December weather forecastRoissard, France
December
Weather in December
December, the first month of the winter in Roissard, is also a wintry month, with temperature in the range of an average low of -1.5°C (29.3°F) and an average high of 4.1°C (39.4°F).Temperature
As November shifts into December, a minor alteration in temperatures is observed, with average highs reducing from a frosty 7.5°C (45.5°F) to a cold 4.1°C (39.4°F). In December, Roissard records an average nighttime temperature of -1.5°C (29.3°F).Humidity
In Roissard, the average relative humidity in December is 85%.Rainfall
In Roissard, France, in December, it is raining for 8 days, with typically 62mm (2.44") of accumulated precipitation. Throughout the year, there are 133.7 rainfall days, and 588mm (23.15") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. December is the month with the most snowfall in Roissard. Snow falls for 11.4 days and accumulates 252mm (9.92") of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year in Roissard.On the first day of the month, sunrise is at 07:55 and sunset at 16:57. On the last day of December, in Roissard, sunrise is at 08:15 and sunset at 17:06 CET.
Sunshine
In Roissard, the average sunshine in December is 4.6h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Roissard. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Roissard, France
- Average high temperature in December: 4.1°C
The warmest month (with the highest average high temperature) is August (22.3°C).
The month with the lowest average high temperature is January (2.4°C).
- Average low temperature in December: -1.5°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 (-3.6°C).
Average pressure in December
Roissard, 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
Roissard, France
- Average wind speed in December: 10.4km/h
The windiest month (with the highest average wind speed) is February (11.1km/h).
The calmest month (with the lowest average wind speed) is September (8km/h).
Average humidity in December
Roissard, France
- Average humidity in December: 85%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Roissard, France
- Average rainfall in December: 62mm
The wettest months (with the highest rainfall) are June and November (65mm).
The driest month (with the least rainfall) is February (36mm).
Average rainfall days in December
Roissard, France
- Average rainfall days in December: 8 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in December
Roissard, France
- Average snowfall in December: 252mm
The month with the highest snowfall is December (252mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in December
Roissard, France
- Average snowfall days in December: 11.4 days
The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Roissard, France
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 4h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Roissard, France
- Average sunshine days in December: 15 days
The month with the most sunshine days is August (16.8 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in December
Roissard, 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
Roissard, France
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Roissard, France
- Average visibility in December: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).





