Saarlouis Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Saarlouis.
Climate overview of Saarlouis
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.
Saarlouis Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saarlouis — and find the best time to visit.
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
The average number of days each month with precipitation
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
Daily hours of sunshine
Best Time to Visit Saarlouis
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.
Frequently asked questions about the climate in Saarlouis
What is the best time to visit Saarlouis?
May, June, July, August and September typically offer the most optimal weather in Saarlouis. In contrast, January, February, November and December tend to have less optimal conditions.
What temperatures can I expect in Saarlouis?
Daytime highs range from 5°C (41°F) in January to 25°C (77°F) in July. Nighttime lows range from 0°C (32°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Saarlouis get?
Annual rainfall is around 987 mm (39 in). December is the wettest month with 115 mm (4.5 in), while April is the driest with 65 mm (2.6 in).
How sunny is Saarlouis?
Saarlouis receives around 1,583 hours of sunshine per year. July is the sunniest month with 224 hours, while December is the cloudiest with just 42 hours.
Saarlouis 3-Day Forecast
Saarlouis 3-Day Forecast
Saarlouis on the map
Saarlouis is highlighted — select any city to see its climate.
Popular this month
Where to go in June — average daytime high across popular destinations.
Berlin
23°C (73°F) Düsseldorf22°C (72°F) Hanover22°C (72°F) Munich
23°C (73°F) Cologne23°C (73°F) Hamburg21°C (70°F) Winterberg20°C (68°F) Binz
18°C (64°F) 
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