March in Willich averages a daily high of 11.3°C with nights around 2.8°C. Expect roughly 13.9 wet days totalling 51.1mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Willich is May–September.
Based on TONISVORST, GM (7.7km), 1995–2024. 29 years of March data.