February in Onomichi averages a daily high of 10.6°C. Expect roughly 7.7 wet days totalling 52.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Onomichi is April–May.
Based on FUKUYAMA, JA (5.9km), 1995–2024. 29 years of February data.