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
With the onset of December, the average high-temperature registers at a still fresh 10°C (50°F), subtly different from November's 12.7°C (54.9°F). During the month of December, the temperature in La Chapelle-sur-Erdre generally drops to a low average of 4.9°C (40.8°F).Humidity
January and December, with an average relative humidity of 86%, are the most humid months.Rainfall
December is the month with the most rainfall. Rain falls for 14.5 days and accumulates 66mm (2.6") of precipitation.Snowfall
In La Chapelle-sur-Erdre, snow does not fall in March, May through October and December.Daylight
With an average of 8h and 30min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 08:32 and sunset at 17:18. On the last day of the month, sunrise is at 08:53 and sunset at 17:25 CET.
Sunshine
In December, the average sunshine is 4.7h.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 reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 2 during December translates into the following guidance:
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 bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in La Chapelle-sur-Erdre?
What are the most humid months in La Chapelle-sur-Erdre?
What is the average humidity in December in La Chapelle-sur-Erdre?
What is the wettest month in La Chapelle-sur-Erdre?
How many days does it rain in December in La Chapelle-sur-Erdre?
When it does not snow in La Chapelle-sur-Erdre?
Does it snow in La Chapelle-sur-Erdre in December?
What is the month with the shortest days in La Chapelle-sur-Erdre?
How many hours of daylight does La Chapelle-sur-Erdre have in December?
What time are sunrise and sunset in December in La Chapelle-sur-Erdre?
How many hours of sunshine does La Chapelle-sur-Erdre have in December?
When is the lowest UV index in La Chapelle-sur-Erdre?
How high is the UV index in December in La Chapelle-sur-Erdre?
Average temperature in December
La Chapelle-sur-Erdre, France
- Average high temperature in December: 10°C
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (8.9°C).
- Average low temperature in December: 4.9°C
The months with the highest average low temperature are July and August (14°C).
The coldest month (with the lowest average low temperature) is February (2.9°C).
Average pressure in December
La Chapelle-sur-Erdre, France
- Average pressure in December: 1019.2mbar
The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).
Average wind speed in December
La Chapelle-sur-Erdre, France
- Average wind speed in December: 17.1km/h
The windiest month (with the highest average wind speed) is February (18km/h).
The calmest month (with the lowest average wind speed) is August (11.8km/h).
Average humidity in December
La Chapelle-sur-Erdre, France
- Average humidity in December: 86%
The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are August and September (74%).
Average rainfall in December
La Chapelle-sur-Erdre, France
- Average rainfall in December: 66mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is September (21mm).
Average rainfall days in December
La Chapelle-sur-Erdre, France
- Average rainfall days in December: 14.5 days
The month with the highest number of rainy days is January (16.3 days).
The month with the least rainy days is September (8.2 days).
Average snowfall in December
La Chapelle-sur-Erdre, France
- Average snowfall in December: 0mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are March, May, June, July, August, September, October and December (0mm).
Average snowfall days in December
La Chapelle-sur-Erdre, France
- Average snowfall days in December: 0.2 days
The months with the highest number of snowfall days are January and February (0.5 days).
The months with the least snowfall days are March, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
La Chapelle-sur-Erdre, France
- Average daylight in December: 8h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
La Chapelle-sur-Erdre, France
- Average sunshine days in December: 14.3 days
The month with the most sunshine days is September (20.2 days).
The month with the least sunshine days is November (11.6 days).
Average UV index in December
La Chapelle-sur-Erdre, 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
La Chapelle-sur-Erdre, France
- Average cloud cover in December: 51
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in December
La Chapelle-sur-Erdre, 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).
