December weather forecast
Castet-Arrouy, France

December

Weather in December

December, the first month of the winter in Castet-Arrouy, is still a cool month, with an average temperature varying between 10.1°C (50.2°F) and 4.3°C (39.7°F).

Temperature

Castet-Arrouy's progression into December involves a gentle drop in the average high-temperature, from a moderate 13.5°C (56.3°F) in November to a cool 10.1°C (50.2°F). In Castet-Arrouy, the expected average low-temperature for December is a cold 4.3°C (39.7°F).

Humidity

In Castet-Arrouy, the average relative humidity in December is 84%.

Rainfall

In Castet-Arrouy, during December, the rain falls for 13.5 days and regularly aggregates up to 48mm (1.89") of precipitation. Throughout the year, in Castet-Arrouy, there are 168.6 rainfall days, and 505mm (19.88") of precipitation is accumulated.

Snowfall

January through March and December are months with snowfall in Castet-Arrouy. December is the first month it typically snows. Throughout December, in the average 0.8 snowfall days, it receives 6mm (0.24") of snow. Throughout the year, in Castet-Arrouy, there are 3 snowfall days, and 26mm (1.02") of snow is accumulated.

Daylight

The month with the shortest days in Castet-Arrouy, France, is December, with an average of 9h and 0min of daylight.
On the first day of the month, sunrise is at 08:12 and sunset at 17:20. On the last day of December, in Castet-Arrouy, sunrise is at 08:31 and sunset at 17:29 CET.

Sunshine

In December, the average sunshine in Castet-Arrouy is 5.3h.

UV index

In December, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 3 in December interprets into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Boost your sun resistance with garments that are densely woven yet spacious. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.

Frequently asked questions

What is the usual temperature for Castet-Arrouy in December?
An average high-temperature, in December, in Castet-Arrouy, is 10.1°C (50.2°F) and the average low-temperature is 4.3°C (39.7°F). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 31°C (87.8°F).
What is the average humidity in December in Castet-Arrouy?
In Castet-Arrouy, France, the average relative humidity in December is 84%.
How many days does it rain in December in Castet-Arrouy?
In Castet-Arrouy, in December, it is raining for 13.5 days, with typically 48mm (1.89") of accumulated precipitation.
When does it start snowing in Castet-Arrouy?
December is the first month it typically snows in Castet-Arrouy, France. Throughout December, in the average 0.8 snowfall days, it receives 6mm (0.24") of snow.
What is the month with the shortest days in Castet-Arrouy?
December has the shortest days of the year in Castet-Arrouy, France, with an average of 9h and 0min of daylight.
How many hours of daylight does Castet-Arrouy have in December?
In December, the average day length in Castet-Arrouy, France, is 8h and 58min.
When is the sunrise / sunset in December in Castet-Arrouy?
In December, on the first day of the month, sunrise is at 08:12 and sunset at 17:20. On the last day of the month, sunrise is at 08:31 and sunset at 17:29 CET.
How long on average sun shines in December in Castet-Arrouy?
In December, the average sunshine duration in Castet-Arrouy is 5.3h.
What is the UV index intensity in December in Castet-Arrouy?
In December, the average daily maximum UV index in Castet-Arrouy, France, is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat 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 - Castet-Arrouy, France
Average temperature in December
Castet-Arrouy, France
  • Average high temperature in December: 10.1°C

The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (8.9°C).

  • Average low temperature in December: 4.3°C

The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).

Average pressure in December - Castet-Arrouy, France
Average pressure in December
Castet-Arrouy, France
  • Average pressure in December: 1021.6mbar

The month with the highest atmospheric pressure is December (1021.6mbar).
The months with the lowest atmospheric pressure are April and November (1015.6mbar).

Average wind speed in December - Castet-Arrouy, France
Average wind speed in December
Castet-Arrouy, France
  • Average wind speed in December: 11km/h

The windiest month (with the highest average wind speed) is March (11.9km/h).
The calmest months (with the lowest average wind speed) are August and September (8.5km/h).

Average humidity in December - Castet-Arrouy, France
Average humidity in December
Castet-Arrouy, France
  • Average humidity in December: 84%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (66%).

Average rainfall in December - Castet-Arrouy, France
Average rainfall in December
Castet-Arrouy, France
  • Average rainfall in December: 48mm

The wettest months (with the highest rainfall) are May and November (59mm).
The driest month (with the least rainfall) is September (20mm).

Average rainfall days in December - Castet-Arrouy, France
Average rainfall days in December
Castet-Arrouy, France
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is September (10 days).

Average snowfall in December - Castet-Arrouy, France
Average snowfall in December
Castet-Arrouy, France
  • Average snowfall in December: 6mm

The month with the highest snowfall is January (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December - Castet-Arrouy, France
Average snowfall days in December
Castet-Arrouy, France
  • Average snowfall days in December: 0.8 days

The month with the highest number of snowfall days is February (1.3 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 - Castet-Arrouy, France
Average daylight in December /
Average sunshine in December
Castet-Arrouy, 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 0min).

Average sunshine days in December - Castet-Arrouy, France
Average sunshine days in December
Castet-Arrouy, France
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in December - Castet-Arrouy, France
Average UV index in December
Castet-Arrouy, France
  • Average UV index in December: 3

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

Average cloud cover in December - Castet-Arrouy, France
Average cloud cover in December
Castet-Arrouy, France
  • Average cloud cover in December: 45

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in December - Castet-Arrouy, France
Average visibility in December
Castet-Arrouy, France
  • Average visibility in December: 9km

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

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