February in Ongjin averages a daily high of 4.2°C with nights around -4.5°C. Expect roughly 4 wet days totalling 3.1mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Ongjin is September–October.
Based on HAEJU, KN (31.6km), 1995–2024. 19 years of February data.