May in Baden-Baden averages a daily high of 19.9°C with nights around 8.2°C. Expect roughly 14.8 wet days totalling 123.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Baden-Baden is May–September.
Based on BADEN BADEN GEROLDSAU, GM (3.7km), 1995–2024. 30 years of May data.