Luxembourg Weather & Climate: Best Time to Visit

The climate in Luxembourg is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a comfortable 25°C (77°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 5°C (41°F).

At night, temperatures range from around 14°C (57°F) in July to 0°C (32°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Luxembourg receives mid-range precipitation levels, with 845 mm (33 in) annually. Despite minor fluctuations, Luxembourg enjoys fairly consistent precipitation throughout the year. In December, you can expect around 90 mm (3.5 in) of precipitation, while in April, Luxembourg receives about 60 mm (2.4 in). For more details, please visit our Luxembourg Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Luxembourg can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 8.6 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.3 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in Luxembourg.

The city experiences its highest humidity in December, reaching 90%. In July, the humidity drops to its lowest level at 67%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year