December weather forecastColy, France

December

Weather in December

December, the first month of the winter in Coly, is still a chilly month, with an average temperature ranging between min 2.6°C (36.7°F) and max 8.8°C (47.8°F).

Temperature

The onset of December results in a small decrease in the average high-temperature, moderately receding from a cool 12.2°C (54°F) in November to a frosty 8.8°C (47.8°F). Throughout December, the nighttime temperature averages to a cold 2.6°C (36.7°F).

Humidity

November and December, with an average relative humidity of 88%, are the most humid months in Coly, France.

Rainfall

In December, the rain falls for 13.3 days. Throughout December, 57mm (2.24") of precipitation is accumulated. Throughout the year, there are 157.8 rainfall days, and 575mm (22.64") of precipitation is accumulated.

Snowfall

January, February, November and December are months with snowfall in Coly. In December, it is snowing for 1.1 days. Throughout December, 4mm (0.16") of snow is accumulated. In Coly, during the entire year, snow falls for 5.1 days and aggregates up to 28mm (1.1") of snow.

Daylight

With an average of 8h and 48min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 08:13 and sunset at 17:14. On the last day of December, in Coly, sunrise is at 08:33 and sunset at 17:22 CET.

Sunshine

In December, the average sunshine in Coly is 4.6h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Coly. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: In December, the maximum UV index of 2 suggests this advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.

Frequently asked questions

The average high-temperature and low-temperature in Coly, France, during December are 8.8°C (47.8°F) and 2.6°C (36.7°F) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is appraised at 29°C (84.2°F).

November and December, with an average relative humidity of 88%, are most humid months.

In Coly, the average relative humidity in December is 88%.

In Coly, France, in December, during 13.3 rainfall days, 57mm (2.24") of precipitation is typically accumulated.

In December, it is snowing for 1.1 days. Throughout December, 4mm (0.16") of snow is accumulated.

The month with the shortest days in Coly is December, with an average of 8h and 48min of daylight.

In Coly, the average day length in December is 8h and 50min.

In December, on the first day of the month, sunrise is at 08:13 and sunset at 17:14. On the last day of the month, in Coly, sunrise is at 08:33 and sunset at 17:22 CET.

In December, the average sunshine duration in Coly, France, is 4.6h.

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

The average daily maximum UV index in December in Coly is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Coly, France

  • Average high temperature in December: 8.8°C

The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (8°C).

  • Average low temperature in December: 2.6°C

The month with the highest average low temperature is July (14.1°C).
The coldest month (with the lowest average low temperature) is February (1.1°C).

Average pressure in December
Coly, 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 November (1015.4mbar).

Average wind speed in December
Coly, France

  • Average wind speed in December: 9.2km/h

The windiest months (with the highest average wind speed) are February and March (10.1km/h).
The calmest month (with the lowest average wind speed) is August (7.1km/h).

Average humidity in December
Coly, France

  • Average humidity in December: 88%

The months with the highest relative humidity are November and December (88%).
The month with the lowest relative humidity is August (69%).

Average rainfall in December
Coly, France

  • Average rainfall in December: 57mm

The wettest month (with the highest rainfall) is November (65mm).
The driest month (with the least rainfall) is July (26mm).

Average rainfall days in December
Coly, France

  • Average rainfall days in December: 13.3 days

The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is September (8.8 days).

Average snowfall in December
Coly, France

  • Average snowfall in December: 4mm

The month with the highest snowfall is January (11mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Coly, France

  • Average snowfall days in December: 1.1 days

The month with the highest number of snowfall days is February (1.8 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
Coly, France

  • Average daylight in December: 8h and 48min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in December: 4h and 36min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is November (Average sunshine: 4h and 18min).

Average sunshine days in December
Coly, France

  • Average sunshine days in December: 15.9 days

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is May (12.3 days).

Average UV index in December
Coly, France

  • Average UV index in December: 2

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

Average cloud cover in December
Coly, France

  • Average cloud cover in December: 54

The month with the most cloud cover is November (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in December
Coly, France

  • Average visibility in December: 7km

The month with the highest visibility is August (9km).
The months with the lowest visibility are January, November and December (7km).