May in Munich averages a daily high of 19.4°C with nights around 9°C. Expect roughly 15.3 wet days totalling 116.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Munich is May–September.
Based on MUNCHEN NYMPHENBURG, GM (6.3km), 1995–2024. 30 years of May data.