December weather forecastJustiniac, France
December
Weather in December
December, the first month of the winter in Justiniac, is still a chilly month, with an average temperature varying between 9.5°C (49.1°F) and 1.4°C (34.5°F).Temperature
With the onset of December, the average high-temperature registers at a chilly 9.5°C (49.1°F), subtly different from November's 12°C (53.6°F). Throughout December, Justiniac experiences a low-temperature average of 1.4°C (34.5°F).Humidity
The average relative humidity in December is 74%.Rainfall
In Justiniac, during December, the rain falls for 9.5 days and regularly aggregates up to 42mm (1.65") of precipitation. In Justiniac, during the entire year, the rain falls for 157.3 days and collects up to 605mm (23.82") of precipitation.Snowfall
January through May, October through December are months with snowfall in Justiniac. In Justiniac, during December, snow falls for 3 days and regularly aggregates up to 38mm (1.5") of snow. Throughout the year, there are 20.8 snowfall days, and 383mm (15.08") of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:06 and sunset at 17:19. On the last day of December, sunrise is at 08:25 and sunset at 17:28 CET.
Sunshine
In December, the average sunshine is 6.4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Justiniac, France
- Average high temperature in December: 9.5°C
The warmest month (with the highest average high temperature) is August (26.2°C).
The month with the lowest average high temperature is January (7.7°C).
- Average low temperature in December: 1.4°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is February (0°C).
Average pressure in December
Justiniac, France
- Average pressure in December: 1021.5mbar
The month with the highest atmospheric pressure is December (1021.5mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in December
Justiniac, France
- Average wind speed in December: 9km/h
The windiest month (with the highest average wind speed) is February (10.4km/h).
The calmest month (with the lowest average wind speed) is August (7.8km/h).
Average humidity in December
Justiniac, France
- Average humidity in December: 74%
The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Justiniac, France
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is May (65mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in December
Justiniac, France
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is October (9.2 days).
Average snowfall in December
Justiniac, France
- Average snowfall in December: 38mm
The month with the highest snowfall is February (124mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Justiniac, France
- Average snowfall days in December: 3 days
The month with the highest number of snowfall days is February (6.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Justiniac, France
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 6h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 0min).
Average sunshine days in December
Justiniac, France
- Average sunshine days in December: 18.3 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is May (8.8 days).
Average UV index in December
Justiniac, France
- Average UV index in December: 2
The month with the highest UV index is 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
Justiniac, France
- Average cloud cover in December: 31
The months with the most cloud cover are January and February (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 24).
Average visibility in December
Justiniac, 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).





