June in Sariwŏn-si averages a daily high of 25.7°C with nights around 17.3°C. Expect roughly 8 wet days totalling 11.6mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Sariwŏn-si is September–October.
Based on HAEJU, KN (53km), 1995–2024. 24 years of June data.