December weather forecastCognin, France

December

Weather in December

The first month of the winter, December, is also an icy month in Cognin, France, with an average temperature fluctuating between -1.3°C (29.7°F) and 4.7°C (40.5°F).

Temperature

In Cognin, the beginning of December is marked by a marginally lowered average high-temperature, shifting from November's frosty 8.3°C (46.9°F) to a cold 4.7°C (40.5°F). Throughout December, Cognin records an average temperature of -1.3°C (29.7°F) at night.

Humidity

In December, the average relative humidity in Cognin is 85%.

Rainfall

In Cognin, during December, the rain falls for 8.1 days and regularly aggregates up to 36mm (1.42") of precipitation. In Cognin, France, during the entire year, the rain falls for 130.1 days and collects up to 394mm (15.51") of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Cognin, during December, snow falls for 10.7 days and regularly aggregates up to 136mm (5.35") of snow. Throughout the year, there are 61.9 snowfall days, and 737mm (29.02") of snow is accumulated.

Daylight

December has the shortest days of the year in Cognin, with an average of 8h and 48min of daylight.
On the first day of December in Cognin, sunrise is at 07:56 and sunset at 16:54. On the last day of the month, sunrise is at 08:16 and sunset at 17:02 CET.

Sunshine

In Cognin, the average sunshine in December is 5h.

UV index

The months with the lowest UV index in Cognin are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 2 during December translates into these guidelines:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.

Frequently asked questions

The high-temperature during December is 4.7°C (40.5°F) and the low-temperature is -1.3°C (29.7°F).

In December, the average relative humidity in Cognin, France, is 85%.

In Cognin, during December, the rain falls for 8.1 days and regularly aggregates up to 36mm (1.42") of precipitation.

In Cognin, France, in December, snow falls for 10.7 days, with typically accumulated 136mm (5.35") of snow.

With an average of 8h and 48min of daylight, December has the shortest days of the year.

The average day length in December is 8h and 46min.

On the first day of December, sunrise is at 07:56 and sunset at 16:54. On the last day of the month, sunrise is at 08:16 and sunset at 17:02 CET.

The average sunshine duration in December in Cognin is 5h.

The months with the lowest UV index in Cognin, France, are January through March, November and December, with an average maximum UV index of 2.

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Cognin, France

  • Average high temperature in December: 4.7°C

The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (2.8°C).

  • Average low temperature in December: -1.3°C

The month with the highest average low temperature is July (12.1°C).
The coldest months (with the lowest average low temperature) are January and February (-2.8°C).

Average pressure in December
Cognin, France

  • Average pressure in December: 1020.8mbar

The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015mbar).

Average wind speed in December
Cognin, France

  • Average wind speed in December: 9.6km/h

The windiest month (with the highest average wind speed) is February (10.2km/h).
The calmest month (with the lowest average wind speed) is September (7.7km/h).

Average humidity in December
Cognin, France

  • Average humidity in December: 85%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (76%).

Average rainfall in December
Cognin, France

  • Average rainfall in December: 36mm

The wettest month (with the highest rainfall) is June (47mm).
The driest month (with the least rainfall) is September (20mm).

Average rainfall days in December
Cognin, France

  • Average rainfall days in December: 8.1 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is February (5.7 days).

Average snowfall in December
Cognin, France

  • Average snowfall in December: 136mm

The month with the highest snowfall is February (153mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Cognin, France

  • Average snowfall days in December: 10.7 days

The month with the highest number of snowfall days is January (14.6 days).
The months with the least snowfall days are July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Cognin, 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: 5h and 0min

The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in December
Cognin, France

  • Average sunshine days in December: 17.4 days

The month with the most sunshine days is December (17.4 days).
The month with the least sunshine days is June (12 days).

Average UV index in December
Cognin, 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, March, November and December (UV index 2).

Average cloud cover in December
Cognin, France

  • Average cloud cover in December: 48

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in December
Cognin, 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).