March in Neuwied averages a daily high of 9.5°C with nights around 1.7°C. Expect roughly 13.9 wet days totalling 61.4mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Neuwied is June–September.
Based on HUMMERICH, GM (14.8km), 1995–2024. 20 years of March data.