December weather forecast
Wormeldange, Luxembourg

December

Weather in December

The first month of the winter, December, is also an icy month in Wormeldange, Luxembourg, with an average temperature varying between 4.5°C (40.1°F) and 0.2°C (32.4°F).

Temperature

Start of December brings a slight shift in the average high-temperature, dipping a bit from November's chilly 7.9°C (46.2°F) to a cold 4.5°C (40.1°F). Throughout December nights, Wormeldange records a consistent low-temperature averaging 0.2°C (32.4°F).

Humidity

With an average relative humidity of 91%, December is the most humid month.

Rainfall

The month with the most rainfall in Wormeldange is December, when the rain falls for 17.1 days and typically aggregates up to 69mm (2.72") of precipitation.

Snowfall

January through April, October through December are months with snowfall. The months with the most snowfall are January and December, with an average 66mm (2.6") of accumulated snow.

Daylight

With an average of 8h and 12min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 08:10 and sunset at 16:37. On the last day of December, in Wormeldange, sunrise is at 08:31 and sunset at 16:44 CET.

Sunshine

With an average of 3.1h of sunshine, December has the least sunshine of the year.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.
Note: In December, a daily UV index of 2 turns into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

Frequently asked questions

Is December cold in Wormeldange?
In December, the average high-temperature and low-temperature in Wormeldange are 4.5°C (40.1°F) and 0.2°C (32.4°F) respectively.
What is the most humid month in Wormeldange?
With an average relative humidity of 91%, December is the most humid month.
What is the average humidity in December in Wormeldange?
In Wormeldange, the average relative humidity in December is 91%.
What is the rainiest month in Wormeldange?
The month with the most rainfall in Wormeldange, Luxembourg, is December, when the rain falls for 17.1 days and typically aggregates up to 69mm (2.72") of precipitation.
How much does it rain in Wormeldange in December?
In Wormeldange, Luxembourg, during December, the rain falls for 17.1 days and regularly aggregates up to 69mm (2.72") of precipitation.
What is the snowiest month in Wormeldange?
The months with the most snowfall are January and December, with an average 66mm (2.6") of accumulated snow.
How many days does it snow in December in Wormeldange?
In Wormeldange, Luxembourg, in December, during 6.9 snowfall days, 66mm (2.6") of snow is typically accumulated.
What is the month with the shortest days in Wormeldange?
The month with the shortest days in Wormeldange, Luxembourg, is December, with an average of 8h and 12min of daylight.
How many hours of daylight does Wormeldange have in December?
In December, the average day length in Wormeldange is 8h and 13min.
When are sunrise and sunset in December in Wormeldange?
On the first day of December in Wormeldange, 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 16:44 CET.
What is the month with the least sunshine in Wormeldange?
The month with the least sunshine in Wormeldange is December, with an average of 3.1h of sunshine.
How long on average sun shines in December in Wormeldange?
The average sunshine duration in December in Wormeldange, Luxembourg, is 3.1h.
What is the month with the lowest UV index in Wormeldange?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Wormeldange, Luxembourg.
What is the UV index reading in December in Wormeldange?
In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
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
Wormeldange, Luxembourg
  • Average high temperature in December: 4.5°C

The warmest month (with the highest average high temperature) is July (22.7°C).
The month with the lowest average high temperature is January (3.1°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 (-1.3°C).

Average pressure in December
Wormeldange, Luxembourg
  • Average pressure in December: 1018.3mbar

The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1014.2mbar).

Average wind speed in December
Wormeldange, Luxembourg
  • Average wind speed in December: 14.2km/h

The windiest month (with the highest average wind speed) is February (14.7km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).

Average humidity in December
Wormeldange, Luxembourg
  • Average humidity in December: 91%

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

Average rainfall in December
Wormeldange, Luxembourg
  • Average rainfall in December: 69mm

The wettest month (with the highest rainfall) is December (69mm).
The driest month (with the least rainfall) is July (25mm).

Average rainfall days in December
Wormeldange, Luxembourg
  • Average rainfall days in December: 17.1 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is September (9.6 days).

Average snowfall in December
Wormeldange, Luxembourg
  • Average snowfall in December: 66mm

The months with the highest snowfall are January and December (66mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December
Wormeldange, Luxembourg
  • Average snowfall days in December: 6.9 days

The month with the highest number of snowfall days is January (7.9 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
Wormeldange, 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 48min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).

Average sunshine days in December
Wormeldange, Luxembourg
  • Average sunshine days in December: 7.6 days

The month with the most sunshine days is August (17.6 days).
The month with the least sunshine days is December (7.6 days).

Average UV index in December
Wormeldange, 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
Wormeldange, 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
Wormeldange, Luxembourg
  • Average visibility in December: 7km

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

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