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Saarlouis Weather & Climate: Best Time to Visit

Saarlouis, Saarland, Germany, sees big temperature differences between seasons, with July peaking at 25°C (77°F) and January dropping to 5°C (41°F).

With around 987 mm (39 in) of annual rain/snowfall, the city has moderate precipitation levels. December is the wettest month and April the driest. July is the sunniest month, averaging 7.5 hours of sunshine per day.

Monthly Temperature in Saarlouis

Visitors to Saarlouis can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a comfortable 25°C (77°F) in July to a chilly 5°C (41°F) in the coolest month, January.

Nights vary from 14°C (57°F) in July to around 0°C (32°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Saarlouis

Generally, Saarlouis experiences moderate precipitation patterns, averaging 987 mm (39 in) yearly. Saarlouis offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month December (115 mm (4.5 in)) and the driest month April (65 mm (2.6 in)) is not too significant. For more details, please visit our Saarlouis Precipitation page.

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

Sunshine Hours in Saarlouis

For those who appreciate different seasons, Saarlouis serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 7.5 hours of sunshine daily, and embrace the darker days in December, offering only 1.4 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Trier, Germany (48 KM, 30 Miles).

Daily hours of sunshine

Data from: Trier, Germany (48 KM, 30 Miles).

Saarlouis 3-Day Forecast

Select a Month

Check the conditions for any month of the year.

Best Time to Visit Saarlouis

During May, June, July, August and September, Saarlouis experiences its most favorable weather, with temperatures between 20°C (67°F) and 25°C (77°F). These mild conditions make it an excellent time for a visit.

The weather does bring rainfall during this period, between 71 mm (2.8 in) and 79 mm (3.1 in).

Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.