December weather forecastLe Roulier, France

December

Weather in December

December, the first month of the winter in Le Roulier, is still a cold month, with temperature in the range of an average low of 0.3°C (32.5°F) and an average high of 5°C (41°F).

Temperature

As December arrives, Le Roulier's weather displays a minor decrease in high-temperatures, transitioning from November's chilly 8.2°C (46.8°F) to a cold 5°C (41°F). Nights in Le Roulier during December maintain a steady temperature, averaging at a still wintry 0.3°C (32.5°F).

Humidity

The months with the highest humidity are January and December, with an average relative humidity of 89%.

Rainfall

December is the month with the most rainfall. Rain falls for 15.5 days and accumulates 84mm (3.31") of precipitation.

Snowfall

Months with snowfall in Le Roulier are January through May, October through December. In Le Roulier, in December, snow falls for 7.2 days, with typically accumulated 84mm (3.31") of snow. Throughout the year, in Le Roulier, there are 31.7 snowfall days, and 349mm (13.74") of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 8h and 24min of daylight.
On the first day of the month, sunrise is at 08:03 and sunset at 16:42. On the last day of December, in Le Roulier, France, sunrise is at 08:23 and sunset at 16:49 CET.

Sunshine

The months with the least sunshine are January and December, with an average of 3.8h of sunshine.

UV index

The months with the lowest UV index in Le Roulier 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 health risk from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 2 during December leads to these advisories:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.

Frequently asked questions

December temperatures in Le Roulier vary between a high-temperature of 5°C (41°F) and a low-temperature of 0.3°C (32.5°F).

January and December, with an average relative humidity of 89%, are most humid months in Le Roulier.

The average relative humidity in December is 89%.

The month with the most rainfall in Le Roulier is December, when the rain falls for 15.5 days and typically aggregates up to 84mm (3.31") of precipitation.

In December, in Le Roulier, France, the rain falls for 15.5 days. Throughout December, 84mm (3.31") of precipitation is accumulated.

In Le Roulier, in December, snow falls for 7.2 days, with typically accumulated 84mm (3.31") of snow.

With an average of 8h and 24min of daylight, December has the shortest days of the year in Le Roulier, France.

The average day length in December is 8h and 26min.

In December, on the first day of the month, sunrise is at 08:03 and sunset at 16:42. On the last day of the month, sunrise is at 08:23 and sunset at 16:49 CET.

January and December, with an average of 3.8h of sunshine, are months with the least sunshine in Le Roulier, France.

In December, the average sunshine duration is 3.8h.

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

In Le Roulier, France, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe 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
Le Roulier, France

  • Average high temperature in December: 5°C

The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (3.4°C).

  • Average low temperature in December: 0.3°C

The months with the highest average low temperature are July and August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).

Average pressure in December
Le Roulier, France

  • Average pressure in December: 1020mbar

The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is November (1015.1mbar).

Average wind speed in December
Le Roulier, France

  • Average wind speed in December: 13.9km/h

The windiest month (with the highest average wind speed) is February (14km/h).
The calmest month (with the lowest average wind speed) is August (8.4km/h).

Average humidity in December
Le Roulier, France

  • Average humidity in December: 89%

The months with the highest relative humidity are January and December (89%).
The months with the lowest relative humidity are April and August (79%).

Average rainfall in December
Le Roulier, France

  • Average rainfall in December: 84mm

The wettest month (with the highest rainfall) is December (84mm).
The driest months (with the least rainfall) are April and September (36mm).

Average rainfall days in December
Le Roulier, France

  • Average rainfall days in December: 15.5 days

The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is February (11.3 days).

Average snowfall in December
Le Roulier, France

  • Average snowfall in December: 84mm

The month with the highest snowfall is January (92mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Le Roulier, France

  • Average snowfall days in December: 7.2 days

The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Le Roulier, France

  • Average daylight in December: 8h and 24min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in December: 3h and 48min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).

Average sunshine days in December
Le Roulier, France

  • Average sunshine days in December: 10.6 days

The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is June (9.2 days).

Average UV index in December
Le Roulier, France

  • Average UV index in December: 2

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

Average cloud cover in December
Le Roulier, France

  • Average cloud cover in December: 63

The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in December
Le Roulier, France

  • Average visibility in December: 8km

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