March in Basel averages a daily high of 12°C with nights around 2.6°C. Expect roughly 11.5 wet days totalling 51.7mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Basel is June–September.
Based on BASEL BINNINGEN, SZ (2.9km), 1995–2024. 30 years of March data.