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
December's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's chilly 7.8°C (46°F) to a wintry 4.5°C (40.1°F). December nights in Heffingen document an average temperature reading of 0.2°C (32.4°F).Humidity
With an average relative humidity of 91%, December is the most humid month.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
With an average of 8h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:11 and sunset at 16:37. On the last day of December, sunrise is at 08:32 and sunset at 16:44 CET.
Sunshine
The month with the least sunshine in Heffingen, Luxembourg, is December, with an average of 3.1h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
Is December cold in Heffingen?
What is the most humid month in Heffingen?
What is the average humidity in December in Heffingen?
What is the wettest month in Heffingen?
How much does it rain in Heffingen in December?
What is the snowiest month in Heffingen?
How many days does it snow in December in Heffingen?
What is the month with the shortest days in Heffingen?
How many hours of daylight does Heffingen have in December?
When is the sunrise / sunset in December in Heffingen?
What is the month with the least sunshine in Heffingen?
How long on average sun shines in December in Heffingen?
What are the months with the lowest UV index in Heffingen?
How high is the UV index in December in Heffingen?
Average temperature in December
Heffingen, 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
Heffingen, 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
Heffingen, 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
Heffingen, 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
Heffingen, 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
Heffingen, 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
Heffingen, 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
Heffingen, 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
Heffingen, 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: 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
Heffingen, 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
Heffingen, 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
Heffingen, 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
Heffingen, 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).
Heffingen, Luxembourg
Weather forecast for your location
2. Allow the app to use your location
