March in Ōsaki averages a daily high of 9.3°C. Expect roughly 8.1 wet days totalling 83.1mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Ōsaki is May–October.
Based on ISHINOMAKI, JA (33.3km), 1995–2024. 26 years of March data.