March in Ōmihachiman averages a daily high of 12°C. Expect roughly 12.9 wet days totalling 112.6mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Ōmihachiman is May–June.
Based on HIKONE, JA (22.1km), 1995–2024. 26 years of March data.