August in Ŭndŏk averages a daily high of 25.5°C with nights around 18.9°C. Expect roughly 13.4 wet days totalling 162.1mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Ŭndŏk is September.
Based on POSET, RS (40.8km), 1995–2024. 29 years of August data.