May in Bayreuth averages a daily high of 19.5°C with nights around 6.6°C. Expect roughly 12.6 wet days totalling 64.3mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Bayreuth is May–September.
Based on HEINERSREUTH VOLLHOF, GM (4.7km), 1995–2024. 30 years of May data.