December weather forecastBion, France
December
Weather in December
The first month of the winter, December, is still a chilly month in Bion, France, with an average temperature fluctuating between 8.8°C (47.8°F) and 4.9°C (40.8°F).Temperature
Welcoming December, Bion notes an average high-temperature of a chilly 8.8°C (47.8°F), nearly consistent with November's 11°C (51.8°F). Bion's nights throughout December are marked by an average low temperature of 4.9°C (40.8°F), a minor drop from the day's high.Humidity
The months with the highest humidity are January, November and December, with an average relative humidity of 86%.Rainfall
December is the month with the most rainfall in Bion. Rain falls for 18.4 days and accumulates 80mm (3.15") of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Bion, in December, snow falls for 1.4 days, with typically accumulated 10mm (0.39") of snow. Throughout the year, there are 7.7 snowfall days, and 43mm (1.69") of snow is accumulated.Daylight
The month with the shortest days in Bion is December, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 08:35 and sunset at 17:10. On the last day of December, sunrise is at 08:55 and sunset at 17:17 CET.
Sunshine
The average sunshine in December is 4.1h.UV index
The months with the lowest UV index 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 threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
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. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bion, France
- Average high temperature in December: 8.8°C
The warmest month (with the highest average high temperature) is August (21°C).
The month with the lowest average high temperature is January (7.7°C).
- Average low temperature in December: 4.9°C
The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).
Average pressure in December
Bion, 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 (1012.2mbar).
Average wind speed in December
Bion, France
- Average wind speed in December: 20.9km/h
The windiest month (with the highest average wind speed) is December (20.9km/h).
The calmest month (with the lowest average wind speed) is August (13.2km/h).
Average humidity in December
Bion, France
- Average humidity in December: 86%
The months with the highest relative humidity are January, November and December (86%).
The months with the lowest relative humidity are July, August and September (81%).
Average rainfall in December
Bion, France
- Average rainfall in December: 80mm
The wettest month (with the highest rainfall) is December (80mm).
The driest month (with the least rainfall) is September (25mm).
Average rainfall days in December
Bion, France
- Average rainfall days in December: 18.4 days
The month with the highest number of rainy days is January (19.3 days).
The month with the least rainy days is September (13.1 days).
Average snowfall in December
Bion, France
- Average snowfall in December: 10mm
The month with the highest snowfall is February (15mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Bion, France
- Average snowfall days in December: 1.4 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
Bion, France
- Average daylight in December: 8h and 24min
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 6min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are January and November (Average sunshine: 3h and 54min).
Average sunshine days in December
Bion, France
- Average sunshine days in December: 7.7 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (7.6 days).
Average UV index in December
Bion, 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
Bion, France
- Average cloud cover in December: 60
The months with the most cloud cover are January and November (Cloud cover 61).
The months with the least cloud cover are July and September (Cloud cover 42).
Average visibility in December
Bion, 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).





