February in Naesŏ averages a daily high of 10.2°C. Rain is rare — about 2 wet days and 17.8mm across the month. Generally workable, with some weather to plan around.
Across the year, the best time to visit Naesŏ is May.
Based on BUSAN, KS (49.5km), 1995–2024. 21 years of February data.