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
With the arrival of December, Grosbous experiences a modest decline in average high-temperatures, transitioning from a chilly 7.5°C (45.5°F) in November to a cold 4.1°C (39.4°F). Grosbous sustains a near constant temperature throughout December, with nighttime averages of 0.1°C (32.2°F).Humidity
With an average relative humidity of 92%, December is the most humid month.Rainfall
December is the month with the most rainfall. Rain falls for 16.8 days and accumulates 70mm (2.76") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Grosbous, during December, snow falls for 6.7 days and regularly aggregates up to 64mm (2.52") of snow. Throughout the year, in Grosbous, there are 30.3 snowfall days, and 249mm (9.8") of snow is accumulated.Daylight
December has the shortest days of the year in Grosbous, Luxembourg, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 08:12 and sunset at 16:37. On the last day of December, sunrise is at 08:33 and sunset at 16:44 CET.
Sunshine
The month with the least sunshine is December, with an average of 2.9h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Grosbous. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Experience reduced UV exposure by about half when donning a wide-brim hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Grosbous?
What is the most humid month in Grosbous?
What is the average humidity in December in Grosbous?
What is the wettest month in Grosbous?
How many days does it rain in December in Grosbous?
How much does it snow in Grosbous in December?
What is the month with the shortest days in Grosbous?
What is the average length of the day in December in Grosbous?
What time are sunrise and sunset in December in Grosbous?
What is the month with the least sunshine in Grosbous?
How many hours of sunshine does Grosbous have in December?
When is the lowest UV index in Grosbous?
How high is the UV index in December in Grosbous?
Average temperature in December
Grosbous, Luxembourg
- Average high temperature in December: 4.1°C
The warmest month (with the highest average high temperature) is August (21.7°C).
The month with the lowest average high temperature is January (2.7°C).
- Average low temperature in December: 0.1°C
The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).
Average pressure in December
Grosbous, Luxembourg
- Average pressure in December: 1018mbar
The month with the highest atmospheric pressure is December (1018mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).
Average wind speed in December
Grosbous, Luxembourg
- Average wind speed in December: 15.6km/h
The windiest month (with the highest average wind speed) is February (15.9km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).
Average humidity in December
Grosbous, 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 (79%).
Average rainfall in December
Grosbous, Luxembourg
- Average rainfall in December: 70mm
The wettest month (with the highest rainfall) is December (70mm).
The driest month (with the least rainfall) is April (36mm).
Average rainfall days in December
Grosbous, Luxembourg
- Average rainfall days in December: 16.8 days
The months with the highest number of rainy days are June and July (19.1 days).
The month with the least rainy days is February (12.7 days).
Average snowfall in December
Grosbous, Luxembourg
- Average snowfall in December: 64mm
The month with the highest snowfall is January (78mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Grosbous, Luxembourg
- Average snowfall days in December: 6.7 days
The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grosbous, 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 5min
The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in December
Grosbous, Luxembourg
- Average sunshine days in December: 9 days
The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in December
Grosbous, 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, March, November and December (UV index 2).
Average cloud cover in December
Grosbous, Luxembourg
- Average cloud cover in December: 72
The month with the most cloud cover is December (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in December
Grosbous, Luxembourg
- Average visibility in December: 7km
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are November and December (7km).
