December weather forecast
Contern, Luxembourg

December

Weather in December

Rounding off the year, December in Contern plunges into full winter mode with an average low of 32.4°F and a high of 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 46°F to a wintry 40.1°F. Contern observes a slightly reduced average nighttime temperature of 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 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 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.

Frequently asked questions

How cold does it get in Contern in December?
In Contern, in December, the average high-temperature is 40.1°F, and the average low-temperature is 32.4°F.
What is the most humid month in Contern?
December is the most humid month in Contern, Luxembourg, with an average relative humidity of 91%.
What is the average humidity in December in Contern?
In December, the average relative humidity in Contern, Luxembourg, is 91%.
What is the wettest month in Contern?
The month with the most rainfall in Contern, Luxembourg, is December, when the rain falls for 15.1 days and typically aggregates up to 2.4" of precipitation.
How much does it rain in Contern in December?
In Contern, in December, during 15.1 rainfall days, 2.4" of precipitation is typically accumulated.
What is the snowiest month in Contern?
The month with the most snowfall in Contern, Luxembourg, is December, when snow falls for 5.9 days and typically aggregates up to 2.8" of snow.
How much does it snow in Contern in December?
In Contern, Luxembourg, in December, during 5.9 snowfall days, 2.8" of snow is typically accumulated.
What is the month with the shortest days in Contern?
December has the shortest days of the year, with an average of 8h and 12min of daylight.
How many hours of daylight does Contern have in December?
The average day length in December is 8h and 14min.
When is the sunrise / sunset in December in Contern?
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.
What is the month with the least sunshine in Contern?
The month with the least sunshine in Contern is December, with an average of 3.1h of sunshine.
How long on average sun shines in December in Contern?
In December, the average sunshine duration is 3.1h.
What are the months with the lowest UV index in Contern?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the UV index intensity in December in Contern?
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.
Average high temperature
Average low temperature
Average pressure
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 - Contern, Luxembourg
Average temperature in December
Contern, Luxembourg
  • Average high temperature in December: 40.1°F

The warmest months (with the highest average high temperature) are July and August (72.7°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in December: 32.4°F

The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

Average pressure in December - Contern, Luxembourg
Average pressure in December
Contern, Luxembourg
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is December (30.07"Hg).
The month with the lowest atmospheric pressure is November (29.95"Hg).

Average wind speed in December - Contern, Luxembourg
Average wind speed in December
Contern, Luxembourg
  • Average wind speed in December: 9.1mph

The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in December - Contern, Luxembourg
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
Contern, Luxembourg
  • Average rainfall in December: 2.4"

The wettest month (with the highest rainfall) is December (2.4").
The driest month (with the least rainfall) is April (1.3").

Average rainfall days in December - Contern, Luxembourg
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
Contern, Luxembourg
  • Average snowfall in December: 2.8"

The month with the highest snowfall is December (2.8").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December - Contern, Luxembourg
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 /
Average sunshine in December
Contern, Luxembourg
  • Average daylight in December: 8h and 1min

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 1min

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
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
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
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
Contern, Luxembourg
  • Average visibility in December: 5mi

The months with the highest visibility are March, April, July and August (6mi).
The months with the lowest visibility are January, February, May, June, September, October, November and December (5mi).

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