December weather forecastRossillon, France

December

Weather in December

The first month of the winter, December, is still a cold month in Rossillon, France, with temperature in the range of an average low of 0.4°C (32.7°F) and an average high of 5.6°C (42.1°F).

Temperature

The commencement of December includes a gentle temperature shift, with the average high-temperature dropping a bit from a chilly 9.6°C (49.3°F) in November to a cold 5.6°C (42.1°F). Throughout December, Rossillon records an average temperature of 0.4°C (32.7°F) at night.

Humidity

The months with the highest humidity are November and December, with an average relative humidity of 87%.

Rainfall

The months with the most rainfall in Rossillon are May and December, with an average 112mm (4.41") of precipitation.

Snowfall

Months with snowfall are January through March, October through December. In December, in Rossillon, France, it is snowing for 3.7 days. Throughout December, 68mm (2.68") of snow is accumulated. Throughout the year, in Rossillon, there are 17.6 snowfall days, and 290mm (11.42") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h and 42min of daylight.
On the first day of the month, sunrise is at 07:58 and sunset at 16:54. On the last day of December, sunrise is at 08:18 and sunset at 17:02 CET.

Sunshine

January and December, with an average of 4.2h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 2 suggests this advice:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.

Frequently asked questions

During December, Rossillon experiences an average high-temperature of 5.6°C (42.1°F) and a low-temperature of 0.4°C (32.7°F).

November and December, with an average relative humidity of 87%, are most humid months in Rossillon.

In Rossillon, the average relative humidity in December is 87%.

The months with the most rainfall in Rossillon, France, are May and December, with an average 112mm (4.41") of precipitation.

In December, the rain falls for 14 days. Throughout December, 112mm (4.41") of precipitation is accumulated.

In December, in Rossillon, France, it is snowing for 3.7 days. Throughout December, 68mm (2.68") of snow is accumulated.

December has the shortest days of the year in Rossillon, France, with an average of 8h and 42min of daylight.

In Rossillon, France, the average day length in December is 8h and 44min.

On the first day of December, sunrise is at 07:58 and sunset at 16:54. On the last day of the month, sunrise is at 08:18 and sunset at 17:02 CET.

The months with the least sunshine in Rossillon, France, are January and December, with an average of 4.2h of sunshine.

In December, the average sunshine duration in Rossillon is 4.2h.

The months with the lowest UV index in Rossillon are January, February, November and December, with an average maximum UV index of 2.

In Rossillon, France, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal 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
Rossillon, France

  • Average high temperature in December: 5.6°C

The warmest months (with the highest average high temperature) are July and August (24.8°C).
The month with the lowest average high temperature is January (4.4°C).

  • Average low temperature in December: 0.4°C

The months with the highest average low temperature are July and August (13.4°C).
The coldest months (with the lowest average low temperature) are January and February (-0.9°C).

Average pressure in December
Rossillon, France

  • Average pressure in December: 1021.3mbar

The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

Average wind speed in December
Rossillon, France

  • Average wind speed in December: 9.7km/h

The windiest month (with the highest average wind speed) is February (10.6km/h).
The calmest month (with the lowest average wind speed) is August (7.5km/h).

Average humidity in December
Rossillon, France

  • Average humidity in December: 87%

The months with the highest relative humidity are November and December (87%).
The month with the lowest relative humidity is August (76%).

Average rainfall in December
Rossillon, France

  • Average rainfall in December: 112mm

The wettest months (with the highest rainfall) are May and December (112mm).
The driest month (with the least rainfall) is September (65mm).

Average rainfall days in December
Rossillon, France

  • Average rainfall days in December: 14 days

The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is February (12.8 days).

Average snowfall in December
Rossillon, France

  • Average snowfall in December: 68mm

The month with the highest snowfall is January (79mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in December
Rossillon, France

  • Average snowfall days in December: 3.7 days

The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are April, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Rossillon, France

  • Average daylight in December: 8h and 42min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in December: 4h and 12min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).

Average sunshine days in December
Rossillon, France

  • Average sunshine days in December: 13.5 days

The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is June (8.9 days).

Average UV index in December
Rossillon, France

  • Average UV index in December: 2

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

Average cloud cover in December
Rossillon, France

  • Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in December
Rossillon, France

  • Average visibility in December: 8km

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