December weather forecastCastéra-Lou, France

December

Weather in December

December, the first month of the winter in Castéra-Lou, is still a chilly month, with an average temperature varying between 8.5°C (47.3°F) and 1.8°C (35.2°F).

Temperature

The transition into December shows a subtle variation to a chilly 8.5°C (47.3°F) from November's 10.9°C (51.6°F) in the average high-temperature. An average minimum temperature of 1.8°C (35.2°F) is recorded in Castéra-Lou during the month of December.

Humidity

In Castéra-Lou, the average relative humidity in December is 78%.

Rainfall

In Castéra-Lou, in December, it is raining for 13 days, with typically 56mm (2.2") of accumulated precipitation. Throughout the year, there are 189.2 rainfall days, and 776mm (30.55") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In December, it is snowing for 1.4 days. Throughout December, 8mm (0.31") of snow is accumulated. In Castéra-Lou, during the entire year, snow falls for 11.2 days and aggregates up to 127mm (5") of snow.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year in Castéra-Lou.
On the first day of December in Castéra-Lou, sunrise is at 08:12 and sunset at 17:24. On the last day of the month, sunrise is at 08:31 and sunset at 17:33 CET.

Sunshine

The average sunshine in December in Castéra-Lou is 6.1h.

UV index

The months with the lowest UV index in Castéra-Lou, France, are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In December, a regular UV index of 2 translates into these guidelines:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.

Frequently asked questions

The high-temperature, in December, in Castéra-Lou, records 8.5°C (47.3°F), while the low-temperature is 1.8°C (35.2°F).

In Castéra-Lou, the average relative humidity in December is 78%.

In December, in Castéra-Lou, France, the rain falls for 13 days. Throughout December, 56mm (2.2") of precipitation is accumulated.

In Castéra-Lou, France, in December, snow falls for 1.4 days, with typically accumulated 8mm (0.31") of snow.

With an average of 9h and 0min of daylight, December has the shortest days of the year in Castéra-Lou.

The average day length in December in Castéra-Lou, France, is 9h and 2min.

On the first day of December in Castéra-Lou, sunrise is at 08:12 and sunset at 17:24. On the last day of the month, sunrise is at 08:31 and sunset at 17:33 CET.

In Castéra-Lou, the average sunshine duration in December is 6.1h.

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Castéra-Lou, France.

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Castéra-Lou, France

  • Average high temperature in December: 8.5°C

The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (6.8°C).

  • Average low temperature in December: 1.8°C

The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is February (-1.3°C).

Average pressure in December
Castéra-Lou, France

  • Average pressure in December: 1021.9mbar

The month with the highest atmospheric pressure is December (1021.9mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).

Average wind speed in December
Castéra-Lou, France

  • Average wind speed in December: 8.3km/h

The windiest month (with the highest average wind speed) is February (8.7km/h).
The calmest month (with the lowest average wind speed) is September (6.7km/h).

Average humidity in December
Castéra-Lou, France

  • Average humidity in December: 78%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are August and October (73%).

Average rainfall in December
Castéra-Lou, France

  • Average rainfall in December: 56mm

The wettest month (with the highest rainfall) is May (92mm).
The driest month (with the least rainfall) is September (36mm).

Average rainfall days in December
Castéra-Lou, France

  • Average rainfall days in December: 13 days

The month with the highest number of rainy days is April (19.7 days).
The month with the least rainy days is October (12.3 days).

Average snowfall in December
Castéra-Lou, France

  • Average snowfall in December: 8mm

The month with the highest snowfall is February (56mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Castéra-Lou, France

  • Average snowfall days in December: 1.4 days

The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Castéra-Lou, France

  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 6h and 6min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is November (Average sunshine: 5h and 36min).

Average sunshine days in December
Castéra-Lou, France

  • Average sunshine days in December: 15.3 days

The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is April (7.9 days).

Average UV index in December
Castéra-Lou, France

  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Castéra-Lou, France

  • Average cloud cover in December: 36

The month with the most cloud cover is April (Cloud cover 44).
The month with the least cloud cover is September (Cloud cover 27).

Average visibility in December
Castéra-Lou, France

  • Average visibility in December: 9km

The months with the highest visibility are March, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February and April (8km).