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
December
Weather in December
Temperature
The arrival of December is marked by a minor reduction in average high-temperature, sliding from a chilly 9.8°C (49.6°F) in November to an icy 5.9°C (42.6°F). Throughout December nights, Aillon-le-Vieux experiences a consistent temperature average of -1.2°C (29.8°F).Humidity
The months with the highest humidity in Aillon-le-Vieux are January and December, with an average relative humidity of 83%.Rainfall
December is the month with the most rainfall. Rain falls for 12.5 days and accumulates 117mm (4.61") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Aillon-le-Vieux, in December, during 3.5 snowfall days, 54mm (2.13") of snow is typically accumulated. Throughout the year, there are 13.6 snowfall days, and 192mm (7.56") of snow is accumulated.Daylight
The month with the shortest days in Aillon-le-Vieux, France, is December, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 07:56 and sunset at 16:53. On the last day of December, sunrise is at 08:16 and sunset at 17:01 CET.
Sunshine
The average sunshine in December is 5.6h.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 estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Aillon-le-Vieux in December?
What is the most humid month in Aillon-le-Vieux?
What is the average humidity in December in Aillon-le-Vieux?
What is the rainiest month in Aillon-le-Vieux?
How many days does it rain in December in Aillon-le-Vieux?
How many days does it snow in December in Aillon-le-Vieux?
What is the month with the shortest days in Aillon-le-Vieux?
What is the average length of the day in December in Aillon-le-Vieux?
What time are sunrise and sunset in December in Aillon-le-Vieux?
How long on average sun shines in December in Aillon-le-Vieux?
What is the month with the lowest UV index in Aillon-le-Vieux?
What is the UV index reading in December in Aillon-le-Vieux?
Average temperature in December
Aillon-le-Vieux, France
- Average high temperature in December: 5.9°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in December: -1.2°C
The month with the highest average low temperature is July (11.6°C).
The coldest month (with the lowest average low temperature) is February (-2.9°C).
Average pressure in December
Aillon-le-Vieux, France
- Average pressure in December: 1021mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in December
Aillon-le-Vieux, France
- Average wind speed in December: 6.8km/h
The windiest month (with the highest average wind speed) is March (7.2km/h).
The calmest months (with the lowest average wind speed) are August and September (5.6km/h).
Average humidity in December
Aillon-le-Vieux, France
- Average humidity in December: 83%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Aillon-le-Vieux, France
- Average rainfall in December: 117mm
The wettest month (with the highest rainfall) is December (117mm).
The driest month (with the least rainfall) is September (40mm).
Average rainfall days in December
Aillon-le-Vieux, France
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is October (10.6 days).
Average snowfall in December
Aillon-le-Vieux, France
- Average snowfall in December: 54mm
The month with the highest snowfall is February (57mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Aillon-le-Vieux, France
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Aillon-le-Vieux, 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: 5h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in December
Aillon-le-Vieux, France
- Average sunshine days in December: 15 days
The month with the most sunshine days is October (18.5 days).
The months with the least sunshine days are May and June (8.1 days).
Average UV index in December
Aillon-le-Vieux, 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
Aillon-le-Vieux, France
- Average cloud cover in December: 40
The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Aillon-le-Vieux, France
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, June, July, August and November (9km).
The months with the lowest visibility are January, May, September, October and December (8km).
