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
The arrival of December correlates with a minor temperature reduction, down from November's cool 10.5°C (50.9°F) to a chilly 7°C (44.6°F). The nighttime temperature in December experiences a minor dip, averaging an icy 2.7°C (36.9°F).Humidity
December is the most humid month in Boissise-la-Bertrand, with an average relative humidity of 87%.Rainfall
In Boissise-la-Bertrand, in December, it is raining for 17.5 days, with typically 59mm (2.32") of accumulated precipitation. Throughout the year, in Boissise-la-Bertrand, France, there are 194.1 rainfall days, and 555mm (21.85") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Boissise-la-Bertrand, during December, snow falls for 2.3 days and regularly aggregates up to 21mm (0.83") of snow. Throughout the year, there are 11.2 snowfall days, and 86mm (3.39") of snow is accumulated.Daylight
December has the shortest days of the year in Boissise-la-Bertrand, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 08:20 and sunset at 16:56. On the last day of December, in Boissise-la-Bertrand, sunrise is at 08:41 and sunset at 17:04 CET.
Sunshine
In Boissise-la-Bertrand, France, the average sunshine in December 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 reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 during December translates into the following directions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. 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
How cold does it get in Boissise-la-Bertrand in December?
What is the most humid month in Boissise-la-Bertrand?
What is the average humidity in December in Boissise-la-Bertrand?
How much does it rain in Boissise-la-Bertrand in December?
How many days does it snow in December in Boissise-la-Bertrand?
What is the month with the shortest days in Boissise-la-Bertrand?
How many hours of daylight does Boissise-la-Bertrand have in December?
What time are sunrise and sunset in December in Boissise-la-Bertrand?
How many hours of sunshine does Boissise-la-Bertrand have in December?
What is the month with the lowest UV index in Boissise-la-Bertrand?
What is the UV index intensity in December in Boissise-la-Bertrand?
Average temperature in December
Boissise-la-Bertrand, France
- Average high temperature in December: 7°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 (5.8°C).
- Average low temperature in December: 2.7°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in December
Boissise-la-Bertrand, France
- Average pressure in December: 1018.6mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in December
Boissise-la-Bertrand, France
- Average wind speed in December: 15.1km/h
The windiest month (with the highest average wind speed) is February (15.5km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in December
Boissise-la-Bertrand, France
- Average humidity in December: 87%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Boissise-la-Bertrand, France
- Average rainfall in December: 59mm
The wettest month (with the highest rainfall) is June (64mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in December
Boissise-la-Bertrand, France
- Average rainfall days in December: 17.5 days
The months with the highest number of rainy days are May and June (18.7 days).
The month with the least rainy days is September (11.7 days).
Average snowfall in December
Boissise-la-Bertrand, France
- Average snowfall in December: 21mm
The month with the highest snowfall is January (33mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Boissise-la-Bertrand, France
- Average snowfall days in December: 2.3 days
The month with the highest number of snowfall days is January (3.7 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
Boissise-la-Bertrand, 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 24min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Boissise-la-Bertrand, France
- Average sunshine days in December: 9 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is June (8.2 days).
Average UV index in December
Boissise-la-Bertrand, 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
Boissise-la-Bertrand, France
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 36).
Average visibility in December
Boissise-la-Bertrand, 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).
