In June, Jeju City typically sees daytime highs of 23.4°C and overnight lows around 17.5°C. Compared to the annual average high of 18.2°C, June runs +5.2°C.
June in Jeju City averages a daytime high of 23.4°C and an overnight low of 17.5°C.
June runs +5.2°C compared to Jeju City's annual average high of 18.2°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 23.4°C and cooler evenings around 17.5°C.