December weather forecastCassel, France

December

Weather in December

The first month of the winter, December, is still a chilly month in Cassel, France, with an average temperature fluctuating between 7.2°C (45°F) and 3.4°C (38.1°F).

Temperature

The average high-temperature during December registers at a frosty 7.2°C (45°F), closely corresponding to the preceding month. Recording a slight decline in temperature during the nights, Cassel's December temperatures average at a cold 3.4°C (38.1°F).

Humidity

With an average relative humidity of 87%, December is the most humid month.

Rainfall

December is the month with the most rainfall in Cassel. Rain falls for 18 days and accumulates 61mm (2.4") of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Cassel, in December, during 2.5 snowfall days, 26mm (1.02") of snow is typically accumulated. Throughout the year, there are 11.4 snowfall days, and 91mm (3.58") of snow is accumulated.

Daylight

With an average of 8h and 0min of daylight, December has the shortest days of the year.
On the first day of December in Cassel, sunrise is at 08:30 and sunset at 16:47. On the last day of the month, sunrise is at 08:52 and sunset at 16:54 CET.

Sunshine

January and December, with an average of 4h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 2 during December leads to these instructions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.

Updated: Feb 7, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Cassel, 7.2°C (45°F) is the average high-temperature and 3.4°C (38.1°F) is the average low-temperature during December.

With an average relative humidity of 87%, December is the most humid month in Cassel.

In December, the average relative humidity is 87%.

December is the month with the most rainfall in Cassel, France. Rain falls for 18 days and accumulates 61mm (2.4") of precipitation.

In Cassel, France, in December, it is raining for 18 days, with typically 61mm (2.4") of accumulated precipitation.

In Cassel, in December, during 2.5 snowfall days, 26mm (1.02") of snow is typically accumulated.

The month with the shortest days is December, with an average of 8h and 0min of daylight.

The average day length in December is 8h and 2min.

In December, on the first day of the month, sunrise is at 08:30 and sunset at 16:47. On the last day of the month, in Cassel, France, sunrise is at 08:52 and sunset at 16:54 CET.

The months with the least sunshine in Cassel, France, are January and December, with an average of 4h of sunshine.

In Cassel, 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 Cassel, France, is 2. A UV Index reading of 2, and below, represents a low health threat from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

10.2°C

7.2°C

6.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

17.3km/h

19.5km/h

18.4km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

9.3

8.5

8.8

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Cassel, France

Average high temperature in December: 7.2°C

The warmest months (with the highest average high temperature) are July and August (22.7°C).
The month with the lowest average high temperature is January (6.2°C).

Average low temperature in December: 3.4°C

The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).

Average pressure in December
Cassel, France

Average pressure in December: 1015.9mbar

The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1011.9mbar).

Average wind speed in December
Cassel, France

Average wind speed in December: 18.2km/h

The windiest month (with the highest average wind speed) is December (18.2km/h).
The calmest month (with the lowest average wind speed) is August (12.9km/h).

Average humidity in December
Cassel, France

Average humidity in December: 87%

The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (74%).

Average rainfall in December
Cassel, France

Average rainfall in December: 61mm

The wettest month (with the highest rainfall) is December (61mm).
The driest month (with the least rainfall) is September (12mm).

Average rainfall days in December
Cassel, France

Average rainfall days in December: 18 days

The month with the highest number of rainy days is December (18 days).
The month with the least rainy days is September (7.5 days).

Average snowfall in December
Cassel, France

Average snowfall in December: 26mm

The month with the highest snowfall is January (34mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Cassel, France

Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is February (4 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
Cassel, France

Average daylight in December: 8h and 0min

The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).

Average sunshine in December: 4h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).

Average sunshine days in December
Cassel, France

Average sunshine days in December: 8.5 days

The month with the most sunshine days is September (21.5 days).
The months with the least sunshine days are February and December (8.5 days).

Average UV index in December
Cassel, 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
Cassel, France

Average cloud cover in December: 60

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are April and August (Cloud cover 40).

Average visibility in December
Cassel, 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).