March in Choshi averages a daily high of 12.3°C with nights around 6.4°C. Expect roughly 12.4 wet days totalling 135.2mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Choshi is May–October.
Based on CHOSHI, JA (1.5km), 1995–2024. 14 years of March data.