May in Neuss averages a daily high of 19.6°C with nights around 8.6°C. Expect roughly 12.8 wet days totalling 66.1mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Neuss is May–September.
Based on DUSSELDORF, GM (12.5km), 1995–2024. 30 years of May data.