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
Weather in December
Temperature
Écouen's progression into December involves a gentle drop in the average high-temperature, from a fresh 10.5°C (50.9°F) in November to a frosty 7°C (44.6°F). December nights in Écouen witness a mild cool down to an average low of 3°C (37.4°F).Humidity
January and December, with an average relative humidity of 86%, are the most humid months.Rainfall
The month with the most rainfall in Écouen is December, when the rain falls for 14.2 days and typically aggregates up to 31mm (1.22") of precipitation.Snowfall
Months with snowfall are January through March, November and December. The months with the most snowfall in Écouen are January, February and December, with an average 11mm (0.43") of accumulated snow.Daylight
The month with the shortest days is December, with an average of 8h and 18min of daylight.On the first day of December in Écouen, sunrise is at 08:23 and sunset at 16:55. On the last day of the month, sunrise is at 08:44 and sunset at 17:02 CET.
Sunshine
In December, the average sunshine in Écouen 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. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 2 during December leads to these advisories:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
How cold does it get in Écouen in December?
What is the most humid month in Écouen?
What is the average humidity in December in Écouen?
What is the rainiest month in Écouen?
How many days does it rain in December in Écouen?
What is the snowiest month in Écouen?
How much does it snow in Écouen in December?
What is the month with the shortest days in Écouen?
How many hours of daylight does Écouen have in December?
When are sunrise and sunset in December in Écouen?
How long on average sun shines in December in Écouen?
What are the months with the lowest UV index in Écouen?
How high is the UV index in December in Écouen?
Average temperature in December
Écouen, France
- Average high temperature in December: 7°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in December: 3°C
The month with the highest average low temperature is August (14.8°C).
The coldest months (with the lowest average low temperature) are January and February (1.8°C).
Average pressure in December
Écouen, France
- Average pressure in December: 1018.1mbar
The months with the highest atmospheric pressure are September and December (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.3mbar).
Average wind speed in December
Écouen, France
- Average wind speed in December: 15km/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 (10.1km/h).
Average humidity in December
Écouen, France
- Average humidity in December: 86%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Écouen, France
- Average rainfall in December: 31mm
The wettest month (with the highest rainfall) is December (31mm).
The driest month (with the least rainfall) is September (14mm).
Average rainfall days in December
Écouen, France
- Average rainfall days in December: 14.2 days
The month with the highest number of rainy days is July (14.5 days).
The month with the least rainy days is September (9.2 days).
Average snowfall in December
Écouen, France
- Average snowfall in December: 11mm
The months with the highest snowfall are January, February and December (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Écouen, France
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is February (2.2 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
Écouen, 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 18min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Écouen, France
- Average sunshine days in December: 12.9 days
The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is February (12.5 days).
Average UV index in December
Écouen, France
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Écouen, France
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 39).
Average visibility in December
Écouen, 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).
Écouen, France
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