In July, Onomichi typically sees daytime highs of 29.2°C and overnight lows around 23.3°C. Compared to the annual average high of 19.2°C, July runs +10.0°C.
July in Onomichi averages a daytime high of 29.2°C and an overnight low of 23.3°C.
July runs +10.0°C compared to Onomichi's annual average high of 19.2°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 29.2°C and cooler evenings around 23.3°C.