In May, Hongsung typically sees daytime highs of 22.5°C and overnight lows around 10.4°C. Compared to the annual average high of 16.8°C, May runs +5.7°C.
May in Hongsung averages a daytime high of 22.5°C and an overnight low of 10.4°C.
May runs +5.7°C compared to Hongsung's annual average high of 16.8°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 22.5°C and cooler evenings around 10.4°C.