February in Hyesan averages a daily high of -2.8°C with nights around -19.7°C. Expect roughly 10 wet days totalling 8.9mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Hyesan is May.
Based on HYESAN, KN (0.9km), 1995–2024. 19 years of February data.