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
December
Weather in December
Temperature
Castetbon indicates an average high-temperature of a fresh 10.1°C (50.2°F) in December, showing minor variation from November's 13°C (55.4°F). During December in Castetbon, the average low-temperature is recorded at a cold 3.5°C (38.3°F).Humidity
The average relative humidity in December in Castetbon is 81%.Rainfall
In Castetbon, in December, it is raining for 13.8 days, with typically 54mm (2.13") of accumulated precipitation. In Castetbon, France, during the entire year, the rain falls for 187.2 days and collects up to 735mm (28.94") of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows in Castetbon. Throughout December, in the average 0.8 snowfall days, it receives 4mm (0.16") of snow. In Castetbon, during the entire year, snow falls for 3.8 days and aggregates up to 25mm (0.98") 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 08:16 and sunset at 17:28. On the last day of December, in Castetbon, France, sunrise is at 08:35 and sunset at 17:37 CET.
Sunshine
In December, the average sunshine is 5.8h.UV index
The average daily maximum UV index in December in Castetbon is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 3 during December translates into these guidelines:
Heed the precautions - It is counselled to guard against solar damage. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Castetbon?
What is the average humidity in December in Castetbon?
How many days does it rain in December in Castetbon?
When does it start to snow in Castetbon?
What is the month with the shortest days in Castetbon?
How many hours of daylight does Castetbon have in December?
What time are sunrise and sunset in December in Castetbon?
How many hours of sunshine does Castetbon have in December?
How high is the UV index in December in Castetbon?
Average temperature in December
Castetbon, 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
Castetbon, 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
Castetbon, 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
Castetbon, 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
Castetbon, 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
Castetbon, 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
Castetbon, 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
Castetbon, 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
Castetbon, 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 5min
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
Castetbon, 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
Castetbon, 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
Castetbon, 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
Castetbon, 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).
