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
December
Weather in December
Temperature
During the shift to December, a minor reduction in average high-temperature is observed, shifting from a frosty 7.3°C (45.1°F) in November to an icy 3.9°C (39°F). In December, Marnach's nighttime temperatures demonstrate a slight decrease, stabilizing at an average of -0.3°C (31.5°F).Humidity
January, November and December, with an average relative humidity of 92%, are the most humid months in Marnach.Rainfall
The month with the most rainfall in Marnach is December, when the rain falls for 13.3 days and typically aggregates up to 66mm (2.6") of precipitation.Snowfall
Months with snowfall in Marnach, Luxembourg, are January through May, October through December. In December, in Marnach, Luxembourg, it is snowing for 7.3 days. Throughout December, 88mm (3.46") of snow is accumulated. Throughout the year, in Marnach, Luxembourg, there are 39.8 snowfall days, and 371mm (14.61") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 08:13 and sunset at 16:36. On the last day of December, in Marnach, sunrise is at 08:34 and sunset at 16:43 CET.
Sunshine
December has the least sunshine of the year in Marnach, with an average of 2.7h of sunshine.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Marnach in December?
What are the most humid months in Marnach?
What is the average humidity in December in Marnach?
What is the rainiest month in Marnach?
How much does it rain in Marnach in December?
How many days does it snow in December in Marnach?
What is the month with the shortest days in Marnach?
How many hours of daylight does Marnach have in December?
When are sunrise and sunset in December in Marnach?
What is the month with the least sunshine in Marnach?
How many hours of sunshine does Marnach have in December?
What are the months with the lowest UV index in Marnach?
How high is the UV index in December in Marnach?
Average temperature in December
Marnach, 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
Marnach, 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
Marnach, 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
Marnach, 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
Marnach, 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
Marnach, 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
Marnach, 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
Marnach, 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
Marnach, 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 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
Marnach, 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
Marnach, 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
Marnach, 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
Marnach, 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).
