December weather forecastContern, Luxembourg

December

Weather in December

Rounding off the year, December in Contern plunges into full winter mode with an average low of 0.2°C (32.4°F) and a high of 4.5°C (40.1°F). A marked shift from the mild weather conditions in November, the chillier temperature facilitates a festive and frolic-filled ambiance. A rising trend in snowfall further sets the tone for the holiday season. Though the daylight hours are curtailed drastically, the charming cityscape outlined under the soft winter sun compensates for it. December's captivating combination of cold temperatures, increased snowfall, and festive cheer concludes the city's yearly climate spectrum beautifully.

Temperature

December signals a slight drop in average high-temperature, sliding from November's chilly 7.8°C (46°F) to a wintry 4.5°C (40.1°F). Contern observes a slightly reduced average nighttime temperature of 0.2°C (32.4°F) during December.

Humidity

The most humid month is December, with an average relative humidity of 91%.

Rainfall

The month with the most rainfall in Contern is December, when the rain falls for 15.1 days and typically aggregates up to 61mm (2.4") of precipitation.

Snowfall

Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 5.9 days and typically aggregates up to 71mm (2.8") of snow.

Daylight

The month with the shortest days in Contern, Luxembourg, is December, with an average of 8h and 12min of daylight.
On the first day of the month, sunrise is at 08:10 and sunset at 16:37. On the last day of December, sunrise is at 08:31 and sunset at 16:45 CET.

Sunshine

With an average of 3.1h 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 value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.

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

Frequently asked questions

In Contern, in December, the average high-temperature is 4.5°C (40.1°F), and the average low-temperature is 0.2°C (32.4°F).

December is the most humid month in Contern, Luxembourg, with an average relative humidity of 91%.

In December, the average relative humidity in Contern, Luxembourg, is 91%.

The month with the most rainfall in Contern, Luxembourg, is December, when the rain falls for 15.1 days and typically aggregates up to 61mm (2.4") of precipitation.

In Contern, in December, during 15.1 rainfall days, 61mm (2.4") of precipitation is typically accumulated.

The month with the most snowfall in Contern, Luxembourg, is December, when snow falls for 5.9 days and typically aggregates up to 71mm (2.8") of snow.

In Contern, Luxembourg, in December, during 5.9 snowfall days, 71mm (2.8") of snow is typically accumulated.

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

The average day length in December is 8h and 14min.

On the first day of December in Contern, Luxembourg, sunrise is at 08:10 and sunset at 16:37. On the last day of the month, sunrise is at 08:31 and sunset at 16:45 CET.

The month with the least sunshine in Contern is December, with an average of 3.1h of sunshine.

In December, the average sunshine duration is 3.1h.

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 of 2, and less, symbolizes a minimal health vulnerability 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

7.8°C

4.5°C

3.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

13.9km/h

15.8km/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

12.3

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Contern, Luxembourg

Average high temperature in December: 4.5°C

The warmest months (with the highest average high temperature) are July and August (22.6°C).
The month with the lowest average high temperature is January (3.2°C).

Average low temperature in December: 0.2°C

The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).

Average pressure in December
Contern, Luxembourg

Average pressure in December: 1018.2mbar

The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).

Average wind speed in December
Contern, Luxembourg

Average wind speed in December: 14.7km/h

The windiest month (with the highest average wind speed) is February (15.2km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).

Average humidity in December
Contern, Luxembourg

Average humidity in December: 91%

The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (76%).

Average rainfall in December
Contern, Luxembourg

Average rainfall in December: 61mm

The wettest month (with the highest rainfall) is December (61mm).
The driest month (with the least rainfall) is April (33mm).

Average rainfall days in December
Contern, Luxembourg

Average rainfall days in December: 15.1 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (10.8 days).

Average snowfall in December
Contern, Luxembourg

Average snowfall in December: 71mm

The month with the highest snowfall is December (71mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Contern, Luxembourg

Average snowfall days in December: 5.9 days

The months with the highest number of snowfall days are January and February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December: 8h and 12min

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 12min).

Average sunshine in December: 3h and 6min

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 6min).

Average sunshine days in December
Contern, Luxembourg

Average sunshine days in December: 11 days

The month with the most sunshine days is September (15.8 days).
The month with the least sunshine days is June (10.4 days).

Average UV index in December
Contern, Luxembourg

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
Contern, Luxembourg

Average cloud cover in December: 70

The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in December
Contern, Luxembourg

Average visibility in December: 8km

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