December weather forecastRoussay, France
December
Weather in December
The first month of the winter, December, is also a frosty month in Roussay, France, with an average temperature varying between 3.8°C (38.8°F) and 8.9°C (48°F).Temperature
Roussay in December undergoes a slight reduction in the average high-temperature, shifting from November's cool 11.9°C (53.4°F) to a chilly 8.9°C (48°F). During the month of December, an average temperature of 3.8°C (38.8°F) is noted during the nights in Roussay.Humidity
January and December, with an average relative humidity of 88%, are the most humid months in Roussay.Rainfall
December is the month with the most rainfall in Roussay, France. Rain falls for 14.1 days and accumulates 57mm (2.24") of precipitation.Snowfall
Months with snowfall are January through March, October through December. In Roussay, during December, snow falls for 0.5 days and regularly aggregates up to 1mm (0.04") of snow. Throughout the year, in Roussay, there are 3.6 snowfall days, and 16mm (0.63") of snow is accumulated.Daylight
The month with the shortest days in Roussay is December, with an average of 8h and 36min of daylight.On the first day of the month, sunrise is at 08:30 and sunset at 17:16. On the last day of December, in Roussay, sunrise is at 08:50 and sunset at 17:24 CET.
Sunshine
In Roussay, France, the average sunshine in December is 4.4h.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 low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Roussay, France
- Average high temperature in December: 8.9°C
The warmest month (with the highest average high temperature) is August (24.6°C).
The month with the lowest average high temperature is January (7.9°C).
- Average low temperature in December: 3.8°C
The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is February (1.8°C).
Average pressure in December
Roussay, France
- Average pressure in December: 1019.4mbar
The month with the highest atmospheric pressure is December (1019.4mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in December
Roussay, France
- Average wind speed in December: 17.1km/h
The windiest month (with the highest average wind speed) is February (17.9km/h).
The calmest month (with the lowest average wind speed) is August (11.4km/h).
Average humidity in December
Roussay, France
- Average humidity in December: 88%
The months with the highest relative humidity are January and December (88%).
The months with the lowest relative humidity are August and September (73%).
Average rainfall in December
Roussay, France
- Average rainfall in December: 57mm
The wettest month (with the highest rainfall) is December (57mm).
The driest month (with the least rainfall) is September (20mm).
Average rainfall days in December
Roussay, France
- Average rainfall days in December: 14.1 days
The month with the highest number of rainy days is November (15.4 days).
The month with the least rainy days is September (8.4 days).
Average snowfall in December
Roussay, France
- Average snowfall in December: 1mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in December
Roussay, France
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Roussay, France
- Average daylight in December: 8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 4h and 24min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Roussay, France
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is September (19.6 days).
The month with the least sunshine days is November (11.5 days).
Average UV index in December
Roussay, 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
Roussay, France
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in December
Roussay, France
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is May (8km).





