The calmest month (with the lowest average wind speed) is August (12.3km/h).
Average humidity in December
Hénu, France
- Average humidity in December: 88%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Hénu, France
- Average rainfall in December: 49mm
The wettest month (with the highest rainfall) is December (49mm).
The driest month (with the least rainfall) is September (21mm).
Average rainfall days in December
Hénu, France
- Average rainfall days in December: 15.8 days
The month with the highest number of rainy days is December (15.8 days).
The month with the least rainy days is February (11.3 days).
Average snowfall in December
Hénu, France
- Average snowfall in December: 16mm
The month with the highest snowfall is February (22mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Hénu, France
- Average snowfall days in December: 1.7 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
Hénu, France
- Average daylight in December: 8h and 6min
The month with the longest days is June (Average daylight: 16h and 18min).
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 42min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Hénu, France
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is April (16.6 days).
The month with the least sunshine days is December (11.5 days).
Average UV index in December
Hénu, 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
Hénu, 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
Hénu, 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).





