May in Choshi averages a daily high of 20.8°C with nights around 14.9°C. Expect roughly 11.1 wet days totalling 147.5mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Choshi is May–October.
Based on CHOSHI, JA (1.5km), 1995–2024. 21 years of May data.