December weather forecast
Olm, Luxembourg

December

Weather in December

December, the first month of the winter in Olm, is also an icy month, with an average temperature fluctuating between 4.4°C (39.9°F) and 0.2°C (32.4°F).

Temperature

The average high-temperature shows a slight dip in December, from November's frosty 7.5°C (45.5°F) to a cold 4.4°C (39.9°F). December nighttime temperatures hover close to the daytime peak with an average of 0.2°C (32.4°F).

Humidity

The most humid month is December, with an average relative humidity of 92%.

Rainfall

The month with the most rainfall is December, when the rain falls for 14.6 days and typically aggregates up to 73mm (2.87") of precipitation.

Snowfall

Months with snowfall in Olm, Luxembourg, are January through May, October through December. The months with the most snowfall are January and December, with an average 80mm (3.15") of accumulated snow.

Daylight

December has the shortest days of the year in Olm, with an average of 8h and 12min of daylight.
On the first day of December in Olm, sunrise is at 08:11 and sunset at 16:38. On the last day of the month, sunrise is at 08:32 and sunset at 16:45 CET.

Sunshine

With an average of 3h of sunshine, December has the least sunshine of the year in Olm, Luxembourg.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Olm. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The daily high UV index of 2 during December translates into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.

Frequently asked questions

Is December cold in Olm?
In Olm, in December, the average high-temperature is 4.4°C (39.9°F), and the average low-temperature is 0.2°C (32.4°F).
What is the most humid month in Olm?
December is the most humid month in Olm, with an average relative humidity of 92%.
What is the average humidity in December in Olm?
In Olm, Luxembourg, the average relative humidity in December is 92%.
What is the rainiest month in Olm?
The month with the most rainfall is December, when the rain falls for 14.6 days and typically aggregates up to 73mm (2.87") of precipitation.
How much does it rain in Olm in December?
In December, in Olm, Luxembourg, the rain falls for 14.6 days. Throughout December, 73mm (2.87") of precipitation is accumulated.
What is the snowiest month in Olm?
The months with the most snowfall in Olm are January and December, with an average 80mm (3.15") of accumulated snow.
How much does it snow in Olm in December?
In December, in Olm, Luxembourg, it is snowing for 8.2 days. Throughout December, 80mm (3.15") of snow is accumulated.
What is the month with the shortest days in Olm?
December has the shortest days of the year, with an average of 8h and 12min of daylight.
How many hours of daylight does Olm have in December?
In Olm, Luxembourg, the average day length in December is 8h and 13min.
When are sunrise and sunset in December in Olm?
In December, on the first day of the month, sunrise is at 08:11 and sunset at 16:38. On the last day of the month, sunrise is at 08:32 and sunset at 16:45 CET.
What is the month with the least sunshine in Olm?
With an average of 3h of sunshine, December has the least sunshine of the year in Olm.
How many hours of sunshine does Olm have in December?
In December, the average sunshine duration is 3h.
When is the lowest UV index in Olm?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Olm, Luxembourg.
What is the UV index intensity in December in Olm?
In December, the average daily maximum UV index in Olm is 2. A UV Index reading of 2, and below, represents 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
Olm, Luxembourg
  • Average high temperature in December: 4.4°C

The warmest months (with the highest average high temperature) are July and August (21.8°C).
The month with the lowest average high temperature is January (3°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 (-1.1°C).

Average pressure in December
Olm, Luxembourg
  • Average pressure in December: 1018.1mbar

The month with the highest atmospheric pressure is December (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).

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

The windiest month (with the highest average wind speed) is February (16km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).

Average humidity in December
Olm, 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 (78%).

Average rainfall in December
Olm, Luxembourg
  • Average rainfall in December: 73mm

The wettest month (with the highest rainfall) is December (73mm).
The driest month (with the least rainfall) is April (34mm).

Average rainfall days in December
Olm, Luxembourg
  • Average rainfall days in December: 14.6 days

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (11.6 days).

Average snowfall in December
Olm, Luxembourg
  • Average snowfall in December: 80mm

The months with the highest snowfall are January and December (80mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Olm, Luxembourg
  • Average snowfall days in December: 8.2 days

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Olm, 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 0min

The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).

Average sunshine days in December
Olm, Luxembourg
  • Average sunshine days in December: 9 days

The months with the most sunshine days are April and September (14.7 days).
The month with the least sunshine days is December (9 days).

Average UV index in December
Olm, 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, November and December (UV index 2).

Average cloud cover in December
Olm, Luxembourg
  • Average cloud cover in December: 71

The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 39).

Average visibility in December
Olm, Luxembourg
  • Average visibility in December: 8km

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

englishespañol中文
Share