March in Leiden averages a daily high of 10.4°C with nights around 2.7°C. Expect roughly 13.2 wet days totalling 56.7mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Leiden is May–September.
Based on ROTTERDAM, NL (22.2km), 1995–2024. 30 years of March data.