December weather forecastCastelmayran, France
December
Weather in December
December, the first month of the winter in Castelmayran, is still a cool month, with an average temperature ranging between min 4°C (39.2°F) and max 10°C (50°F).Temperature
Castelmayran's December weather shows a modest shift in high-temperatures, falling from November's refreshing 13.4°C (56.1°F) to a fresh 10°C (50°F). December brings Castelmayran a consistent average low-temperature of 4°C (39.2°F).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 85%.Rainfall
In Castelmayran, in December, during 9 rainfall days, 22mm (0.87") of precipitation is typically accumulated. Throughout the year, there are 128.3 rainfall days, and 305mm (12.01") of precipitation is accumulated.Snowfall
Months with snowfall in Castelmayran are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.9 snowfall days, it receives 5mm (0.2") of snow. In Castelmayran, France, during the entire year, snow falls for 3.8 days and aggregates up to 20mm (0.79") of snow.Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 08:11 and sunset at 17:19. On the last day of December, sunrise is at 08:30 and sunset at 17:27 CET.
Sunshine
In December, the average sunshine in Castelmayran is 5.1h.UV index
The average daily maximum UV index in December in Castelmayran is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 3 during December leads to these instructions:
Exercise prevention - Warding off sunburn is urged. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take precaution! The reflection from snow can almost 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
Castelmayran, France
- Average high temperature in December: 10°C
The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in December: 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 (2.4°C).
Average pressure in December
Castelmayran, 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
Castelmayran, France
- Average wind speed in December: 10.7km/h
The windiest month (with the highest average wind speed) is March (12.3km/h).
The calmest month (with the lowest average wind speed) is September (8.7km/h).
Average humidity in December
Castelmayran, France
- Average humidity in December: 85%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is August (64%).
Average rainfall in December
Castelmayran, France
- Average rainfall in December: 22mm
The wettest month (with the highest rainfall) is May (42mm).
The driest month (with the least rainfall) is September (10mm).
Average rainfall days in December
Castelmayran, France
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is September (7 days).
Average snowfall in December
Castelmayran, France
- Average snowfall in December: 5mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Castelmayran, France
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (1.8 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
Castelmayran, 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 6min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Castelmayran, France
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is September (21.4 days).
The month with the least sunshine days is May (13.2 days).
Average UV index in December
Castelmayran, France
- Average UV index in December: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in December
Castelmayran, France
- Average cloud cover in December: 47
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
Castelmayran, France
- Average visibility in December: 9km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (8km).
