December weather forecastBron, France
December
Weather in December
December, the first month of the winter in Bron, is still a chilly month, with an average temperature ranging between max 6.7°C (44.1°F) and min 1.5°C (34.7°F).Temperature
The start of December comes with a small reduction in the average high-temperature, subtly receding from a fresh 10.4°C (50.7°F) in November to a chilly 6.7°C (44.1°F). December witnesses an average low-temperature hovering around a cold 1.5°C (34.7°F).Humidity
With an average relative humidity of 85%, December is the most humid month.Rainfall
In December, in Bron, the rain falls for 16 days. Throughout December, 68mm (2.68") of precipitation is accumulated. Throughout the year, there are 191.8 rainfall days, and 744mm (29.29") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, October through December. In Bron, in December, snow falls for 4.2 days, with typically accumulated 35mm (1.38") of snow. In Bron, during the entire year, snow falls for 19.4 days and aggregates up to 149mm (5.87") 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 the month, sunrise is at 08:01 and sunset at 16:57. On the last day of December, sunrise is at 08:21 and sunset at 17:05 CET.
Sunshine
In Bron, the average sunshine in December is 4.7h.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 value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 2 during December translates 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. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bron, France
- Average high temperature in December: 6.7°C
The warmest month (with the highest average high temperature) is August (26.1°C).
The month with the lowest average high temperature is January (5.4°C).
- Average low temperature in December: 1.5°C
The months with the highest average low temperature are July and August (14.8°C).
The coldest month (with the lowest average low temperature) is January (0.2°C).
Average pressure in December
Bron, France
- Average pressure in December: 1021.3mbar
The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in December
Bron, France
- Average wind speed in December: 10.7km/h
The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).
Average humidity in December
Bron, France
- Average humidity in December: 85%
The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Bron, France
- Average rainfall in December: 68mm
The wettest month (with the highest rainfall) is November (83mm).
The driest month (with the least rainfall) is September (41mm).
Average rainfall days in December
Bron, France
- Average rainfall days in December: 16 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is September (12.1 days).
Average snowfall in December
Bron, France
- Average snowfall in December: 35mm
The months with the highest snowfall are January and February (40mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in December
Bron, France
- Average snowfall days in December: 4.2 days
The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bron, France
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 4h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Bron, France
- Average sunshine days in December: 11.2 days
The month with the most sunshine days is October (14.8 days).
The month with the least sunshine days is May (7.4 days).
Average UV index in December
Bron, France
- Average UV index in December: 2
The months with the highest UV index are June and 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
Bron, France
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
Bron, France
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, May, June, July, August and September (9km).
The months with the lowest visibility are January, October, November and December (8km).





