December weather forecast
Dellen, Luxembourg

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Weather in December

December signals the heart of winter in Dellen, Luxembourg, replete with a lifestyle switching to holiday celebrations, indoor warmth, and the anticipation of a new year. The wintry condition returns in full swing with the year's coldest temperatures from 4.1°C (39.4°F) to 0.1°C (32.2°F) and considerable snowfall of 64mm (2.52"). Winter sports enthusiasts can rejoice as snow blankets the city, creating an optimal environment for skiing, snowboarding, and other winter adventures. The weather endows Dellen with a surreal beauty, making it an enchanting winter wonderland, imbued with the spirit of Christmas and New Year festivities. December's weather concludes the year on a chilly yet high note, creating unforgettable winter memories in Dellen.

Temperature

With the onset of December, Dellen experiences a modest temperature adjustment, with the average high-temperature gently receding from a frosty 7.5°C (45.5°F) in November to a cold 4.1°C (39.4°F). December nights in Dellen, Luxembourg, reflect a consistent temperature dip to a still icy 0.1°C (32.2°F), a slight descent from daytime peaks.

Humidity

With an average relative humidity of 92%, December is the most humid month in Dellen, Luxembourg.

Rainfall

December is the month with the most rainfall. Rain falls for 16.8 days and accumulates 70mm (2.76") of precipitation.

Snowfall

January through May, October through December are months with snowfall in Dellen. In Dellen, during December, snow falls for 6.7 days and regularly aggregates up to 64mm (2.52") of snow. In Dellen, during the entire year, snow falls for 30.3 days and aggregates up to 249mm (9.8") of snow.

Daylight

With an average of 8h and 12min of daylight, December has the shortest days of the year in Dellen.
On the first day of December, sunrise is at 08:12 and sunset at 16:37. On the last day of the month, sunrise is at 08:33 and sunset at 16:44 CET.

Sunshine

The month with the least sunshine is December, with an average of 2.9h of sunshine.

UV index

The months with the lowest UV index in Dellen are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In December, the UV index of 2 transforms into the following advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Updated: Feb 3, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

How cold does it get in Dellen in December?

The average high-temperature, in December, in Dellen, is 4.1°C (39.4°F), while the average low-temperature is 0.1°C (32.2°F).

What is the most humid month in Dellen?

December is the most humid month in Dellen, with an average relative humidity of 92%.

What is the average humidity in December in Dellen?

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

What is the wettest month in Dellen?

December is the month with the most rainfall. Rain falls for 16.8 days and accumulates 70mm (2.76") of precipitation.

How many days does it rain in December in Dellen?

In Dellen, Luxembourg, in December, it is raining for 16.8 days, with typically 70mm (2.76") of accumulated precipitation.

How many days does it snow in December in Dellen?

In Dellen, in December, during 6.7 snowfall days, 64mm (2.52") of snow is typically accumulated.

What is the month with the shortest days in Dellen?

The month with the shortest days is December, with an average of 8h and 12min of daylight.

What is the average length of the day in December in Dellen?

In Dellen, the average day length in December is 8h and 11min.

When is the sunrise / sunset in December in Dellen?

In December, on the first day of the month, sunrise is at 08:12 and sunset at 16:37. On the last day of the month, in Dellen, Luxembourg, sunrise is at 08:33 and sunset at 16:44 CET.

What is the month with the least sunshine in Dellen?

With an average of 2.9h of sunshine, December has the least sunshine of the year in Dellen.

How many hours of sunshine does Dellen have in December?

The average sunshine duration in December in Dellen, Luxembourg, is 2.9h.

When is the lowest UV index in Dellen?

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

What is the UV index reading in December in Dellen?

In Dellen, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Dellen, Luxembourg

Average temperature in December - Dellen, Luxembourg
  • Average high temperature in December: 4.1°C

The warmest month (with the highest average high temperature) is August (21.7°C).
The month with the lowest average high temperature is January (2.7°C).

  • Average low temperature in December: 0.1°C

The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).

Average pressure in December
Dellen, Luxembourg

Average pressure in December - Dellen, Luxembourg
  • Average pressure in December: 1018mbar

The month with the highest atmospheric pressure is December (1018mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).

Average wind speed in December
Dellen, Luxembourg

Average wind speed in December - Dellen, Luxembourg
  • Average wind speed in December: 15.6km/h

The windiest month (with the highest average wind speed) is February (15.9km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).

Average humidity in December
Dellen, Luxembourg

Average humidity in December - Dellen, Luxembourg
  • Average humidity in December: 92%

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

Average rainfall in December
Dellen, Luxembourg

Average rainfall in December - Dellen, Luxembourg
  • Average rainfall in December: 70mm

The wettest month (with the highest rainfall) is December (70mm).
The driest month (with the least rainfall) is April (36mm).

Average rainfall days in December
Dellen, Luxembourg

Average rainfall days in December - Dellen, Luxembourg
  • Average rainfall days in December: 16.8 days

The months with the highest number of rainy days are June and July (19.1 days).
The month with the least rainy days is February (12.7 days).

Average snowfall in December
Dellen, Luxembourg

Average snowfall in December - Dellen, Luxembourg
  • Average snowfall in December: 64mm

The month with the highest snowfall is January (78mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Dellen, Luxembourg

Average snowfall days in December - Dellen, Luxembourg
  • Average snowfall days in December: 6.7 days

The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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 5min

The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).

Average sunshine days in December
Dellen, Luxembourg

Average sunshine days in December - Dellen, Luxembourg
  • Average sunshine days in December: 9 days

The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is June (8.1 days).

Average UV index in December
Dellen, Luxembourg

Average UV index in December - Dellen, 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, March, November and December (UV index 2).

Average cloud cover in December
Dellen, Luxembourg

Average cloud cover in December - Dellen, Luxembourg
  • Average cloud cover in December: 72

The month with the most cloud cover is December (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 40).

Average visibility in December
Dellen, Luxembourg

Average visibility in December - Dellen, Luxembourg
  • Average visibility in December: 7km

The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are November and December (7km).

Dellen, Luxembourg

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