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 arrival of December corresponds with a light shift in temperature, down from a cool 10.1°C (50.2°F) in November to a chilly 7°C (44.6°F). Boissy-lès-Perche's average low temperature, barely cooler than the daytime high, steadies at a wintry 2.7°C (36.9°F) during December.Humidity
The months with the highest humidity in Boissy-lès-Perche are January and December, with an average relative humidity of 88%.Rainfall
In December, the rain falls for 14.3 days. Throughout December, 47mm (1.85") of precipitation is accumulated. Throughout the year, in Boissy-lès-Perche, there are 170 rainfall days, and 466mm (18.35") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. The month with the most snowfall is December, when snow falls for 2 days and typically aggregates up to 26mm (1.02") of snow.Daylight
With an average of 8h and 24min of daylight, December has the shortest days of the year in Boissy-lès-Perche.On the first day of December in Boissy-lès-Perche, France, sunrise is at 08:28 and sunset at 17:02. On the last day of the month, sunrise is at 08:49 and sunset at 17:10 CET.
Sunshine
In December, the average sunshine 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 value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
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. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
Is December cold in Boissy-lès-Perche?
What is the most humid month in Boissy-lès-Perche?
What is the average humidity in December in Boissy-lès-Perche?
How much does it rain in Boissy-lès-Perche in December?
When does it snow the most in Boissy-lès-Perche?
How many days does it snow in December in Boissy-lès-Perche?
What is the month with the shortest days in Boissy-lès-Perche?
What is the average length of the day in December in Boissy-lès-Perche?
When are sunrise and sunset in December in Boissy-lès-Perche?
How long on average sun shines in December in Boissy-lès-Perche?
When is the lowest UV index in Boissy-lès-Perche?
How high is the UV index in December in Boissy-lès-Perche?
Average temperature in December
Boissy-lès-Perche, France
- Average high temperature in December: 7°C
The warmest month (with the highest average high temperature) is August (23.4°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in December: 2.7°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).
Average pressure in December
Boissy-lès-Perche, 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 (1013.1mbar).
Average wind speed in December
Boissy-lès-Perche, France
- Average wind speed in December: 17.5km/h
The windiest month (with the highest average wind speed) is February (17.7km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in December
Boissy-lès-Perche, France
- Average humidity in December: 88%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is August (73%).
Average rainfall in December
Boissy-lès-Perche, France
- Average rainfall in December: 47mm
The wettest month (with the highest rainfall) is June (58mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days in December
Boissy-lès-Perche, France
- Average rainfall days in December: 14.3 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is February (11.5 days).
Average snowfall in December
Boissy-lès-Perche, France
- Average snowfall in December: 26mm
The month with the highest snowfall is December (26mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Boissy-lès-Perche, France
- Average snowfall days in December: 2 days
The month with the highest number of snowfall days is January (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
Boissy-lès-Perche, 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 July (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Boissy-lès-Perche, France
- Average sunshine days in December: 12.9 days
The month with the most sunshine days is September (15.6 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in December
Boissy-lès-Perche, 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-lès-Perche, France
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 40).
Average visibility in December
Boissy-lès-Perche, France
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, May and June (8km).
Boissy-lès-Perche, France
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