December weather forecastOissy, France

December

Weather in December

December, the first month of the winter in Oissy, is also a frosty month, with temperature in the range of an average low of 2.7°C (36.9°F) and an average high of 6.8°C (44.2°F).

Temperature

Oissy's progression into December involves a gentle drop in the average high-temperature, from a fresh 10°C (50°F) in November to a chilly 6.8°C (44.2°F). The nights of December cool down to an average low of 2.7°C (36.9°F), subtly lower than daytime highs.

Humidity

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

Rainfall

The month with the most rainfall in Oissy is December, when the rain falls for 14.2 days and typically aggregates up to 43mm (1.69") of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In December, it is snowing for 1.3 days. Throughout December, 11mm (0.43") of snow is accumulated. Throughout the year, there are 7.1 snowfall days, and 38mm (1.5") of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 8h and 12min of daylight.
On the first day of December in Oissy, sunrise is at 08:28 and sunset at 16:53. On the last day of the month, sunrise is at 08:49 and sunset at 17:00 CET.

Sunshine

In Oissy, the average sunshine in December is 4h.

UV index

The months with the lowest UV index in Oissy 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 unprotected exposure to Sun's UV rays for the average person.
Note: A maximum UV index of 2 in December translates into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.

Frequently asked questions

The average high-temperature, in December, in Oissy, is 6.8°C (44.2°F), while the average low-temperature is 2.7°C (36.9°F).

The months with the highest humidity in Oissy are January and December, with an average relative humidity of 88%.

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

The month with the most rainfall is December, when the rain falls for 14.2 days and typically aggregates up to 43mm (1.69") of precipitation.

In December, the rain falls for 14.2 days. Throughout December, 43mm (1.69") of precipitation is accumulated.

In December, it is snowing for 1.3 days. Throughout December, 11mm (0.43") of snow is accumulated.

With an average of 8h and 12min of daylight, December has the shortest days of the year in Oissy.

In Oissy, the average day length in December is 8h and 11min.

On the first day of December in Oissy, sunrise is at 08:28 and sunset at 16:53. On the last day of the month, sunrise is at 08:49 and sunset at 17:00 CET.

In Oissy, the average sunshine duration in December is 4h.

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

In December, the average daily maximum UV index in Oissy 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
Oissy, France

  • Average high temperature in December: 6.8°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 (5.8°C).

  • Average low temperature in December: 2.7°C

The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (1°C).

Average pressure in December
Oissy, France

  • Average pressure in December: 1017mbar

The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).

Average wind speed in December
Oissy, France

  • Average wind speed in December: 17.9km/h

The windiest month (with the highest average wind speed) is February (18.2km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).

Average humidity in December
Oissy, France

  • Average humidity in December: 88%

The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is August (76%).

Average rainfall in December
Oissy, France

  • Average rainfall in December: 43mm

The wettest month (with the highest rainfall) is December (43mm).
The driest month (with the least rainfall) is September (16mm).

Average rainfall days in December
Oissy, France

  • Average rainfall days in December: 14.2 days

The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is September (11.3 days).

Average snowfall in December
Oissy, France

  • Average snowfall in December: 11mm

The month with the highest snowfall is January (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Oissy, France

  • Average snowfall days in December: 1.3 days

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Oissy, France

  • Average daylight in December: 8h and 12min

The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in December: 4h and 0min

The month with the most sunshine is June (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in December
Oissy, France

  • Average sunshine days in December: 12.1 days

The month with the most sunshine days is March (15.1 days).
The month with the least sunshine days is July (10.6 days).

Average UV index in December
Oissy, 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
Oissy, France

  • Average cloud cover in December: 60

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 41).

Average visibility in December
Oissy, France

  • Average visibility in December: 9km

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