May in Lübeck averages a daily high of 18.3°C with nights around 6.6°C. Expect roughly 11.7 wet days totalling 52.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Lübeck is May–September.
Based on LUBECK BLANKENSEE, GM (6.6km), 1995–2024. 30 years of May data.