May in Neumünster averages a daily high of 18°C with nights around 7.3°C. Expect roughly 12.8 wet days totalling 63.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Neumünster is May–September.
Based on WITTENBORN, GM (23.4km), 1995–2024. 30 years of May data.