August in Wuppertal averages a daily high of 23.8°C with nights around 13.2°C. Expect roughly 14.5 wet days totalling 105.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Wuppertal is May–September.
Based on WUPPERTAL BUCHENHOFEN, GM (4.5km), 1995–2024. 30 years of August data.