December weather forecastLe Castéra, France

December

Weather in December

December, the first month of the winter in Le Castéra, is still a cool month, with an average temperature varying between 10°C (50°F) and 4.2°C (39.6°F).

Temperature

December's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's moderate 13.5°C (56.3°F) to a fresh 10°C (50°F). During December, the nighttime temperature in Le Castéra averages of 4.2°C (39.6°F).

Humidity

January and December, with an average relative humidity of 83%, are the most humid months.

Rainfall

In Le Castéra, in December, during 13.2 rainfall days, 38mm (1.5") of precipitation is typically accumulated. Throughout the year, in Le Castéra, there are 165.1 rainfall days, and 523mm (20.59") of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In Le Castéra, in December, snow falls for 1.2 days, with typically accumulated 9mm (0.35") of snow. Throughout the year, there are 6.5 snowfall days, and 53mm (2.09") of snow is accumulated.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year in Le Castéra.
On the first day of December, sunrise is at 08:09 and sunset at 17:19. On the last day of the month, sunrise is at 08:28 and sunset at 17:28 CET.

Sunshine

In Le Castéra, the average sunshine in December is 5.1h.

UV index

In Le Castéra, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 3 during December translates into the following directions:
Exercise prevention - Warding off sunburn is urged. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.

Updated: Feb 6, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Le Castéra, 10°C (50°F) is the average high-temperature and 4.2°C (39.6°F) is the average low-temperature during December. In August, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 31°C (87.8°F).

January and December, with an average relative humidity of 83%, are most humid months.

In December, the average relative humidity in Le Castéra is 83%.

In Le Castéra, France, in December, during 13.2 rainfall days, 38mm (1.5") of precipitation is typically accumulated.

In Le Castéra, in December, during 1.2 snowfall days, 9mm (0.35") of snow is typically accumulated.

December has the shortest days of the year in Le Castéra, with an average of 9h and 0min of daylight.

The average day length in December in Le Castéra, France, is 9h and 0min.

In December, on the first day of the month, sunrise is at 08:09 and sunset at 17:19. On the last day of the month, in Le Castéra, sunrise is at 08:28 and sunset at 17:28 CET.

The average sunshine duration in December is 5.1h.

In Le Castéra, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

13.5°C

10°C

8.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

14.1km/h

13.3km/h

13.6km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

12.8

14.4

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Le Castéra, France

Average high temperature in December: 10°C

The warmest month (with the highest average high temperature) is August (28.4°C).
The month with the lowest average high temperature is January (8.8°C).

Average low temperature in December: 4.2°C

The month with the highest average low temperature is August (16.5°C).
The coldest month (with the lowest average low temperature) is February (2.7°C).

Average pressure in December
Le Castéra, 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 (1015.4mbar).

Average wind speed in December
Le Castéra, France

Average wind speed in December: 12km/h

The windiest month (with the highest average wind speed) is March (13.7km/h).
The calmest months (with the lowest average wind speed) are August and September (9.7km/h).

Average humidity in December
Le Castéra, France

Average humidity in December: 83%

The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is August (65%).

Average rainfall in December
Le Castéra, France

Average rainfall in December: 38mm

The wettest month (with the highest rainfall) is May (61mm).
The driest month (with the least rainfall) is September (26mm).

Average rainfall days in December
Le Castéra, France

Average rainfall days in December: 13.2 days

The month with the highest number of rainy days is April (16.8 days).
The month with the least rainy days is September (10.7 days).

Average snowfall in December
Le Castéra, France

Average snowfall in December: 9mm

The month with the highest snowfall is February (22mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Le Castéra, France

Average snowfall days in December: 1.2 days

The month with the highest number of snowfall days is February (2.7 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
Le Castéra, 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: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in December
Le Castéra, France

Average sunshine days in December: 16 days

The month with the most sunshine days is October (18 days).
The month with the least sunshine days is May (11.7 days).

Average UV index in December
Le Castéra, France

Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and November (UV index 2).

Average cloud cover in December
Le Castéra, France

Average cloud cover in December: 46

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in December
Le Castéra, France

Average visibility in December: 9km

The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (9km).