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 brings a slight decrease in temperature, down from 9.6°C (49.3°F) in November to a still chilly 6.3°C (43.3°F). The average low-temperature during December nights is an icy 0.6°C (33.1°F).Humidity
November and December, with an average relative humidity of 86%, are the most humid months.Rainfall
In Saint-Jean-Bonnefonds, during December, the rain falls for 10 days and regularly aggregates up to 33mm (1.3") of precipitation. In Saint-Jean-Bonnefonds, during the entire year, the rain falls for 153.4 days and collects up to 511mm (20.12") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, in Saint-Jean-Bonnefonds, it is snowing for 4.4 days. Throughout December, 29mm (1.14") of snow is accumulated. Throughout the year, in Saint-Jean-Bonnefonds, there are 26.1 snowfall days, and 268mm (10.55") of snow is accumulated.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year in Saint-Jean-Bonnefonds, France.On the first day of the month, sunrise is at 08:02 and sunset at 17:00. On the last day of December, in Saint-Jean-Bonnefonds, sunrise is at 08:21 and sunset at 17:08 CET.
Sunshine
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 reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
How cold is December in Saint-Jean-Bonnefonds?
What are the most humid months in Saint-Jean-Bonnefonds?
What is the average humidity in December in Saint-Jean-Bonnefonds?
How much does it rain in Saint-Jean-Bonnefonds in December?
How much does it snow in Saint-Jean-Bonnefonds in December?
What is the month with the shortest days in Saint-Jean-Bonnefonds?
What is the average length of the day in December in Saint-Jean-Bonnefonds?
What time are sunrise and sunset in December in Saint-Jean-Bonnefonds?
How many hours of sunshine does Saint-Jean-Bonnefonds have in December?
When is the lowest UV index in Saint-Jean-Bonnefonds?
What is the UV index intensity in December in Saint-Jean-Bonnefonds?
Average temperature in December
Saint-Jean-Bonnefonds, France
- Average high temperature in December: 6.3°C
The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in December: 0.6°C
The month with the highest average low temperature is July (13.2°C).
The coldest month (with the lowest average low temperature) is February (-1°C).
Average pressure in December
Saint-Jean-Bonnefonds, 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
Saint-Jean-Bonnefonds, France
- Average wind speed in December: 11.1km/h
The windiest month (with the highest average wind speed) is February (12.5km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in December
Saint-Jean-Bonnefonds, France
- Average humidity in December: 86%
The months with the highest relative humidity are November and December (86%).
The month with the lowest relative humidity is August (72%).
Average rainfall in December
Saint-Jean-Bonnefonds, France
- Average rainfall in December: 33mm
The wettest month (with the highest rainfall) is November (58mm).
The driest month (with the least rainfall) is February (27mm).
Average rainfall days in December
Saint-Jean-Bonnefonds, France
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is December (10 days).
Average snowfall in December
Saint-Jean-Bonnefonds, France
- Average snowfall in December: 29mm
The month with the highest snowfall is November (85mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Saint-Jean-Bonnefonds, France
- Average snowfall days in December: 4.4 days
The month with the highest number of snowfall days is January (8.5 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-Jean-Bonnefonds, France
- Average daylight in December: 8h and 5min
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: 4h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Saint-Jean-Bonnefonds, France
- Average sunshine days in December: 16 days
The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is May (10.2 days).
Average UV index in December
Saint-Jean-Bonnefonds, France
- Average UV index in December: 2
The months with the highest UV index are June, July and August (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-Jean-Bonnefonds, France
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Saint-Jean-Bonnefonds, France
- Average visibility in December: 8km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).
Saint-Jean-Bonnefonds, France
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