Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
During the shift to December, a minor reduction in average high-temperature is observed, shifting from a cool 10.5°C (50.9°F) in November to a frosty 7°C (44.6°F). Les Écrennes notes an average temperature descent to an icy 2.7°C (36.9°F) in December, a small shift from its daytime peak.Humidity
December is the most humid month, with an average relative humidity of 87%.Rainfall
In Les Écrennes, in December, during 17.5 rainfall days, 59mm (2.32") of precipitation is typically accumulated. In Les Écrennes, during the entire year, the rain falls for 194.1 days and collects up to 555mm (21.85") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Les Écrennes, in December, snow falls for 2.3 days, with typically accumulated 21mm (0.83") of snow. In Les Écrennes, during the entire year, snow falls for 11.2 days and aggregates up to 86mm (3.39") of snow.Daylight
With an average of 8h and 24min of daylight, December has the shortest days of the year.On the first day of December in Les Écrennes, France, sunrise is at 08:19 and sunset at 16:55. On the last day of the month, sunrise is at 08:40 and sunset at 17:03 CET.
Sunshine
In Les Écrennes, the average sunshine in December is 4.2h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Les Écrennes?
What is the most humid month in Les Écrennes?
What is the average humidity in December in Les Écrennes?
How many days does it rain in December in Les Écrennes?
How many days does it snow in December in Les Écrennes?
What is the month with the shortest days in Les Écrennes?
What is the average length of the day in December in Les Écrennes?
What time are sunrise and sunset in December in Les Écrennes?
How long on average sun shines in December in Les Écrennes?
What is the month with the lowest UV index in Les Écrennes?
How high is the UV index in December in Les Écrennes?
Average temperature in December
Les Écrennes, France
- Average high temperature in December: 7°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 (5.8°C).
- Average low temperature in December: 2.7°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in December
Les Écrennes, France
- Average pressure in December: 1018.6mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in December
Les Écrennes, France
- Average wind speed in December: 15.1km/h
The windiest month (with the highest average wind speed) is February (15.5km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in December
Les Écrennes, France
- Average humidity in December: 87%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Les Écrennes, France
- Average rainfall in December: 59mm
The wettest month (with the highest rainfall) is June (64mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in December
Les Écrennes, France
- Average rainfall days in December: 17.5 days
The months with the highest number of rainy days are May and June (18.7 days).
The month with the least rainy days is September (11.7 days).
Average snowfall in December
Les Écrennes, France
- Average snowfall in December: 21mm
The month with the highest snowfall is January (33mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Les Écrennes, France
- Average snowfall days in December: 2.3 days
The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Les Écrennes, France
- Average daylight in December: 8h and 2min
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 24min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Les Écrennes, France
- Average sunshine days in December: 9 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is June (8.2 days).
Average UV index in December
Les Écrennes, 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
Les Écrennes, France
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 36).
Average visibility in December
Les Écrennes, France
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).
