In June, Onomichi typically sees daytime highs of 25.1°C and overnight lows around 18.6°C. Compared to the annual average high of 19.2°C, June runs +5.9°C.
June in Onomichi averages a daytime high of 25.1°C and an overnight low of 18.6°C.
June runs +5.9°C compared to Onomichi's annual average high of 19.2°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 25.1°C and cooler evenings around 18.6°C.