December weather forecast
Sainte-Geneviève-lès-Gasny, France

December

Weather in December

December, the first month of the winter in Sainte-Geneviève-lès-Gasny, is still a chilly month, with an average temperature fluctuating between 7.4°C (45.3°F) and 2.6°C (36.7°F).

Temperature

December's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's cool 10.5°C (50.9°F) to a chilly 7.4°C (45.3°F). A consistent average low of 2.6°C (36.7°F) is noted in Sainte-Geneviève-lès-Gasny, France throughout December, only a small step down from its daytime high.

Humidity

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

Rainfall

In Sainte-Geneviève-lès-Gasny, France, during December, the rain falls for 16.9 days and regularly aggregates up to 60mm (2.36") of precipitation. Throughout the year, in Sainte-Geneviève-lès-Gasny, there are 195 rainfall days, and 553mm (21.77") of precipitation is accumulated.

Snowfall

Months with snowfall in Sainte-Geneviève-lès-Gasny, France, are January through March, November and December. In December, it is snowing for 1.8 days. Throughout December, 21mm (0.83") of snow is accumulated. Throughout the year, in Sainte-Geneviève-lès-Gasny, there are 9.3 snowfall days, and 73mm (2.87") of snow is accumulated.

Daylight

December has the shortest days of the year in Sainte-Geneviève-lès-Gasny, with an average of 8h and 18min of daylight.
On the first day of the month, sunrise is at 08:27 and sunset at 16:58. On the last day of December, in Sainte-Geneviève-lès-Gasny, sunrise is at 08:47 and sunset at 17:05 CET.

Sunshine

In December, the average sunshine in Sainte-Geneviève-lès-Gasny is 4.2h.

UV index

The months with the lowest UV index in Sainte-Geneviève-lès-Gasny, France, are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.
Note: A maximum UV index of 2 in December translates into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.

Frequently asked questions

What are the temperatures in Sainte-Geneviève-lès-Gasny in December?
In Sainte-Geneviève-lès-Gasny, in December, the average high-temperature is 7.4°C (45.3°F), and the average low-temperature is 2.6°C (36.7°F).
What are the most humid months in Sainte-Geneviève-lès-Gasny?
January and December, with an average relative humidity of 87%, are most humid months.
What is the average humidity in December in Sainte-Geneviève-lès-Gasny?
In Sainte-Geneviève-lès-Gasny, the average relative humidity in December is 87%.
How much does it rain in Sainte-Geneviève-lès-Gasny in December?
In Sainte-Geneviève-lès-Gasny, in December, during 16.9 rainfall days, 60mm (2.36") of precipitation is typically accumulated.
How many days does it snow in December in Sainte-Geneviève-lès-Gasny?
In December, in Sainte-Geneviève-lès-Gasny, it is snowing for 1.8 days. Throughout December, 21mm (0.83") of snow is accumulated.
What is the month with the shortest days in Sainte-Geneviève-lès-Gasny?
With an average of 8h and 18min of daylight, December has the shortest days of the year.
What is the average length of the day in December in Sainte-Geneviève-lès-Gasny?
In Sainte-Geneviève-lès-Gasny, the average day length in December is 8h and 18min.
When is the sunrise / sunset in December in Sainte-Geneviève-lès-Gasny?
In December, on the first day of the month, sunrise is at 08:27 and sunset at 16:58. On the last day of the month, in Sainte-Geneviève-lès-Gasny, France, sunrise is at 08:47 and sunset at 17:05 CET.
How long on average sun shines in December in Sainte-Geneviève-lès-Gasny?
In December, the average sunshine duration in Sainte-Geneviève-lès-Gasny, France, is 4.2h.
What are the months with the lowest UV index in Sainte-Geneviève-lès-Gasny?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
How high is the UV index in December in Sainte-Geneviève-lès-Gasny?
In Sainte-Geneviève-lès-Gasny, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat 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
Sainte-Geneviève-lès-Gasny, France
  • Average high temperature in December: 7.4°C

The warmest month (with the highest average high temperature) is August (24°C).
The month with the lowest average high temperature is January (6.3°C).

  • Average low temperature in December: 2.6°C

The month with the highest average low temperature is August (13.8°C).
The coldest months (with the lowest average low temperature) are January and February (1.3°C).

Average pressure in December
Sainte-Geneviève-lès-Gasny, France
  • Average pressure in December: 1018mbar

The month with the highest atmospheric pressure is September (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.1mbar).

Average wind speed in December
Sainte-Geneviève-lès-Gasny, France
  • Average wind speed in December: 16.2km/h

The windiest month (with the highest average wind speed) is February (16.5km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).

Average humidity in December
Sainte-Geneviève-lès-Gasny, France
  • Average humidity in December: 87%

The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (72%).

Average rainfall in December
Sainte-Geneviève-lès-Gasny, France
  • Average rainfall in December: 60mm

The wettest month (with the highest rainfall) is June (69mm).
The driest month (with the least rainfall) is September (24mm).

Average rainfall days in December
Sainte-Geneviève-lès-Gasny, France
  • Average rainfall days in December: 16.9 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is September (12.8 days).

Average snowfall in December
Sainte-Geneviève-lès-Gasny, France
  • Average snowfall in December: 21mm

The month with the highest snowfall is February (24mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Sainte-Geneviève-lès-Gasny, France
  • Average snowfall days in December: 1.8 days

The month with the highest number of snowfall days is February (3.2 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
Sainte-Geneviève-lès-Gasny, France
  • Average daylight in December: 8h and 2min

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: 4h and 1min

The month with the most sunshine is June (Average sunshine: 9h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in December
Sainte-Geneviève-lès-Gasny, France
  • Average sunshine days in December: 10.1 days

The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is June (8.2 days).

Average UV index in December
Sainte-Geneviève-lès-Gasny, 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
Sainte-Geneviève-lès-Gasny, France
  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 40).

Average visibility in December
Sainte-Geneviève-lès-Gasny, France
  • Average visibility in December: 9km

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

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