December weather forecastCattenom, France

December

Weather in December

The first month of the winter, December, is also a wintry month in Cattenom, France, with an average temperature varying between 4.8°C (40.6°F) and 0.8°C (33.4°F).

Temperature

December's arrival subtly correlates with a reduction in the average high-temperature, down from a chilly 8.2°C (46.8°F) in November to a cold 4.8°C (40.6°F). During December, the nighttime temperatures align closely with the daytime averages, measuring a still wintry 0.8°C (33.4°F).

Humidity

With an average relative humidity of 90%, December is the most humid month.

Rainfall

December is the month with the most rainfall. Rain falls for 16.5 days and accumulates 71mm (2.8") of precipitation.

Snowfall

January through March, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 6.2 days and accumulates 55mm (2.17") of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 18min of daylight.
On the first day of the month, sunrise is at 08:09 and sunset at 16:38. On the last day of December, sunrise is at 08:30 and sunset at 16:45 CET.

Sunshine

With an average of 3.2h of sunshine, December has the least sunshine of the year.

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 of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, an average UV index of 2 transforms into the following instructions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.

Updated: Jul 20, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in December, in Cattenom, is 4.8°C (40.6°F) and the average low-temperature is 0.8°C (33.4°F).

December is the most humid month, with an average relative humidity of 90%.

In Cattenom, the average relative humidity in December is 90%.

The month with the most rainfall is December, when the rain falls for 16.5 days and typically aggregates up to 71mm (2.8") of precipitation.

In December, the rain falls for 16.5 days. Throughout December, 71mm (2.8") of precipitation is accumulated.

The month with the most snowfall is December, when snow falls for 6.2 days and typically aggregates up to 55mm (2.17") of snow.

In December, it is snowing for 6.2 days. Throughout December, 55mm (2.17") of snow is accumulated.

December has the shortest days of the year, with an average of 8h and 18min of daylight.

In Cattenom, the average day length in December is 8h and 15min.

On the first day of December, sunrise is at 08:09 and sunset at 16:38. On the last day of the month, sunrise is at 08:30 and sunset at 16:45 CET.

With an average of 3.2h of sunshine, December has the least sunshine of the year.

The average sunshine duration in December in Cattenom is 3.2h.

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

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

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

Nov

December

Jan

Average high temperature

8.2°C

4.8°C

3.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

13.9km/h

16km/h

15.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

9.5

8.4

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Cattenom, France

Average high temperature in December: 4.8°C

The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (3.5°C).

Average low temperature in December: 0.8°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 (-0.7°C).

Average pressure in December
Cattenom, France

Average pressure in December: 1018.6mbar

The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1014.2mbar).

Average wind speed in December
Cattenom, France

Average wind speed in December: 14.9km/h

The windiest month (with the highest average wind speed) is February (15.3km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).

Average humidity in December
Cattenom, France

Average humidity in December: 90%

The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (75%).

Average rainfall in December
Cattenom, France

Average rainfall in December: 71mm

The wettest month (with the highest rainfall) is December (71mm).
The driest month (with the least rainfall) is April (36mm).

Average rainfall days in December
Cattenom, France

Average rainfall days in December: 16.5 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is September (11.7 days).

Average snowfall in December
Cattenom, France

Average snowfall in December: 55mm

The month with the highest snowfall is December (55mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in December
Cattenom, France

Average snowfall days in December: 6.2 days

The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December: 8h and 18min

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

Average sunshine in December: 3h and 12min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).

Average sunshine days in December
Cattenom, France

Average sunshine days in December: 8.4 days

The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is December (8.4 days).

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

Average cloud cover in December
Cattenom, France

Average cloud cover in December: 68

The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in December
Cattenom, France

Average visibility in December: 8km

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