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May in Jeju City averages a daily high of 22.1°C. Expect roughly 7 wet days totalling 78mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Jeju City is May.
Based on JEJU, KS (1.3km), 1995–2024. 19 years of May data.
See all twelve months for Jeju City →