December weather forecastClemency, Luxembourg
December
Weather in December
December draws the year to a close with Clemency plunged into the heart of winter. The city faces the lowest temperatures with an average low of 0.2°C (32.4°F) and the heaviest snowfall, forming a snowy winter wonderland. Skies are predominantly overcast, accompanied by short daylight hours which add to the wintry ambiance. The return of strong gusty winds reinforces the intensity of the cold. With weather conditions favoring indoor activities, December in Clemency is perfect for cozy year-end celebrations.Temperature
December in Clemency witnesses a gentle descent in average high-temperature, descending from November's frosty 7.5°C (45.5°F) to an icy 4.4°C (39.9°F). In Clemency, December nights experience a modest descent in temperature from daily peaks, cooling down to an average of 0.2°C (32.4°F).Humidity
December is the most humid month in Clemency, with an average relative humidity of 92%.Rainfall
December is the month with the most rainfall. Rain falls for 14.6 days and accumulates 73mm (2.87") of precipitation.Snowfall
Months with snowfall are January through May, October through December. The months with the most snowfall in Clemency are January and December, with an average 80mm (3.15") of accumulated snow.Daylight
December has the shortest days of the year in Clemency, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 08:12 and sunset at 16:39. On the last day of December, sunrise is at 08:33 and sunset at 16:46 CET.
Sunshine
December has the least sunshine of the year in Clemency, with an average of 3h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Clemency, 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
Clemency, 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
Clemency, 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
Clemency, 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
Clemency, 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
Clemency, 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
Clemency, 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
Clemency, 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
Clemency, 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: 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
Clemency, 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
Clemency, 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
Clemency, 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
Clemency, 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).
