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 onset of December, Grevenknapp's average high-temperature slightly adjusts, moderately receding from November's chilly 7.5°C (45.5°F) to a wintry 4.1°C (39.4°F). Grevenknapp maintains a minor drop in temperature during December nights, with averages of 0.1°C (32.2°F).Humidity
December is the most humid month in Grevenknapp, with an average relative humidity of 92%.Rainfall
The month with the most rainfall is December, when the rain falls for 16.8 days and typically aggregates up to 70mm (2.76") of precipitation.Snowfall
January through May, October through December are months with snowfall in Grevenknapp. In Grevenknapp, during December, snow falls for 6.7 days and regularly aggregates up to 64mm (2.52") of snow. In Grevenknapp, during the entire year, snow falls for 30.3 days and aggregates up to 249mm (9.8") of snow.Daylight
With an average of 8h and 12min of daylight, December has the shortest days of the year in Grevenknapp.On the first day of the month, sunrise is at 08:12 and sunset at 16:37. On the last day of December, in Grevenknapp, sunrise is at 08:33 and sunset at 16:45 CET.
Sunshine
With an average of 2.9h of sunshine, December has the least sunshine of the year.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Grevenknapp?
What is the most humid month in Grevenknapp?
What is the average humidity in December in Grevenknapp?
What is the wettest month in Grevenknapp?
How much does it rain in Grevenknapp in December?
How many days does it snow in December in Grevenknapp?
What is the month with the shortest days in Grevenknapp?
How many hours of daylight does Grevenknapp have in December?
When are sunrise and sunset in December in Grevenknapp?
What is the month with the least sunshine in Grevenknapp?
How long on average sun shines in December in Grevenknapp?
What are the months with the lowest UV index in Grevenknapp?
How high is the UV index in December in Grevenknapp?
Average temperature in December
Grevenknapp, 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
Grevenknapp, 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
Grevenknapp, 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
Grevenknapp, 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
Grevenknapp, 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
Grevenknapp, 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
Grevenknapp, 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
Grevenknapp, 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
Grevenknapp, 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
Grevenknapp, 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
Grevenknapp, 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
Grevenknapp, 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
Grevenknapp, 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).
