December weather forecastHoller, Luxembourg

December

Weather in December

December, the first month of the winter in Holler, is also a wintry month, with an average temperature varying between 3.9°C (39°F) and -0.3°C (31.5°F).

Temperature

The arrival of December is marked by a minor reduction in average high-temperature, sliding from a frosty 7.3°C (45.1°F) in November to a wintry 3.9°C (39°F). During the nights of December, Holler maintains an almost steady temperature with an average low of -0.3°C (31.5°F).

Humidity

The months with the highest humidity in Holler are January, November and December, with an average relative humidity of 92%.

Rainfall

December is the month with the most rainfall in Holler, Luxembourg. Rain falls for 13.3 days and accumulates 66mm (2.6") of precipitation.

Snowfall

January through May, October through December are months with snowfall in Holler, Luxembourg. In Holler, during December, snow falls for 7.3 days and regularly aggregates up to 88mm (3.46") of snow. Throughout the year, there are 39.8 snowfall days, and 371mm (14.61") of snow is accumulated.

Daylight

The month with the shortest days in Holler is December, with an average of 8h and 6min of daylight.
On the first day of December in Holler, sunrise is at 08:13 and sunset at 16:36. On the last day of the month, sunrise is at 08:34 and sunset at 16:43 CET.

Sunshine

With an average of 2.7h of sunshine, December has the least sunshine of the year in Holler, Luxembourg.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Holler. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.

Updated: Feb 3, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature in Holler during December are 3.9°C (39°F) and -0.3°C (31.5°F) respectively.

The months with the highest humidity in Holler, Luxembourg, are January, November and December, with an average relative humidity of 92%.

In December, the average relative humidity is 92%.

December is the month with the most rainfall in Holler, Luxembourg. Rain falls for 13.3 days and accumulates 66mm (2.6") of precipitation.

In December, in Holler, the rain falls for 13.3 days. Throughout December, 66mm (2.6") of precipitation is accumulated.

In Holler, Luxembourg, during December, snow falls for 7.3 days and regularly aggregates up to 88mm (3.46") of snow.

The month with the shortest days is December, with an average of 8h and 6min of daylight.

In Holler, the average day length in December is 8h and 9min.

In December, on the first day of the month, sunrise is at 08:13 and sunset at 16:36. On the last day of the month, in Holler, Luxembourg, sunrise is at 08:34 and sunset at 16:43 CET.

With an average of 2.7h of sunshine, December has the least sunshine of the year.

The average sunshine duration in December is 2.7h.

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Holler, Luxembourg.

In December, the average daily maximum UV index in Holler, Luxembourg, is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

7.3°C

3.9°C

2.4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

15.1km/h

17km/h

16.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

11.8

11.1

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Holler, Luxembourg

Average high temperature in December: 3.9°C

The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (2.4°C).

Average low temperature in December: -0.3°C

The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is January (-1.9°C).

Average pressure in December
Holler, Luxembourg

Average pressure in December: 1017.7mbar

The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).

Average wind speed in December
Holler, Luxembourg

Average wind speed in December: 15.9km/h

The windiest month (with the highest average wind speed) is February (16.2km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).

Average humidity in December
Holler, Luxembourg

Average humidity in December: 92%

The months with the highest relative humidity are January, November and December (92%).
The month with the lowest relative humidity is April (79%).

Average rainfall in December
Holler, Luxembourg

Average rainfall in December: 66mm

The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is April (31mm).

Average rainfall days in December
Holler, Luxembourg

Average rainfall days in December: 13.3 days

The months with the highest number of rainy days are June and July (17.3 days).
The month with the least rainy days is February (9.2 days).

Average snowfall in December
Holler, Luxembourg

Average snowfall in December: 88mm

The month with the highest snowfall is February (105mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Holler, Luxembourg

Average snowfall days in December: 7.3 days

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Holler, Luxembourg

Average daylight in December: 8h and 6min

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 6min).

Average sunshine in December: 2h and 42min

The months with the most sunshine are July and August (Average sunshine: 8h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).

Average sunshine days in December
Holler, Luxembourg

Average sunshine days in December: 11.1 days

The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in December
Holler, Luxembourg

Average UV index in December: 2

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).