Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The average high-temperature slightly decreases in December, shifting from a chilly 7.3°C (45.1°F) in November to a wintry 4.1°C (39.4°F). Vianden's nighttime average temperature in December subtly descends to a freezing cold -0.3°C (31.5°F) from the daily highs.Humidity
With an average relative humidity of 93%, December is the most humid month in Vianden, Luxembourg.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
January through May, October through December are months with snowfall in Vianden. In Vianden, during December, snow falls for 8.1 days and regularly aggregates up to 86mm (3.39") of snow. In Vianden, Luxembourg, during the entire year, snow falls for 36.3 days and aggregates up to 327mm (12.87") of snow.Daylight
The month with the shortest days in Vianden is December, with an average of 8h and 12min of daylight.On the first day of December, sunrise is at 08:12 and sunset at 16:36. On the last day of the month, sunrise is at 08:33 and sunset at 16:43 CET.
Sunshine
The month with the least sunshine is December, with an average of 2.6h of sunshine.UV index
The months with the lowest UV index in Vianden are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 2 suggests this advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Boost your sun resistance with garments that are densely woven yet spacious. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Vianden during December?
What is the most humid month in Vianden?
What is the average humidity in December in Vianden?
What is the wettest month in Vianden?
How many days does it rain in December in Vianden?
How much does it snow in Vianden in December?
What is the month with the shortest days in Vianden?
What is the average length of the day in December in Vianden?
What time are sunrise and sunset in December in Vianden?
What is the month with the least sunshine in Vianden?
How long on average sun shines in December in Vianden?
When is the lowest UV index in Vianden?
What is the UV index intensity in December in Vianden?
Average temperature in December
Vianden, 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
Vianden, 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
Vianden, 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
Vianden, 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
Vianden, 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
Vianden, 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
Vianden, 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
Vianden, 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
Vianden, Luxembourg
- Average daylight in December: 8h and 1min
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 4min
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
Vianden, 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
Vianden, 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
Vianden, 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
Vianden, 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).
Vianden, Luxembourg
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