Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The arrival of December correlates with a minor temperature reduction, down from November's moderate 13.3°C (55.9°F) to a fresh 10.2°C (50.4°F). Castin's temperature lowers to a mean of 4.4°C (39.9°F) during the nights in December.Humidity
In December, the average relative humidity is 82%.Rainfall
In Castin, during December, the rain falls for 11 days and regularly aggregates up to 31mm (1.22") of precipitation. Throughout the year, there are 155.2 rainfall days, and 440mm (17.32") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Castin, France, in December, snow falls for 0.8 days, with typically accumulated 3mm (0.12") of snow. Throughout the year, there are 4.7 snowfall days, and 39mm (1.54") of snow is accumulated.Daylight
December has the shortest days of the year in Castin, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 08:11 and sunset at 17:22. On the last day of the month, sunrise is at 08:31 and sunset at 17:30 CET.
Sunshine
The average sunshine in December in Castin is 5.4h.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 unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 3 in December translates into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
What is the temperature in December in Castin?
What is the average humidity in December in Castin?
How much does it rain in Castin in December?
How much does it snow in Castin in December?
What is the month with the shortest days in Castin?
How many hours of daylight does Castin have in December?
When is the sunrise / sunset in December in Castin?
How long on average sun shines in December in Castin?
What is the UV index reading in December in Castin?
Average temperature in December
Castin, 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
Castin, 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
Castin, 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
Castin, 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
Castin, 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
Castin, 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
Castin, 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
Castin, 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
Castin, 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 2min
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
Castin, 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
Castin, 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
Castin, 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
Castin, 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).
Castin, France
Weather forecast for your location
2. Allow the app to use your location
