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
Briollay's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's cool 12.1°C (53.8°F) to a frosty 9°C (48.2°F). Briollay, during December nights, witnesses an average temperature marginally cooler than its daytime highs, at an icy 4°C (39.2°F).Humidity
In Briollay, France, the average relative humidity in December is 86%.Rainfall
In Briollay, in December, it is raining for 13.7 days, with typically 38mm (1.5") of accumulated precipitation. Throughout the year, there are 143.3 rainfall days, and 350mm (13.78") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Briollay, in December, during 0.6 snowfall days, 2mm (0.08") of snow is typically accumulated. In Briollay, France, during the entire year, snow falls for 2.8 days and aggregates up to 13mm (0.51") of snow.Daylight
With an average of 8h and 30min of daylight, December has the shortest days of the year in Briollay.On the first day of December, sunrise is at 08:29 and sunset at 17:12. On the last day of the month, sunrise is at 08:49 and sunset at 17:20 CET.
Sunshine
In Briollay, the average sunshine in December is 4.6h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 2 in December translates into these instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Boost your sun resistance with garments that are densely woven yet spacious. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Briollay?
What is the average humidity in December in Briollay?
How much does it rain in Briollay in December?
How much does it snow in Briollay in December?
What is the month with the shortest days in Briollay?
How many hours of daylight does Briollay have in December?
When are sunrise and sunset in December in Briollay?
How many hours of sunshine does Briollay have in December?
When is the lowest UV index in Briollay?
What is the UV index reading in December in Briollay?
Average temperature in December
Briollay, France
- Average high temperature in December: 9°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (8°C).
- Average low temperature in December: 4°C
The months with the highest average low temperature are July and August (13.8°C).
The coldest month (with the lowest average low temperature) is February (2.1°C).
Average pressure in December
Briollay, 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
Briollay, France
- Average wind speed in December: 16.6km/h
The windiest month (with the highest average wind speed) is February (17.4km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in December
Briollay, France
- Average humidity in December: 86%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (72%).
Average rainfall in December
Briollay, France
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is November (42mm).
The driest month (with the least rainfall) is July (17mm).
Average rainfall days in December
Briollay, France
- Average rainfall days in December: 13.7 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is September (8.2 days).
Average snowfall in December
Briollay, France
- Average snowfall in December: 2mm
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
Briollay, France
- Average snowfall days in December: 0.6 days
The months with the highest number of snowfall days are January and February (0.8 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
Briollay, 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: 9h and 24min).
The months with the least sunshine are January and November (Average sunshine: 4h and 18min).
Average sunshine days in December
Briollay, France
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is November (13.3 days).
Average UV index in December
Briollay, France
- Average UV index in December: 2
The months with the highest UV index are May, 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
Briollay, France
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in December
Briollay, 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).
