In July, Jeju City typically sees daytime highs of 27.6°C and overnight lows around 22.5°C. Compared to the annual average high of 18.2°C, July runs +9.4°C.
July in Jeju City averages a daytime high of 27.6°C and an overnight low of 22.5°C.
July runs +9.4°C compared to Jeju City's annual average high of 18.2°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 27.6°C and cooler evenings around 22.5°C.