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
The onset of December is marked by a minor decrease in temperature, transitioning from a refreshing 13.3°C (55.9°F) in November to a fresh 10.2°C (50.4°F). The average temperature during December nights in Justian, France, is registered at a wintry 4.4°C (39.9°F).Humidity
In Justian, the average relative humidity in December is 82%.Rainfall
In Justian, in December, during 11 rainfall days, 31mm (1.22") of precipitation is typically accumulated. Throughout the year, there are 155.2 rainfall days, and 440mm (17.32") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In December, it is snowing for 0.8 days. Throughout December, 3mm (0.12") of snow is accumulated. Throughout the year, in Justian, France, there are 4.7 snowfall days, and 39mm (1.54") of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year in Justian.On the first day of December in Justian, sunrise is at 08:13 and sunset at 17:22. On the last day of the month, sunrise is at 08:32 and sunset at 17:31 CET.
Sunshine
The average sunshine in December in Justian is 5.4h.UV index
In December, the average daily maximum UV index in Justian is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, a daily UV index of 3 turns into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Justian?
What is the average humidity in December in Justian?
How much does it rain in Justian in December?
How many days does it snow in December in Justian?
What is the month with the shortest days in Justian?
What is the average length of the day in December in Justian?
When are sunrise and sunset in December in Justian?
How many hours of sunshine does Justian have in December?
What is the UV index reading in December in Justian?
Average temperature in December
Justian, France
- Average high temperature in December: 10.2°C
The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (9°C).
- Average low temperature in December: 4.4°C
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).
Average pressure in December
Justian, France
- Average pressure in December: 1021.7mbar
The month with the highest atmospheric pressure is December (1021.7mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in December
Justian, France
- Average wind speed in December: 11.2km/h
The windiest month (with the highest average wind speed) is February (12.3km/h).
The calmest month (with the lowest average wind speed) is September (8.7km/h).
Average humidity in December
Justian, France
- Average humidity in December: 82%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Justian, France
- Average rainfall in December: 31mm
The wettest month (with the highest rainfall) is May (52mm).
The driest month (with the least rainfall) is September (22mm).
Average rainfall days in December
Justian, France
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is September (9.9 days).
Average snowfall in December
Justian, France
- Average snowfall in December: 3mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Justian, France
- Average snowfall days in December: 0.8 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Justian, France
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in December
Justian, France
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is April (12.7 days).
Average UV index in December
Justian, France
- Average UV index in December: 3
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and November (UV index 2).
Average cloud cover in December
Justian, France
- Average cloud cover in December: 43
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in December
Justian, France
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Justian, France
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