December weather forecastErcuis, France
December
Weather in December
December, the first month of the winter in Ercuis, is also a frosty month, with temperature in the range of an average low of 2.7°C (36.9°F) and an average high of 6.8°C (44.2°F).Temperature
The shift from November to December includes a minor decrease in the average high-temperature, lightly dropping from a fresh 10.1°C (50.2°F) to a chilly 6.8°C (44.2°F). Ercuis documents an average low-temperature of 2.7°C (36.9°F) for the nights of December.Humidity
The months with the highest humidity in Ercuis, France, are January and December, with an average relative humidity of 87%.Rainfall
December is the month with the most rainfall. Rain falls for 17.7 days and accumulates 62mm (2.44") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Ercuis, France, in December, during 2.5 snowfall days, 17mm (0.67") of snow is typically accumulated. In Ercuis, during the entire year, snow falls for 11.3 days and aggregates up to 93mm (3.66") of snow.Daylight
With an average of 8h and 18min of daylight, December has the shortest days of the year.On the first day of December in Ercuis, sunrise is at 08:24 and sunset at 16:55. On the last day of the month, sunrise is at 08:45 and sunset at 17:02 CET.
Sunshine
In December, the average sunshine 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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In December, the UV index of 2 transforms into the following advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ercuis, France
- Average high temperature in December: 6.8°C
The warmest month (with the highest average high temperature) is August (23.8°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 (13.9°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in December
Ercuis, France
- Average pressure in December: 1017.8mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1013.1mbar).
Average wind speed in December
Ercuis, France
- Average wind speed in December: 15.6km/h
The windiest month (with the highest average wind speed) is February (16km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in December
Ercuis, France
- Average humidity in December: 87%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (72%).
Average rainfall in December
Ercuis, France
- Average rainfall in December: 62mm
The wettest month (with the highest rainfall) is December (62mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in December
Ercuis, France
- Average rainfall days in December: 17.7 days
The month with the highest number of rainy days is June (19.3 days).
The month with the least rainy days is September (12 days).
Average snowfall in December
Ercuis, France
- Average snowfall in December: 17mm
The month with the highest snowfall is January (36mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Ercuis, France
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is February (4 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
Ercuis, France
- Average daylight in December: 8h and 18min
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 18min).
- Average sunshine in December: 4h and 12min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Ercuis, France
- Average sunshine days in December: 8.3 days
The month with the most sunshine days is September (13.7 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in December
Ercuis, 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
Ercuis, France
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 39).
Average visibility in December
Ercuis, 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).
