In July, Karatsu typically sees daytime highs of 29.0°C and overnight lows around 23.6°C. Compared to the annual average high of 19.4°C, July runs +9.6°C.
July in Karatsu averages a daytime high of 29.0°C and an overnight low of 23.6°C.
July runs +9.6°C compared to Karatsu's annual average high of 19.4°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 29.0°C and cooler evenings around 23.6°C.