In August, Shimonoseki typically sees daytime highs of 30.2°C and overnight lows around 23.6°C. Compared to the annual average high of 18.8°C, August runs +11.4°C.
August in Shimonoseki averages a daytime high of 30.2°C and an overnight low of 23.6°C.
August runs +11.4°C compared to Shimonoseki's annual average high of 18.8°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 30.2°C and cooler evenings around 23.6°C.