In May, Wonju typically sees daytime highs of 23.2°C and overnight lows around 9.7°C. Compared to the annual average high of 16.3°C, May runs +6.8°C.
May in Wonju averages a daytime high of 23.2°C and an overnight low of 9.7°C.
May runs +6.8°C compared to Wonju's annual average high of 16.3°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 23.2°C and cooler evenings around 9.7°C.