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 ushers in a minute temperature change, with average high-temperatures reducing from November's frosty 9.9°C (49.8°F) to a still chilly 6.7°C (44.1°F). Boissy-le-Bois's nighttime temperature in December consistently rests at a cold 2.5°C (36.5°F).Humidity
The most humid month in Boissy-le-Bois is December, with an average relative humidity of 89%.Rainfall
The month with the most rainfall is December, when the rain falls for 15.9 days and typically aggregates up to 55mm (2.17") of precipitation.Snowfall
Months with snowfall in Boissy-le-Bois are January through March, November and December. In Boissy-le-Bois, France, in December, during 2.4 snowfall days, 21mm (0.83") of snow is typically accumulated. Throughout the year, there are 8.8 snowfall days, and 72mm (2.83") of snow is accumulated.Daylight
With an average of 8h and 18min of daylight, December has the shortest days of the year.On the first day of December in Boissy-le-Bois, sunrise is at 08:26 and sunset at 16:56. On the last day of the month, sunrise is at 08:47 and sunset at 17:03 CET.
Sunshine
In December, the average sunshine in Boissy-le-Bois, France, is 3.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Boissy-le-Bois, France. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 2 in December translates into this advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. During bright days, sunglasses that offer UVA and UVB defense are recommended. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
How cold does it get in Boissy-le-Bois in December?
What is the most humid month in Boissy-le-Bois?
What is the average humidity in December in Boissy-le-Bois?
What is the rainiest month in Boissy-le-Bois?
How much does it rain in Boissy-le-Bois in December?
How much does it snow in Boissy-le-Bois in December?
What is the month with the shortest days in Boissy-le-Bois?
How many hours of daylight does Boissy-le-Bois have in December?
When is the sunrise / sunset in December in Boissy-le-Bois?
How many hours of sunshine does Boissy-le-Bois have in December?
What is the month with the lowest UV index in Boissy-le-Bois?
What is the UV index reading in December in Boissy-le-Bois?
Average temperature in December
Boissy-le-Bois, France
- Average high temperature in December: 6.7°C
The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (5.5°C).
- Average low temperature in December: 2.5°C
The month with the highest average low temperature is August (13.1°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in December
Boissy-le-Bois, France
- Average pressure in December: 1017.5mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.8mbar).
Average wind speed in December
Boissy-le-Bois, France
- Average wind speed in December: 17.1km/h
The windiest month (with the highest average wind speed) is February (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in December
Boissy-le-Bois, France
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Boissy-le-Bois, France
- Average rainfall in December: 55mm
The wettest month (with the highest rainfall) is December (55mm).
The driest month (with the least rainfall) is September (21mm).
Average rainfall days in December
Boissy-le-Bois, France
- Average rainfall days in December: 15.9 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (11.3 days).
Average snowfall in December
Boissy-le-Bois, France
- Average snowfall in December: 21mm
The month with the highest snowfall is January (23mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Boissy-le-Bois, France
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is February (2.7 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
Boissy-le-Bois, France
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is June (Average sunshine: 8h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Boissy-le-Bois, France
- Average sunshine days in December: 10.6 days
The month with the most sunshine days is March (15.7 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in December
Boissy-le-Bois, 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
Boissy-le-Bois, France
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are August and September (Cloud cover 43).
Average visibility in December
Boissy-le-Bois, France
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, June, July, August, September, October and December (9km).
The months with the lowest visibility are January, May and November (8km).
Boissy-le-Bois, France
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