December weather forecastCastétis, France
December
Weather in December
December, the first month of the winter in Castétis, is still a cool month, with temperature in the range of an average high of 10.1°C (50.2°F) and an average low of 3.5°C (38.3°F).Temperature
The ushering in of December brings an average high-temperature of a fresh 10.1°C (50.2°F), closely mirroring the 13°C (55.4°F) of November. During December, the nighttime temperature in Castétis, France, averages of 3.5°C (38.3°F).Humidity
In Castétis, France, the average relative humidity in December is 81%.Rainfall
In Castétis, in December, it is raining for 13.8 days, with typically 54mm (2.13") of accumulated precipitation. Throughout the year, there are 187.2 rainfall days, and 735mm (28.94") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall in Castétis. December is the first month it typically snows. Throughout December, in the average 0.8 snowfall days, it receives 4mm (0.16") of snow. Throughout the year, in Castétis, there are 3.8 snowfall days, and 25mm (0.98") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 08:16 and sunset at 17:27. On the last day of December, in Castétis, sunrise is at 08:35 and sunset at 17:36 CET.
Sunshine
In Castétis, the average sunshine in December is 5.8h.UV index
The average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the UV index of 3 transforms into the following advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Castétis, France
- Average high temperature in December: 10.1°C
The warmest month (with the highest average high temperature) is August (26.9°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in December: 3.5°C
The months with the highest average low temperature are July and August (13.9°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).
Average pressure in December
Castétis, France
- Average pressure in December: 1021.8mbar
The month with the highest atmospheric pressure is December (1021.8mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in December
Castétis, France
- Average wind speed in December: 7.6km/h
The windiest month (with the highest average wind speed) is March (8km/h).
The calmest month (with the lowest average wind speed) is September (6.4km/h).
Average humidity in December
Castétis, France
- Average humidity in December: 81%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are August and September (73%).
Average rainfall in December
Castétis, France
- Average rainfall in December: 54mm
The wettest month (with the highest rainfall) is May (89mm).
The driest month (with the least rainfall) is September (32mm).
Average rainfall days in December
Castétis, France
- Average rainfall days in December: 13.8 days
The month with the highest number of rainy days is April (19.3 days).
The month with the least rainy days is October (12.4 days).
Average snowfall in December
Castétis, France
- Average snowfall in December: 4mm
The month with the highest snowfall is February (13mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Castétis, France
- Average snowfall days in December: 0.8 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
Castétis, 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 48min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is November (Average sunshine: 5h and 24min).
Average sunshine days in December
Castétis, France
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is October (16.8 days).
The month with the least sunshine days is April (8.7 days).
Average UV index in December
Castétis, France
- Average UV index in December: 3
The months with the highest UV index are May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in December
Castétis, France
- Average cloud cover in December: 40
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in December
Castétis, France
- Average visibility in December: 9km
The months with the highest visibility are March, June, September, October, November and December (9km).
The months with the lowest visibility are January, February, April, May, July and August (8km).
