December weather forecastMarnach, Luxembourg

December

Weather in December

December in Marnach rings in the winter season with the reemergence of snowfall, accumulating up to 88mm (3.46") and transforming the cityscape into a winter wonderland for 7.3 days. The temperatures take a considerable plunge, indicating the onset of peak winter conditions. With the festive season in full swing, the city is draped in a magical winter charm further amplified by shorter daylight hours and long, cosy nights. With high relative humidity and consistent pressure, Marnach maintains a predictable winter weather. The month ends with a white blanket enveloping the city, mirroring a typical December winter in Marnach.

Temperature

During the shift to December, a minor reduction in average high-temperature is observed, shifting from a frosty 7.3°C (45.1°F) in November to an icy 3.9°C (39°F). In December, Marnach's nighttime temperatures demonstrate a slight decrease, stabilizing at an average of -0.3°C (31.5°F).

Humidity

January, November and December, with an average relative humidity of 92%, are the most humid months in Marnach.

Rainfall

The month with the most rainfall in Marnach is December, when the rain falls for 13.3 days and typically aggregates up to 66mm (2.6") of precipitation.

Snowfall

Months with snowfall in Marnach, Luxembourg, are January through May, October through December. In December, in Marnach, Luxembourg, it is snowing for 7.3 days. Throughout December, 88mm (3.46") of snow is accumulated. Throughout the year, in Marnach, Luxembourg, there are 39.8 snowfall days, and 371mm (14.61") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h and 12min of daylight.
On the first day of the month, sunrise is at 08:13 and sunset at 16:36. On the last day of December, in Marnach, sunrise is at 08:34 and sunset at 16:43 CET.

Sunshine

December has the least sunshine of the year in Marnach, with an average of 2.7h of sunshine.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.

Updated: Feb 3, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In December, the average high-temperature and low-temperature in Marnach, Luxembourg, are 3.9°C (39°F) and -0.3°C (31.5°F) respectively.

The months with the highest humidity in Marnach, Luxembourg, are January, November and December, with an average relative humidity of 92%.

In Marnach, Luxembourg, the average relative humidity in December is 92%.

The month with the most rainfall is December, when the rain falls for 13.3 days and typically aggregates up to 66mm (2.6") of precipitation.

In Marnach, during December, the rain falls for 13.3 days and regularly aggregates up to 66mm (2.6") of precipitation.

In Marnach, Luxembourg, in December, snow falls for 7.3 days, with typically accumulated 88mm (3.46") of snow.

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

The average day length in December is 8h and 10min.

In December, on the first day of the month, sunrise is at 08:13 and sunset at 16:36. On the last day of the month, in Marnach, Luxembourg, sunrise is at 08:34 and sunset at 16:43 CET.

The month with the least sunshine in Marnach is December, with an average of 2.7h of sunshine.

In Marnach, Luxembourg, the average sunshine duration in December is 2.7h.

January through March, October through 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 of 2, and less, symbolizes 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

7.3°C

3.9°C

2.4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

15.1km/h

17km/h

16.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

11.8

11.1

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Marnach, Luxembourg

Average high temperature in December: 3.9°C

The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (2.4°C).

Average low temperature in December: -0.3°C

The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is January (-1.9°C).

Average pressure in December
Marnach, Luxembourg

Average pressure in December: 1017.7mbar

The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).

Average wind speed in December
Marnach, Luxembourg

Average wind speed in December: 15.9km/h

The windiest month (with the highest average wind speed) is February (16.2km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).

Average humidity in December
Marnach, Luxembourg

Average humidity in December: 92%

The months with the highest relative humidity are January, November and December (92%).
The month with the lowest relative humidity is April (79%).

Average rainfall in December
Marnach, Luxembourg

Average rainfall in December: 66mm

The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is April (31mm).

Average rainfall days in December
Marnach, Luxembourg

Average rainfall days in December: 13.3 days

The months with the highest number of rainy days are June and July (17.3 days).
The month with the least rainy days is February (9.2 days).

Average snowfall in December
Marnach, Luxembourg

Average snowfall in December: 88mm

The month with the highest snowfall is February (105mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Marnach, Luxembourg

Average snowfall days in December: 7.3 days

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Marnach, Luxembourg

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: 2h and 42min

The months with the most sunshine are July and August (Average sunshine: 8h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).

Average sunshine days in December
Marnach, Luxembourg

Average sunshine days in December: 11.1 days

The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in December
Marnach, Luxembourg

Average UV index in December: 2

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).