December weather forecastLa Tronche, France
December
Weather in December
The first month of the winter, December, is also a wintry month in La Tronche, France, with an average temperature fluctuating between 4°C (39.2°F) and -2.3°C (27.9°F).Temperature
During the shift to December, La Tronche records a mild decrease in average high-temperature, moving from a chilly 7.7°C (45.9°F) in November to a wintry 4°C (39.2°F). In the month of December, La Tronche's average low-temperature falls to a subzero cold -2.3°C (27.9°F).Humidity
In La Tronche, the average relative humidity in December is 84%.Rainfall
The month with the most rainfall in La Tronche is December, when the rain falls for 13.7 days and typically aggregates up to 126mm (4.96") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In La Tronche, in December, snow falls for 5.5 days, with typically accumulated 127mm (5") of snow. In La Tronche, during the entire year, snow falls for 29.7 days and aggregates up to 532mm (20.94") of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year in La Tronche.On the first day of the month, sunrise is at 07:56 and sunset at 16:56. On the last day of December, sunrise is at 08:15 and sunset at 17:04 CET.
Sunshine
The months with the least sunshine are January and December, with an average of 5.3h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in La Tronche. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 2 during December translates into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
La Tronche, France
- Average high temperature in December: 4°C
The warmest month (with the highest average high temperature) is July (21.7°C).
The month with the lowest average high temperature is January (2.4°C).
- Average low temperature in December: -2.3°C
The month with the highest average low temperature is July (10.9°C).
The coldest month (with the lowest average low temperature) is February (-4.3°C).
Average pressure in December
La Tronche, France
- Average pressure in December: 1020.7mbar
The month with the highest atmospheric pressure is December (1020.7mbar).
The month with the lowest atmospheric pressure is April (1015mbar).
Average wind speed in December
La Tronche, France
- Average wind speed in December: 8.8km/h
The windiest month (with the highest average wind speed) is February (9.3km/h).
The calmest month (with the lowest average wind speed) is September (7.1km/h).
Average humidity in December
La Tronche, France
- Average humidity in December: 84%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
La Tronche, France
- Average rainfall in December: 126mm
The wettest month (with the highest rainfall) is December (126mm).
The driest month (with the least rainfall) is September (46mm).
Average rainfall days in December
La Tronche, France
- Average rainfall days in December: 13.7 days
The month with the highest number of rainy days is May (21.4 days).
The month with the least rainy days is October (11.9 days).
Average snowfall in December
La Tronche, France
- Average snowfall in December: 127mm
The month with the highest snowfall is February (149mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
La Tronche, France
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is February (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
La Tronche, 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 18min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 18min).
Average sunshine days in December
La Tronche, France
- Average sunshine days in December: 14.1 days
The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is May (7.1 days).
Average UV index in December
La Tronche, 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
La Tronche, France
- Average cloud cover in December: 43
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
La Tronche, France
- Average visibility in December: 8km
The month with the highest visibility is August (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (8km).





