March in Jōetsu averages a daily high of 11.3°C. Expect roughly 18.3 wet days totalling 175.2mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Jōetsu is May–June.
Based on TAKADA, JA (5.5km), 1995–2024. 26 years of March data.