December weather forecast and climate
Luxembourg City, Luxembourg

A scenic morning panorama of the rocky city of Luxembourg, in Luxembourg with a partly clear sky
A scenic morning panorama of the rocky city of Luxembourg, in Luxembourg with a partly clear sky

What is the temperature in December in Luxembourg City?

In December, the average high-temperature is 3.9°C (39°F), and the average low-temperature is -0.5°C (31.1°F).

How many days does it rain in December in Luxembourg City?

In Luxembourg City, Luxembourg, in December, during 16.9 rainfall days, typically, 86.7mm (3.4") of precipitation is accumulated.
Average temperature in December - Luxembourg City, Luxembourg
  • Average high temperature in December: 3.9°C

The warmest month (with the highest average high temperature) is July (23.2°C).
The month with the lowest average high temperature is January (3.1°C).

  • Average low temperature in December: -0.5°C

The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-1.6°C).

Average humidity in December - Luxembourg City, Luxembourg
  • Average humidity in December: 88%

Months with the highest relative humidity are November and December (88%).
The month with the lowest relative humidity is July (67%).

Average rainfall in December - Luxembourg City, Luxembourg
  • Average rainfall in December: 86.7mm

The wettest month (with the highest rainfall) is October (86.8mm).
The driest month (with the lowest rainfall) is April (58.2mm).

Average rainfall days in December - Luxembourg City, Luxembourg
  • Average rainfall days in December: 16.9 days

The month with the highest number of rainy days is January (18.3 days).
The month with the lowest number of rainy days is July (12.5 days).

Average daylight in December / Average sunshine in December - Luxembourg City, Luxembourg
  • Average daylight in December: 8.2h

The month with the longest days is June (Average daylight: 16.2h).
The month with shortest days is December (Average daylight: 8.2h).

  • Average sunshine in December: 1.3h

The month with most sunshine is July (Average sunshine: 8.1h).
The month with least sunshine is December (Average sunshine: 1.3h).

Average UV index in December - Luxembourg City, Luxembourg
  • Average UV index in December: 1

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 1).

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