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
December's arrival shows an average high-temperature of a chilly 8.2°C (46.8°F), hardly different from the previous month. A minor drop in temperature is observed from daytime highs in Coulaines during the nights of December, averaging a cold 3.2°C (37.8°F).Humidity
The months with the highest humidity in Coulaines, France, are January and December, with an average relative humidity of 88%.Rainfall
In Coulaines, in December, during 11.6 rainfall days, 29mm (1.14") of precipitation is typically accumulated. Throughout the year, in Coulaines, there are 147.2 rainfall days, and 323mm (12.72") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Coulaines, in December, snow falls for 0.5 days, with typically accumulated 3mm (0.12") of snow. In Coulaines, during the entire year, snow falls for 3.3 days and aggregates up to 20mm (0.79") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 08:28 and sunset at 17:08. On the last day of December, in Coulaines, sunrise is at 08:48 and sunset at 17:15 CET.
Sunshine
The average sunshine in December is 4.5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Coulaines. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
What is the usual temperature for Coulaines in December?
What are the most humid months in Coulaines?
What is the average humidity in December in Coulaines?
How many days does it rain in December in Coulaines?
How many days does it snow in December in Coulaines?
What is the month with the shortest days in Coulaines?
What is the average length of the day in December in Coulaines?
What time are sunrise and sunset in December in Coulaines?
How long on average sun shines in December in Coulaines?
What is the month with the lowest UV index in Coulaines?
What is the UV index intensity in December in Coulaines?
Average temperature in December
Coulaines, France
- Average high temperature in December: 8.2°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (7.1°C).
- Average low temperature in December: 3.2°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is February (1.8°C).
Average pressure in December
Coulaines, France
- Average pressure in December: 1018.9mbar
The month with the highest atmospheric pressure is December (1018.9mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).
Average wind speed in December
Coulaines, France
- Average wind speed in December: 16.1km/h
The windiest month (with the highest average wind speed) is February (17km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).
Average humidity in December
Coulaines, France
- Average humidity in December: 88%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Coulaines, France
- Average rainfall in December: 29mm
The wettest month (with the highest rainfall) is May (40mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days in December
Coulaines, France
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is September (8.5 days).
Average snowfall in December
Coulaines, France
- Average snowfall in December: 3mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Coulaines, France
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Coulaines, France
- Average daylight in December: 8h and 3min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 4h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Coulaines, France
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is September (19.6 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in December
Coulaines, 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
Coulaines, France
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 38).
Average visibility in December
Coulaines, France
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is May (8km).
Coulaines, France
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