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May in Yamaguchi averages a daily high of 25.1°C. Expect roughly 9.4 wet days totalling 186.8mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Yamaguchi is April–May.
Based on YAMAGUCHI, JA (2.4km), 1995–2024. 27 years of May data.
See all twelve months for Yamaguchi →