July in Gangneung averages a daily high of 28.5°C. Expect roughly 20.2 wet days totalling 428.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Gangneung is September–October.
Based on GANGNEUNG, KS (2.1km), 1995–2024. 19 years of July data.