December weather forecastCastillon-Debats, France
December weather for Castillon-Debats, France: In Castillon-Debats, France, in December, during 0.8 snowfall days, 3mm (0.12") of snow is typically accumulated. The first month of the winter, December, is still a cool month in Castillon-Debats, France, with an average temperature varying between 4.4°C (39.9°F) and 10.2°C (50.4°F).
December
Weather in December
The first month of the winter, December, is still a cool month in Castillon-Debats, France, with an average temperature varying between 4.4°C (39.9°F) and 10.2°C (50.4°F).Temperature
As December arrives, Castillon-Debats's weather displays a minor decrease in high-temperatures, transitioning from November's refreshing 13.3°C (55.9°F) to a cool 10.2°C (50.4°F). During December, the nighttime temperature in Castillon-Debats averages to an icy 4.4°C (39.9°F).Humidity
The average relative humidity in December in Castillon-Debats is 82%.Rainfall
In Castillon-Debats, in December, during 11 rainfall days, 31mm (1.22") of precipitation is typically accumulated. In Castillon-Debats, during the entire year, the rain falls for 155.2 days and collects up to 440mm (17.32") of precipitation.Snowfall
January through March, November and December are months with snowfall. In Castillon-Debats, France, in December, during 0.8 snowfall days, 3mm (0.12") of snow is typically accumulated. In Castillon-Debats, during the entire year, snow falls for 4.7 days and aggregates up to 39mm (1.54") 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 December in Castillon-Debats, France, sunrise is at 08:13 and sunset at 17:23. On the last day of the month, sunrise is at 08:32 and sunset at 17:31 CET.
Sunshine
In Castillon-Debats, the average sunshine in December is 5.4h.UV index
In Castillon-Debats, France, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 3 suggests this advice:
Take necessary precautions - Suggestions to elude sunburn are provided. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Castillon-Debats, France
- Average high temperature in December: 10.2°C
The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (9°C).
- Average low temperature in December: 4.4°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 (2.8°C).
Average pressure in December
Castillon-Debats, 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
Castillon-Debats, France
- Average wind speed in December: 11.2km/h
The windiest month (with the highest average wind speed) is February (12.3km/h).
The calmest month (with the lowest average wind speed) is September (8.7km/h).
Average humidity in December
Castillon-Debats, France
- Average humidity in December: 82%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Castillon-Debats, France
- Average rainfall in December: 31mm
The wettest month (with the highest rainfall) is May (52mm).
The driest month (with the least rainfall) is September (22mm).
Average rainfall days in December
Castillon-Debats, France
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is September (9.9 days).
Average snowfall in December
Castillon-Debats, France
- Average snowfall in December: 3mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Castillon-Debats, France
- Average snowfall days in December: 0.8 days
The month with the highest number of snowfall days is February (2.1 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
Castillon-Debats, 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 24min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in December
Castillon-Debats, France
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is April (12.7 days).
Average UV index in December
Castillon-Debats, France
- Average UV index in December: 3
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and November (UV index 2).
Average cloud cover in December
Castillon-Debats, France
- Average cloud cover in December: 43
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in December
Castillon-Debats, France
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
