March in Kerpen averages a daily high of 11.2°C with nights around 2.3°C. Expect roughly 13.1 wet days totalling 41.5mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Kerpen is May–September.
Based on WEILERSWIST LOMMERSUM, GM (18.7km), 1995–2024. 29 years of March data.