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 is characterized by a mild reduction in the average high-temperature, from a cool 10.4°C (50.7°F) in November to a chilly 6.7°C (44.1°F). During December, an average low-temperature of 1.5°C (34.7°F) is observed.Humidity
December is the most humid month in Bron, France, with an average relative humidity of 85%.Rainfall
In Bron, France, in December, it is raining for 16 days, with typically 68mm (2.68") of accumulated precipitation. Throughout the year, in Bron, there are 191.8 rainfall days, and 744mm (29.29") of precipitation is accumulated.Snowfall
January through March, October through December are months with snowfall. In Bron, in December, snow falls for 4.2 days, with typically accumulated 35mm (1.38") of snow. Throughout the year, in Bron, there are 19.4 snowfall days, and 149mm (5.87") of snow is accumulated.Daylight
The month with the shortest days in Bron is December, with an average of 8h and 48min of daylight.On the first day of December in Bron, sunrise is at 08:01 and sunset at 16:57. On the last day of the month, 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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 2 during December leads to these advisories:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Bron during December?
What is the most humid month in Bron?
What is the average humidity in December in Bron?
How much does it rain in Bron in December?
How many days does it snow in December in Bron?
What is the month with the shortest days in Bron?
What is the average length of the day in December in Bron?
What time are sunrise and sunset in December in Bron?
How long on average sun shines in December in Bron?
When is the lowest UV index in Bron?
What is the UV index reading in December in Bron?
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 5min
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 4min
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).
Bron, France
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