December weather forecastHellange, Luxembourg
December
Weather in December
December, the first month of the winter in Hellange, is also a wintry month, with an average temperature varying between 4.5°C (40.1°F) and 0.5°C (32.9°F).Temperature
In December, the average high-temperature marginally decreases from a chilly 8°C (46.4°F) in November to a wintry 4.5°C (40.1°F). During December, Hellange perceives a slight decrease in temperature from daytime highs, settling at an average low of 0.5°C (32.9°F).Humidity
The most humid month in Hellange, Luxembourg, is December, with an average relative humidity of 91%.Rainfall
The month with the most rainfall in Hellange, Luxembourg, is December, when the rain falls for 17 days and typically aggregates up to 75mm (2.95") of precipitation.Snowfall
January through May, October through December are months with snowfall in Hellange. In Hellange, Luxembourg, in December, during 7.7 snowfall days, 84mm (3.31") of snow is typically accumulated. In Hellange, during the entire year, snow falls for 32.5 days and aggregates up to 279mm (10.98") of snow.Daylight
The month with the shortest days in Hellange 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 16:38. On the last day of December, sunrise is at 08:31 and sunset at 16:45 CET.
Sunshine
December has the least sunshine of the year, with an average of 2.9h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Hellange. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Boost your sun resistance with garments that are densely woven yet spacious. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hellange, Luxembourg
- Average high temperature in December: 4.5°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (3.4°C).
- Average low temperature in December: 0.5°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-0.9°C).
Average pressure in December
Hellange, Luxembourg
- Average pressure in December: 1018.4mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).
Average wind speed in December
Hellange, Luxembourg
- Average wind speed in December: 15.1km/h
The windiest month (with the highest average wind speed) is February (15.6km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).
Average humidity in December
Hellange, 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
Hellange, Luxembourg
- Average rainfall in December: 75mm
The wettest month (with the highest rainfall) is December (75mm).
The driest month (with the least rainfall) is April (39mm).
Average rainfall days in December
Hellange, Luxembourg
- Average rainfall days in December: 17 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is September (12.5 days).
Average snowfall in December
Hellange, Luxembourg
- Average snowfall in December: 84mm
The month with the highest snowfall is January (85mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Hellange, Luxembourg
- Average snowfall days in December: 7.7 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hellange, Luxembourg
- Average daylight in December: 8h and 12min
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: 2h and 54min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in December
Hellange, Luxembourg
- Average sunshine days in December: 8 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is December (8 days).
Average UV index in December
Hellange, 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
Hellange, 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 38).
Average visibility in December
Hellange, 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).





