In March, Onomichi typically sees daytime highs of 12.4°C and overnight lows around 4.1°C. Compared to the annual average high of 19.2°C, March runs -6.8°C.
March in Onomichi averages a daytime high of 12.4°C and an overnight low of 4.1°C.
March runs -6.8°C compared to Onomichi's annual average high of 19.2°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 12.4°C and cooler evenings around 4.1°C.