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May in Onomichi averages a daily high of 24.2°C. Expect roughly 8.7 wet days totalling 105.9mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Onomichi is April–May.
Based on FUKUYAMA, JA (5.9km), 1995–2024. 26 years of May data.
See all twelve months for Onomichi →