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July in Daejeon averages a daily high of 29.5°C. Expect roughly 20 wet days totalling 475.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Daejeon is September–October.
Based on TAEJON, KS (5.6km), 1995–2024. 16 years of July data.
See all twelve months for Daejeon →