August in Goyang-si averages a daily high of 29.9°C. Expect roughly 15.3 wet days totalling 548.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Goyang-si is June.
Based on SEOUL CITY, KS (15.3km), 1995–2024. 22 years of August data.