In August, Karatsu typically sees daytime highs of 30.6°C and overnight lows around 24.3°C. Compared to the annual average high of 19.4°C, August runs +11.2°C.
August in Karatsu averages a daytime high of 30.6°C and an overnight low of 24.3°C.
August runs +11.2°C compared to Karatsu's annual average high of 19.4°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 30.6°C and cooler evenings around 24.3°C.