December weather forecastCastandet, France
December
Weather in December
The first month of the winter, December, is also a fresh month in Castandet, France, with an average temperature fluctuating between 4.6°C (40.3°F) and 10.6°C (51.1°F).Temperature
In Castandet, the beginning of December is marked by a marginally lowered average high-temperature, shifting from November's moderate 13.9°C (57°F) to a fresh 10.6°C (51.1°F). Throughout December, Castandet encounters an average temperature drop to an icy 4.6°C (40.3°F).Humidity
In Castandet, France, the average relative humidity in December is 85%.Rainfall
In Castandet, in December, during 14 rainfall days, 38mm (1.5") of precipitation is typically accumulated. Throughout the year, there are 177.5 rainfall days, and 528mm (20.79") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall in Castandet. December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 3mm (0.12") of snow. In Castandet, France, during the entire year, snow falls for 2.4 days and aggregates up to 11mm (0.43") 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 08:15 and sunset at 17:25. On the last day of December, sunrise is at 08:35 and sunset at 17:33 CET.
Sunshine
The average sunshine in December is 5.1h.UV index
The average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In December, a daily maximum UV index of 3 leads to the following instructions:
Ensure safety - Sun damage prevention is strongly urged. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Castandet, France
- Average high temperature in December: 10.6°C
The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (9.8°C).
- Average low temperature in December: 4.6°C
The month with the highest average low temperature is July (15.5°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).
Average pressure in December
Castandet, France
- Average pressure in December: 1021.6mbar
The month with the highest atmospheric pressure is December (1021.6mbar).
The months with the lowest atmospheric pressure are April and November (1015.6mbar).
Average wind speed in December
Castandet, France
- Average wind speed in December: 7.7km/h
The windiest month (with the highest average wind speed) is March (8.5km/h).
The calmest month (with the lowest average wind speed) is September (6.6km/h).
Average humidity in December
Castandet, France
- Average humidity in December: 85%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Castandet, France
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is November (71mm).
The driest month (with the least rainfall) is August (28mm).
Average rainfall days in December
Castandet, France
- Average rainfall days in December: 14 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is October (11.5 days).
Average snowfall in December
Castandet, France
- Average snowfall in December: 3mm
The month with the highest snowfall is February (4mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Castandet, France
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Castandet, 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: 9h and 30min).
The months with the least sunshine are January and November (Average sunshine: 5h and 0min).
Average sunshine days in December
Castandet, France
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in December
Castandet, France
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover in December
Castandet, France
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in December
Castandet, France
- Average visibility in December: 8km
The months with the highest visibility are May and June (9km).
The month with the lowest visibility is January (7km).
