December weather forecastWinseler, Luxembourg
December
Weather in December
The climatic conditions in December in Winseler are extremely winter-centric, focusing on the cold and snow. December sees the maximum snowfall at 86mm (3.39") over 8.1 days, signaling the arrival of peak winter. Daylight hours are reduced to their shortest length for the year, and temperatures plunge to their lowest, with the mercury often dropping below freezing. Despite diminishing daylight hours, cloud coverage remains extensive. December is truly a winter month, marking the year's end with its snow-capped landscape and icy conditions.Temperature
During the shift to December, Winseler records a mild decrease in average high-temperature, moving from a frosty 7.3°C (45.1°F) in November to a wintry 4.1°C (39.4°F). In Winseler, the December nights are characterized by an average low-temperature of -0.3°C (31.5°F), a minor dip from daytime readings.Humidity
The most humid month in Winseler, Luxembourg, is December, with an average relative humidity of 93%.Rainfall
The month with the most rainfall is December, when the rain falls for 15.4 days and typically aggregates up to 76mm (2.99") of precipitation.Snowfall
Months with snowfall in Winseler are January through May, October through December. In December, it is snowing for 8.1 days. Throughout December, 86mm (3.39") of snow is accumulated. In Winseler, during the entire year, snow falls for 36.3 days and aggregates up to 327mm (12.87") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 12min of daylight.On the first day of December, sunrise is at 08:13 and sunset at 16:37. On the last day of the month, sunrise is at 08:34 and sunset at 16:44 CET.
Sunshine
With an average of 2.6h of sunshine, December has the least sunshine of the year in Winseler.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Winseler, Luxembourg
- Average high temperature in December: 4.1°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 (2.5°C).
- Average low temperature in December: -0.3°C
The months with the highest average low temperature are July and August (11.1°C).
The coldest months (with the lowest average low temperature) are January and February (-1.8°C).
Average pressure in December
Winseler, Luxembourg
- Average pressure in December: 1017.8mbar
The months with the highest atmospheric pressure are September and December (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.8mbar).
Average wind speed in December
Winseler, 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 (10km/h).
Average humidity in December
Winseler, Luxembourg
- Average humidity in December: 93%
The month with the highest relative humidity is December (93%).
The month with the lowest relative humidity is April (79%).
Average rainfall in December
Winseler, Luxembourg
- Average rainfall in December: 76mm
The wettest month (with the highest rainfall) is December (76mm).
The driest month (with the least rainfall) is April (37mm).
Average rainfall days in December
Winseler, Luxembourg
- Average rainfall days in December: 15.4 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is February (11.1 days).
Average snowfall in December
Winseler, Luxembourg
- Average snowfall in December: 86mm
The month with the highest snowfall is February (90mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Winseler, Luxembourg
- Average snowfall days in December: 8.1 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Winseler, Luxembourg
- Average daylight in December: 8h and 12min
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 36min
The month with the most sunshine is July (Average sunshine: 8h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).
Average sunshine days in December
Winseler, Luxembourg
- Average sunshine days in December: 8.3 days
The month with the most sunshine days is September (13 days).
The month with the least sunshine days is June (7.2 days).
Average UV index in December
Winseler, 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
Winseler, Luxembourg
- Average cloud cover in December: 76
The month with the most cloud cover is December (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 44).
Average visibility in December
Winseler, Luxembourg
- Average visibility in December: 7km
The month with the highest visibility is April (9km).
The months with the lowest visibility are January, October, November and December (7km).





