luxembourg

Luxembourg Climate

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When Is the Best Time To Visit Luxembourg?

The answer to the question of what is the best month to visit Luxembourg depends on what you are interested in doing during your stay. Here you can see an overview of each month and its typical weather conditions.

Climate of Luxembourg

Luxembourg lies in a warm temperate climate zone influenced by maritime air masses. It is characterized by not too hot summers and mild winters. The southern regions are usually warmer than the mountainous north (Ardennes).

Summer temperatures fluctuate between 20°C and 25°C, hot days are not very frequent. In winter, as a rule, there is no great frost, the mercury bar falls to 0°C - 2°C, and snowfall is not a common occurrence. Rainfall is also not abundant, about 700 mm - 800 mm per year.

The mountainous regions are several degrees cooler than the rest of the country. In the warmest months, temperatures range from 15°C - 17°C, while in the coldest months there can be a dusting of snow and a light frost (up to -2°C). Annual precipitation is considerably higher than in the south, reaching 1,200 mm. Weather in these areas is sometimes changeable and unstable, with frequent cloud cover and drizzle.

Luxembourg

Sunday 14 Sep
Update 2025-09-13 03:53 CET. Powered by Visual Crossing Weather.

rain
62°F
Humidity
89%
Cloud cover
92%
Wind speed
7.1 mph
Chance of rain
100%
Luxembourg

Monday 15 Sep
Update 2025-09-13 03:53 CET. Powered by Visual Crossing Weather.

rain
66°F
Humidity
76%
Cloud cover
83%
Wind speed
13 mph
Chance of rain
68%
Luxembourg

Tuesday 16 Sep
Update 2025-09-13 03:53 CET. Powered by Visual Crossing Weather.

partly-cloudy-day
62°F
Humidity
74%
Cloud cover
79%
Wind speed
13.7 mph
Chance of rain
19%
Luxembourg

Wednesday 17 Sep
Update 2025-09-13 03:53 CET. Powered by Visual Crossing Weather.

cloudy
66°F
Humidity
78%
Cloud cover
99%
Wind speed
17.5 mph
Chance of rain
19%
Luxembourg

Thursday 18 Sep
Update 2025-09-13 03:53 CET. Powered by Visual Crossing Weather.

cloudy
66°F
Humidity
81%
Cloud cover
97%
Wind speed
18.6 mph
Chance of rain
19%

Climate and Average Weather in Luxembourg

General weather conditions each month by city.

  • Luxembourg
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Average temperature (°F)
Average rainfall (in)
RAIN - Days with precipitation
DAY - Average length of day
SUN - Sunshine hours per day (cloudless weather)

Weather Map

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May
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September
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Luxembourg

The icons next to the month name indicate the convenience of the date for visiting the selected area/territory/ country. They are only a suggestion and should not be used as the final criterion for selecting your travel date. The season is defined as the time period with the weather favorable for sightseeing (or sunbathing - small island countries) for the average tourist. For countries with a large geographical range, the most touristic places were included.

Where to next? Discover country icon Germany, a country in the region worth visiting, or use the destination finder