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June in Sejong averages a daily high of 27.9°C. Expect roughly 7 wet days totalling 235.3mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Sejong is September–October.
Based on TAEJON, KS (33.9km), 1995–2024. 20 years of June data.
See all twelve months for Sejong →