In October, Jeju City typically sees daytime highs of 21.1°C and overnight lows around 14.1°C. Compared to the annual average high of 18.2°C, October runs +2.8°C.
October in Jeju City averages a daytime high of 21.1°C and an overnight low of 14.1°C.
October runs +2.8°C compared to Jeju City's annual average high of 18.2°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 21.1°C and cooler evenings around 14.1°C.