In May, Haeju typically sees daytime highs of 22.2°C and overnight lows around 10.7°C. Compared to the annual average high of 15.2°C, May runs +7.1°C.
May in Haeju averages a daytime high of 22.2°C and an overnight low of 10.7°C.
May runs +7.1°C compared to Haeju's annual average high of 15.2°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 22.2°C and cooler evenings around 10.7°C.