August in Le Mans averages a daily high of 24.5°C with nights around 13.1°C. Expect roughly 10.3 wet days totalling 50mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Le Mans is June–September.
Based on ALENCON VALFRAMBERT, FR (49.8km), 1995–2024. 30 years of August data.