December weather forecastSistels, France

December

Weather in December

The first month of the winter, December, is still a cool month in Sistels, France, with an average temperature fluctuating between 4.3°C (39.7°F) and 10.1°C (50.2°F).

Temperature

With the onset of December, Sistels experiences a modest temperature adjustment, with the average high-temperature gently receding from a mild 13.5°C (56.3°F) in November to a cool 10.1°C (50.2°F). An average nighttime temperature of 4.3°C (39.7°F) is witnessed in Sistels throughout December.

Humidity

In Sistels, the average relative humidity in December is 84%.

Rainfall

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

Snowfall

January through March and December are months with snowfall. 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 Sistels, there are 3 snowfall days, and 26mm (1.02") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 0min of daylight.
On the first day of December, sunrise is at 08:12 and sunset at 17:19. On the last day of the month, sunrise is at 08:31 and sunset at 17:28 CET.

Sunshine

The average sunshine in December in Sistels is 5.3h.

UV index

In December, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high UV index of 3 in December translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.

Frequently asked questions

In Sistels, in December, the average high-temperature is 10.1°C (50.2°F), and the average low-temperature is 4.3°C (39.7°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, in August is computed to be 31°C (87.8°F).

The average relative humidity in December is 84%.

In Sistels, during December, the rain falls for 13.5 days and regularly aggregates up to 48mm (1.89") of precipitation.

December is the first month it typically snows in Sistels, France. Throughout December, in the average 0.8 snowfall days, it receives 6mm (0.24") of snow.

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

The average day length in December in Sistels, France, is 8h and 57min.

On the first day of December in Sistels, France, sunrise is at 08:12 and sunset at 17:19. On the last day of the month, sunrise is at 08:31 and sunset at 17:28 CET.

In December, the average sunshine duration in Sistels is 5.3h.

The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
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
Sistels, 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
Sistels, 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
Sistels, 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
Sistels, 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
Sistels, 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
Sistels, 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
Sistels, 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
Sistels, 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
Sistels, 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 18min

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
Sistels, 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
Sistels, 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
Sistels, 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
Sistels, 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).