In April, Onomichi typically sees daytime highs of 17.8°C and overnight lows around 9.4°C. Compared to the annual average high of 19.2°C, April runs -1.3°C.
April in Onomichi averages a daytime high of 17.8°C and an overnight low of 9.4°C.
April runs -1.3°C compared to Onomichi's annual average high of 19.2°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 17.8°C and cooler evenings around 9.4°C.