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
The shift into December uncovers an average high-temperature of a chilly 8.7°C (47.7°F), subtly different from the previous month. An average nighttime temperature of 5.1°C (41.2°F) marks December.Humidity
The average relative humidity in December is 84%.Rainfall
The months with the most rainfall are November and December, with an average 59mm (2.32") of precipitation.Snowfall
Months with snowfall in Boulon are January through April, November and December. In Boulon, France, in December, snow falls for 1.5 days, with typically accumulated 10mm (0.39") of snow. Throughout the year, there are 8.6 snowfall days, and 48mm (1.89") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 18min of daylight.On the first day of the month, sunrise is at 08:34 and sunset at 17:06. On the last day of December, in Boulon, sunrise is at 08:55 and sunset at 17:13 CET.
Sunshine
In Boulon, the average sunshine in December is 4.4h.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 of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 2 in December translates into this advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. When the Sun is at its strongest around midday, find shade and limit exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What are December temperatures in Boulon?
What is the average humidity in December in Boulon?
What is the wettest month in Boulon?
How much does it rain in Boulon in December?
How much does it snow in Boulon in December?
What is the month with the shortest days in Boulon?
How many hours of daylight does Boulon have in December?
When are sunrise and sunset in December in Boulon?
How many hours of sunshine does Boulon have in December?
What are the months with the lowest UV index in Boulon?
What is the UV index intensity in December in Boulon?
Average temperature in December
Boulon, France
- Average high temperature in December: 8.7°C
The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (7.6°C).
- Average low temperature in December: 5.1°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 (3.7°C).
Average pressure in December
Boulon, France
- Average pressure in December: 1017.4mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in December
Boulon, France
- Average wind speed in December: 23.2km/h
The windiest month (with the highest average wind speed) is December (23.2km/h).
The calmest month (with the lowest average wind speed) is August (14.4km/h).
Average humidity in December
Boulon, France
- Average humidity in December: 84%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (80%).
Average rainfall in December
Boulon, France
- Average rainfall in December: 59mm
The wettest months (with the highest rainfall) are November and December (59mm).
The driest month (with the least rainfall) is September (27mm).
Average rainfall days in December
Boulon, France
- Average rainfall days in December: 17 days
The month with the highest number of rainy days is January (18.2 days).
The month with the least rainy days is September (12.9 days).
Average snowfall in December
Boulon, France
- Average snowfall in December: 10mm
The month with the highest snowfall is February (18mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Boulon, France
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (2.8 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
Boulon, France
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 4h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Boulon, France
- Average sunshine days in December: 10.9 days
The month with the most sunshine days is September (14.8 days).
The months with the least sunshine days are January, February and November (9.3 days).
Average UV index in December
Boulon, France
- Average UV index in December: 2
The months with the highest UV index are 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
Boulon, France
- Average cloud cover in December: 58
The months with the most cloud cover are January and November (Cloud cover 59).
The months with the least cloud cover are July, August and September (Cloud cover 40).
Average visibility in December
Boulon, France
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, July, August, September, October and December (10km).
The months with the lowest visibility are January, May, June and November (9km).
Boulon, France
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