August in Gongju averages a daily high of 30.2°C. Expect roughly 16.3 wet days totalling 427.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Gongju is September–October.
Based on TAEJON, KS (30.1km), 1995–2024. 18 years of August data.