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
Haller's weather subtly changes with the onset of December, barely falling from a chilly 7.9°C (46.2°F) in November to a wintry 4.5°C (40.1°F). During December, Haller's temperature shows a minor deviation from daytime highs, falling to a steady low-temperature average of 0.2°C (32.4°F).Humidity
December is the most humid month, with an average relative humidity of 91%.Rainfall
December is the month with the most rainfall in Haller, Luxembourg. Rain falls for 17.1 days and accumulates 69mm (2.72") of precipitation.Snowfall
Months with snowfall are January through April, October through December. The months with the most snowfall are January and December, with an average 66mm (2.6") of accumulated snow.Daylight
December has the shortest days of the year in Haller, Luxembourg, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 08:11 and sunset at 16:36. On the last day of December, sunrise is at 08:32 and sunset at 16:43 CET.
Sunshine
The month with the least sunshine 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 in Haller. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 during December translates into the following directions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in Haller?
What is the most humid month in Haller?
What is the average humidity in December in Haller?
What is the wettest month in Haller?
How much does it rain in Haller in December?
When does it snow the most in Haller?
How many days does it snow in December in Haller?
What is the month with the shortest days in Haller?
What is the average length of the day in December in Haller?
When is the sunrise / sunset in December in Haller?
What is the month with the least sunshine in Haller?
How long on average sun shines in December in Haller?
What is the month with the lowest UV index in Haller?
What is the UV index intensity in December in Haller?
Average temperature in December
Haller, Luxembourg
- Average high temperature in December: 4.5°C
The warmest month (with the highest average high temperature) is July (22.7°C).
The month with the lowest average high temperature is January (3.1°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 (-1.3°C).
Average pressure in December
Haller, Luxembourg
- Average pressure in December: 1018.3mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1014.2mbar).
Average wind speed in December
Haller, Luxembourg
- Average wind speed in December: 14.2km/h
The windiest month (with the highest average wind speed) is February (14.7km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).
Average humidity in December
Haller, Luxembourg
- Average humidity in December: 91%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are April and August (76%).
Average rainfall in December
Haller, Luxembourg
- Average rainfall in December: 69mm
The wettest month (with the highest rainfall) is December (69mm).
The driest month (with the least rainfall) is July (25mm).
Average rainfall days in December
Haller, Luxembourg
- Average rainfall days in December: 17.1 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is September (9.6 days).
Average snowfall in December
Haller, Luxembourg
- Average snowfall in December: 66mm
The months with the highest snowfall are January and December (66mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Haller, Luxembourg
- Average snowfall days in December: 6.9 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Haller, 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 48min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in December
Haller, Luxembourg
- Average sunshine days in December: 7.6 days
The month with the most sunshine days is August (17.6 days).
The month with the least sunshine days is December (7.6 days).
Average UV index in December
Haller, 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
Haller, 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
Haller, Luxembourg
- Average visibility in December: 7km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are November and December (7km).
