December weather forecastCoolus, France

December

Weather in December

The first month of the winter, December, is also a frosty month in Coolus, France, with an average temperature ranging between max 6.4°C (43.5°F) and min 1.9°C (35.4°F).

Temperature

December heralds a minor drop in average high-temperature, sliding from November's frosty 9.5°C (49.1°F) to a still chilly 6.4°C (43.5°F). During the month of December, Coolus's average nighttime temperature closely mirrors its daytime counterpart, at a wintry 1.9°C (35.4°F).

Humidity

With an average relative humidity of 89%, December is the most humid month.

Rainfall

December is the month with the most rainfall. Rain falls for 16.9 days and accumulates 69mm (2.72") of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Coolus, in December, during 3.2 snowfall days, 31mm (1.22") of snow is typically accumulated. In Coolus, during the entire year, snow falls for 12.3 days and aggregates up to 111mm (4.37") of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 18min of daylight.
On the first day of the month, sunrise is at 08:15 and sunset at 16:48. On the last day of December, sunrise is at 08:36 and sunset at 16:55 CET.

Sunshine

With an average of 3.6h of sunshine, December has the least sunshine of the year.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Coolus. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.

Frequently asked questions

Coolus in December has an average high-temperature of 6.4°C (43.5°F) and an average low-temperature of 1.9°C (35.4°F).

The most humid month in Coolus is December, with an average relative humidity of 89%.

The average relative humidity in December is 89%.

December is the month with the most rainfall in Coolus. Rain falls for 16.9 days and accumulates 69mm (2.72") of precipitation.

In Coolus, France, in December, it is raining for 16.9 days, with typically 69mm (2.72") of accumulated precipitation.

In December, in Coolus, France, it is snowing for 3.2 days. Throughout December, 31mm (1.22") of snow is accumulated.

The month with the shortest days in Coolus is December, with an average of 8h and 18min of daylight.

In Coolus, France, the average day length in December is 8h and 19min.

In December, on the first day of the month, sunrise is at 08:15 and sunset at 16:48. On the last day of the month, in Coolus, sunrise is at 08:36 and sunset at 16:55 CET.

With an average of 3.6h of sunshine, December has the least sunshine of the year in Coolus, France.

In December, the average sunshine duration in Coolus, France, is 3.6h.

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

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

  • Average high temperature in December: 6.4°C

The warmest month (with the highest average high temperature) is August (24.4°C).
The month with the lowest average high temperature is January (5.1°C).

  • Average low temperature in December: 1.9°C

The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).

Average pressure in December
Coolus, France

  • Average pressure in December: 1018.6mbar

The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).

Average wind speed in December
Coolus, France

  • Average wind speed in December: 14km/h

The windiest months (with the highest average wind speed) are February and December (14km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).

Average humidity in December
Coolus, France

  • Average humidity in December: 89%

The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (71%).

Average rainfall in December
Coolus, France

  • Average rainfall in December: 69mm

The wettest month (with the highest rainfall) is December (69mm).
The driest month (with the least rainfall) is September (30mm).

Average rainfall days in December
Coolus, France

  • Average rainfall days in December: 16.9 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is September (10.9 days).

Average snowfall in December
Coolus, France

  • Average snowfall in December: 31mm

The month with the highest snowfall is January (37mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Coolus, France

  • Average snowfall days in December: 3.2 days

The month with the highest number of snowfall days is January (4 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
Coolus, France

  • Average daylight in December: 8h and 18min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in December: 3h and 36min

The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).

Average sunshine days in December
Coolus, France

  • Average sunshine days in December: 8.7 days

The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is December (8.7 days).

Average UV index in December
Coolus, 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
Coolus, France

  • Average cloud cover in December: 64

The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are August and September (Cloud cover 38).

Average visibility in December
Coolus, France

  • Average visibility in December: 8km

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