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 beginning of December, the average high-temperature in Sandweiler shows a small decrease, transitioning from a frosty 7.8°C (46°F) in November to an icy 4.5°C (40.1°F). A consistent average low-temperature of 0.2°C (32.4°F), with a minor variance from the daytime highs, is noted during the nights of December.Humidity
December is the most humid month in Sandweiler, with an average relative humidity of 91%.Rainfall
December is the month with the most rainfall. Rain falls for 15.1 days and accumulates 61mm (2.4") of precipitation.Snowfall
January through May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 5.9 days and accumulates 71mm (2.8") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 08:10 and sunset at 16:37. On the last day of December, sunrise is at 08:31 and sunset at 16:44 CET.
Sunshine
With an average of 3.1h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Sandweiler in December?
What is the most humid month in Sandweiler?
What is the average humidity in December in Sandweiler?
What is the rainiest month in Sandweiler?
How much does it rain in Sandweiler in December?
When does it snow the most in Sandweiler?
How much does it snow in Sandweiler in December?
What is the month with the shortest days in Sandweiler?
How many hours of daylight does Sandweiler have in December?
When are sunrise and sunset in December in Sandweiler?
What is the month with the least sunshine in Sandweiler?
How many hours of sunshine does Sandweiler have in December?
When is the lowest UV index in Sandweiler?
How high is the UV index in December in Sandweiler?
Average temperature in December
Sandweiler, Luxembourg
- Average high temperature in December: 4.5°C
The warmest months (with the highest average high temperature) are July and August (22.6°C).
The month with the lowest average high temperature is January (3.2°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 (-1.2°C).
Average pressure in December
Sandweiler, Luxembourg
- Average pressure in December: 1018.2mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).
Average wind speed in December
Sandweiler, Luxembourg
- Average wind speed in December: 14.7km/h
The windiest month (with the highest average wind speed) is February (15.2km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in December
Sandweiler, Luxembourg
- Average humidity in December: 91%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Sandweiler, Luxembourg
- Average rainfall in December: 61mm
The wettest month (with the highest rainfall) is December (61mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in December
Sandweiler, Luxembourg
- Average rainfall days in December: 15.1 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in December
Sandweiler, Luxembourg
- Average snowfall in December: 71mm
The month with the highest snowfall is December (71mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Sandweiler, Luxembourg
- Average snowfall days in December: 5.9 days
The months with the highest number of snowfall days are January and February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sandweiler, Luxembourg
- Average daylight in December: 8h and 1min
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 1min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in December
Sandweiler, Luxembourg
- Average sunshine days in December: 11 days
The month with the most sunshine days is September (15.8 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in December
Sandweiler, 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, November and December (UV index 2).
Average cloud cover in December
Sandweiler, Luxembourg
- Average cloud cover in December: 70
The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Sandweiler, Luxembourg
- Average visibility in December: 8km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).
