March in Sariwŏn-si averages a daily high of 9.7°C with nights around 0.6°C. Expect roughly 5 wet days totalling 32.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Sariwŏn-si is September–October.
Based on HAEJU, KN (53km), 1995–2024. 23 years of March data.