December weather forecastLieler, Luxembourg
December weather for Lieler, Luxembourg: The first month of the winter, December, is also a wintry month in Lieler, Luxembourg, with temperature in the range of an average low of -0.3°C (31.5°F) and an average high of 3.9°C (39°F). January, November and December, with an average relative humidity of 92%, are the most humid months in Lieler, Luxembourg.
December
Weather in December
The first month of the winter, December, is also a wintry month in Lieler, Luxembourg, with temperature in the range of an average low of -0.3°C (31.5°F) and an average high of 3.9°C (39°F).Temperature
In Lieler, the average high-temperature in December gently drops from a frosty 7.3°C (45.1°F) in November to an icy 3.9°C (39°F). The month of December is marked by an average minimum temperature of -0.3°C (31.5°F), slightly cooler than its daytime counterpart.Humidity
January, November and December, with an average relative humidity of 92%, are the most humid months in Lieler, Luxembourg.Rainfall
December is the month with the most rainfall. Rain falls for 13.3 days and accumulates 66mm (2.6") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Lieler, in December, during 7.3 snowfall days, 88mm (3.46") of snow is typically accumulated. In Lieler, during the entire year, snow falls for 39.8 days and aggregates up to 371mm (14.61") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 6min of daylight.On the first day of December in Lieler, sunrise is at 08:13 and sunset at 16:36. On the last day of the month, sunrise is at 08:34 and sunset at 16:43 CET.
Sunshine
With an average of 2.7h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index in Lieler are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lieler, Luxembourg
- Average high temperature in December: 3.9°C
The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (2.4°C).
- Average low temperature in December: -0.3°C
The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is January (-1.9°C).
Average pressure in December
Lieler, Luxembourg
- Average pressure in December: 1017.7mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in December
Lieler, Luxembourg
- Average wind speed in December: 15.9km/h
The windiest month (with the highest average wind speed) is February (16.2km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in December
Lieler, Luxembourg
- Average humidity in December: 92%
The months with the highest relative humidity are January, November and December (92%).
The month with the lowest relative humidity is April (79%).
Average rainfall in December
Lieler, Luxembourg
- Average rainfall in December: 66mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is April (31mm).
Average rainfall days in December
Lieler, Luxembourg
- Average rainfall days in December: 13.3 days
The months with the highest number of rainy days are June and July (17.3 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in December
Lieler, Luxembourg
- Average snowfall in December: 88mm
The month with the highest snowfall is February (105mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Lieler, Luxembourg
- Average snowfall days in December: 7.3 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lieler, Luxembourg
- Average daylight in December: 8h and 6min
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 6min).
- Average sunshine in December: 2h and 42min
The months with the most sunshine are July and August (Average sunshine: 8h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Average sunshine days in December
Lieler, Luxembourg
- Average sunshine days in December: 11.1 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in December
Lieler, 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, October, November and December (UV index 2).
Average cloud cover in December
Lieler, Luxembourg
- Average cloud cover in December: 75
The month with the most cloud cover is December (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility in December
Lieler, Luxembourg
- Average visibility in December: 7km
The month with the highest visibility is April (9km).
The months with the lowest visibility are November and December (7km).





