December weather forecastSaint-Bois, France
December weather forecast for Saint-Bois, France: In Saint-Bois, in December, snow falls for 3.5 days, with typically accumulated 54mm (2.13") of snow. In Saint-Bois, in December, during 12.5 rainfall days, 117mm (4.61") of precipitation is typically accumulated.
December
Weather in December
The first month of the winter, December, is still a cold month in Saint-Bois, France, with an average temperature varying between -1.2°C (29.8°F) and 5.9°C (42.6°F).Temperature
Saint-Bois, France, records a mild change in average high-temperature during December, easing from a frosty 9.8°C (49.6°F) in November to a cold 5.9°C (42.6°F). Saint-Bois records an average nighttime low of -1.2°C (29.8°F) in December.Humidity
January and December, with an average relative humidity of 83%, are the most humid months.Rainfall
December is the month with the most rainfall. Rain falls for 12.5 days and accumulates 117mm (4.61") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Saint-Bois, in December, snow falls for 3.5 days, with typically accumulated 54mm (2.13") of snow. In Saint-Bois, during the entire year, snow falls for 13.6 days and aggregates up to 192mm (7.56") of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 07:58 and sunset at 16:55. On the last day of the month, sunrise is at 08:18 and sunset at 17:03 CET.
Sunshine
The average sunshine in December is 5.6h.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 estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Saint-Bois, France
- Average high temperature in December: 5.9°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 (4.3°C).
- Average low temperature in December: -1.2°C
The month with the highest average low temperature is July (11.6°C).
The coldest month (with the lowest average low temperature) is February (-2.9°C).
Average pressure in December
Saint-Bois, France
- Average pressure in December: 1021mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in December
Saint-Bois, France
- Average wind speed in December: 6.8km/h
The windiest month (with the highest average wind speed) is March (7.2km/h).
The calmest months (with the lowest average wind speed) are August and September (5.6km/h).
Average humidity in December
Saint-Bois, France
- Average humidity in December: 83%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Saint-Bois, France
- Average rainfall in December: 117mm
The wettest month (with the highest rainfall) is December (117mm).
The driest month (with the least rainfall) is September (40mm).
Average rainfall days in December
Saint-Bois, France
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is October (10.6 days).
Average snowfall in December
Saint-Bois, France
- Average snowfall in December: 54mm
The month with the highest snowfall is February (57mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Saint-Bois, France
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Saint-Bois, France
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 5h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in December
Saint-Bois, France
- Average sunshine days in December: 15 days
The month with the most sunshine days is October (18.5 days).
The months with the least sunshine days are May and June (8.1 days).
Average UV index in December
Saint-Bois, France
- Average UV index in December: 2
The months with the highest UV index are June and 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
Saint-Bois, France
- Average cloud cover in December: 40
The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Saint-Bois, France
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, June, July, August and November (9km).
The months with the lowest visibility are January, May, September, October and December (8km).
