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 denotes a minimal variation in the average high-temperature to a frosty 7.5°C (45.5°F) from November's 10.2°C (50.4°F). Bois-Guillaume's nighttime temperatures in December display a slight drop from daytime highs, averaging to a cold 2.9°C (37.2°F).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 89%.Rainfall
December is the month with the most rainfall in Bois-Guillaume. Rain falls for 16.2 days and accumulates 60mm (2.36") of precipitation.Snowfall
January through March, November and December are months with snowfall. In December, in Bois-Guillaume, it is snowing for 1.3 days. Throughout December, 12mm (0.47") of snow is accumulated. In Bois-Guillaume, during the entire year, snow falls for 7 days and aggregates up to 43mm (1.69") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 08:30 and sunset at 16:58. On the last day of December, sunrise is at 08:51 and sunset at 17:05 CET.
Sunshine
The average sunshine in December in Bois-Guillaume is 3.9h.UV index
The months with the lowest UV index in Bois-Guillaume, France, are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. To guard against the harmful effects of the Sun, minimize exposure during midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
What is the usual temperature for Bois-Guillaume in December?
What are the most humid months in Bois-Guillaume?
What is the average humidity in December in Bois-Guillaume?
What is the wettest month in Bois-Guillaume?
How many days does it rain in December in Bois-Guillaume?
How many days does it snow in December in Bois-Guillaume?
What is the month with the shortest days in Bois-Guillaume?
What is the average length of the day in December in Bois-Guillaume?
When is the sunrise / sunset in December in Bois-Guillaume?
How many hours of sunshine does Bois-Guillaume have in December?
When is the lowest UV index in Bois-Guillaume?
What is the UV index intensity in December in Bois-Guillaume?
Average temperature in December
Bois-Guillaume, France
- Average high temperature in December: 7.5°C
The warmest month (with the highest average high temperature) is August (22.1°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in December: 2.9°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).
Average pressure in December
Bois-Guillaume, France
- Average pressure in December: 1017.3mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in December
Bois-Guillaume, France
- Average wind speed in December: 17.3km/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 (11.5km/h).
Average humidity in December
Bois-Guillaume, France
- Average humidity in December: 89%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (79%).
Average rainfall in December
Bois-Guillaume, France
- Average rainfall in December: 60mm
The wettest month (with the highest rainfall) is December (60mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in December
Bois-Guillaume, France
- Average rainfall days in December: 16.2 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is September (12.1 days).
Average snowfall in December
Bois-Guillaume, France
- Average snowfall in December: 12mm
The month with the highest snowfall is January (14mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Bois-Guillaume, France
- Average snowfall days in December: 1.3 days
The month with the highest number of snowfall days is February (2.3 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
Bois-Guillaume, France
- Average daylight in December: 8h and 1min
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 12min).
- Average sunshine in December: 3h and 5min
The months with the most sunshine are June and July (Average sunshine: 9h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Bois-Guillaume, France
- Average sunshine days in December: 11.8 days
The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in December
Bois-Guillaume, France
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Bois-Guillaume, France
- Average cloud cover in December: 62
The months with the most cloud cover are January and November (Cloud cover 64).
The month with the least cloud cover is April (Cloud cover 46).
Average visibility in December
Bois-Guillaume, France
- Average visibility in December: 9km
The months with the highest visibility are February, March, April and December (9km).
The months with the lowest visibility are January, May, June, July, August, September, October and November (8km).
Bois-Guillaume, France
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