August in Wiesbaden averages a daily high of 24.6°C with nights around 13.4°C. Expect roughly 12 wet days totalling 56.1mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Wiesbaden is May–September.
Based on WIESBADEN AURINGEN, GM (7.4km), 1995–2024. 30 years of August data.