In May, Hwaseong-si typically sees daytime highs of 21.6°C and overnight lows around 11.7°C. Compared to the annual average high of 16.2°C, May runs +5.4°C.
May in Hwaseong-si averages a daytime high of 21.6°C and an overnight low of 11.7°C.
May runs +5.4°C compared to Hwaseong-si's annual average high of 16.2°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 21.6°C and cooler evenings around 11.7°C.