December weather forecastÉcly, France
December
Weather in December
The first month of the winter, December, is still a chilly month in Écly, France, with an average temperature fluctuating between 2°C (35.6°F) and 6.3°C (43.3°F).Temperature
The beginning of December brings a minor change in the average high-temperature, shifting from 9.5°C (49.1°F) in November to a still frosty 6.3°C (43.3°F). Écly encounters a small divergence from daytime high temperatures, averaging a low-temperature of 2°C (35.6°F) during December nights.Humidity
With an average relative humidity of 89%, December is the most humid month.Rainfall
The month with the most rainfall is December, when the rain falls for 14.2 days and typically aggregates up to 39mm (1.54") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Écly, during December, snow falls for 2.2 days and regularly aggregates up to 13mm (0.51") of snow. Throughout the year, there are 9.4 snowfall days, and 51mm (2.01") of snow is accumulated.Daylight
December has the shortest days of the year in Écly, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 08:18 and sunset at 16:45. On the last day of December, in Écly, sunrise is at 08:39 and sunset at 16:52 CET.
Sunshine
January and December, with an average of 3.8h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index in Écly are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. To guard against the harmful effects of the Sun, minimize exposure during midday. Boost your sun resistance with garments that are densely woven yet spacious. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Écly, France
- Average high temperature in December: 6.3°C
The warmest month (with the highest average high temperature) is August (24°C).
The month with the lowest average high temperature is January (4.9°C).
- Average low temperature in December: 2°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).
Average pressure in December
Écly, France
- Average pressure in December: 1018.1mbar
The month with the highest atmospheric pressure is December (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).
Average wind speed in December
Écly, France
- Average wind speed in December: 14.8km/h
The windiest month (with the highest average wind speed) is February (15.1km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in December
Écly, France
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (73%).
Average rainfall in December
Écly, France
- Average rainfall in December: 39mm
The wettest month (with the highest rainfall) is December (39mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in December
Écly, France
- Average rainfall days in December: 14.2 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is September (9.7 days).
Average snowfall in December
Écly, France
- Average snowfall in December: 13mm
The month with the highest snowfall is January (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Écly, France
- Average snowfall days in December: 2.2 days
The month with the highest number of snowfall days is February (2.9 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
Écly, France
- Average daylight in December: 8h and 12min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 3h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).
Average sunshine days in December
Écly, France
- Average sunshine days in December: 13 days
The month with the most sunshine days is September (17.4 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in December
Écly, 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
Écly, France
- Average cloud cover in December: 62
The month with the most cloud cover is December (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 38).
Average visibility in December
Écly, France
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, July, August and September (9km).
The months with the lowest visibility are January, May, June, October, November and December (8km).





