December weather forecastLes Clefs, France
December
Weather in December
The first month of the winter, December, is also a wintry month in Les Clefs, France, with an average temperature fluctuating between 2.4°C (36.3°F) and -4.5°C (23.9°F).Temperature
December is characterized by a slight reduction in average high-temperature, easing from a frosty 6.7°C (44.1°F) in November to an icy 2.4°C (36.3°F). During December, the nighttime temperature averages to a freezing cold -4.5°C (23.9°F).Humidity
In December, the average relative humidity in Les Clefs is 83%.Rainfall
In December, the rain falls for 6.1 days. Throughout December, 66mm (2.6") of precipitation is accumulated. In Les Clefs, during the entire year, the rain falls for 123.4 days and collects up to 594mm (23.39") of precipitation.Snowfall
Months with snowfall are January through June, October through December. In Les Clefs, in December, snow falls for 9.6 days, with typically accumulated 268mm (10.55") of snow. In Les Clefs, during the entire year, snow falls for 58.2 days and aggregates up to 1313mm (51.69") of snow.Daylight
With an average of 8h and 42min of daylight, December has the shortest days of the year in Les Clefs.On the first day of the month, sunrise is at 07:56 and sunset at 16:51. On the last day of December, sunrise is at 08:15 and sunset at 16:59 CET.
Sunshine
The month with the least sunshine in Les Clefs is December, with an average of 5.3h of sunshine.UV index
The months with the lowest UV index in Les Clefs are January through March, 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 exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Les Clefs, France
- Average high temperature in December: 2.4°C
The warmest month (with the highest average high temperature) is August (21°C).
The month with the lowest average high temperature is January (0.9°C).
- Average low temperature in December: -4.5°C
The month with the highest average low temperature is August (9.5°C).
The coldest month (with the lowest average low temperature) is February (-7.3°C).
Average pressure in December
Les Clefs, 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
Les Clefs, France
- Average wind speed in December: 7.9km/h
The windiest month (with the highest average wind speed) is December (7.9km/h).
The calmest months (with the lowest average wind speed) are August and September (6.2km/h).
Average humidity in December
Les Clefs, France
- Average humidity in December: 83%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Les Clefs, France
- Average rainfall in December: 66mm
The wettest month (with the highest rainfall) is May (76mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in December
Les Clefs, France
- Average rainfall days in December: 6.1 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in December
Les Clefs, France
- Average snowfall in December: 268mm
The month with the highest snowfall is January (298mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in December
Les Clefs, France
- Average snowfall days in December: 9.6 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Les Clefs, France
- Average daylight in December: 8h and 42min
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 42min).
- Average sunshine in December: 5h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Les Clefs, France
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in December
Les Clefs, 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, March, November and December (UV index 2).
Average cloud cover in December
Les Clefs, France
- Average cloud cover in December: 43
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Les Clefs, France
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January and February (7km).
