March in Namp’o averages a daily high of 9.7°C with nights around -1.2°C. Rain is rare — about 2 wet days and 23.7mm across the month. Generally workable, with some weather to plan around.
Across the year, the best time to visit Namp’o is April–May.
Based on PYONGYANG INTERNATIONAL, KN (58.7km), 1995–2024. 23 years of March data.