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
With the arrival of December, Bessancourt experiences a modest decline in average high-temperatures, transitioning from a fresh 10.5°C (50.9°F) in November to a chilly 7.4°C (45.3°F). Bessancourt logs an average low-temperature of 3.1°C (37.6°F) during the nights of December, subtly lower than its daytime highs.Humidity
The months with the highest humidity in Bessancourt are January and December, with an average relative humidity of 86%.Rainfall
The month with the most rainfall is December, when the rain falls for 11.6 days and typically aggregates up to 18mm (0.71") of precipitation.Snowfall
Months with snowfall in Bessancourt are January through March, November and December. In Bessancourt, in December, during 1.1 snowfall days, 2mm (0.08") of snow is typically accumulated. Throughout the year, there are 5.6 snowfall days, and 17mm (0.67") of snow is accumulated.Daylight
With an average of 8h and 18min of daylight, December has the shortest days of the year in Bessancourt.On the first day of the month, sunrise is at 08:24 and sunset at 16:56. On the last day of December, in Bessancourt, sunrise is at 08:45 and sunset at 17:03 CET.
Sunshine
In December, the average sunshine in Bessancourt, France, 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 in Bessancourt. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. 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. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
What are the temperatures in Bessancourt in December?
What is the most humid month in Bessancourt?
What is the average humidity in December in Bessancourt?
What is the rainiest month in Bessancourt?
How much does it rain in Bessancourt in December?
How many days does it snow in December in Bessancourt?
What is the month with the shortest days in Bessancourt?
What is the average length of the day in December in Bessancourt?
When is the sunrise / sunset in December in Bessancourt?
How long on average sun shines in December in Bessancourt?
When is the lowest UV index in Bessancourt?
How high is the UV index in December in Bessancourt?
Average temperature in December
Bessancourt, France
- Average high temperature in December: 7.4°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in December: 3.1°C
The month with the highest average low temperature is August (14.8°C).
The coldest months (with the lowest average low temperature) are January and February (1.8°C).
Average pressure in December
Bessancourt, France
- Average pressure in December: 1018.1mbar
The months with the highest atmospheric pressure are September and December (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.3mbar).
Average wind speed in December
Bessancourt, 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 (10.1km/h).
Average humidity in December
Bessancourt, France
- Average humidity in December: 86%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Bessancourt, France
- Average rainfall in December: 18mm
The wettest month (with the highest rainfall) is December (18mm).
The driest month (with the least rainfall) is September (6mm).
Average rainfall days in December
Bessancourt, France
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is July (12.5 days).
The month with the least rainy days is September (7.6 days).
Average snowfall in December
Bessancourt, France
- Average snowfall in December: 2mm
The month with the highest snowfall is January (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Bessancourt, France
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is February (2.1 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
Bessancourt, 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 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Bessancourt, France
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is September (19.6 days).
The months with the least sunshine days are February and July (14.3 days).
Average UV index in December
Bessancourt, France
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Bessancourt, 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 38).
Average visibility in December
Bessancourt, 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).
Bessancourt, France
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