In May, Shiwan typically sees daytime highs of 30.2°C and overnight lows around 23.0°C. Compared to the annual average high of 26.6°C, May runs +3.7°C.
May in Shiwan averages a daytime high of 30.2°C and an overnight low of 23.0°C.
May runs +3.7°C compared to Shiwan's annual average high of 26.6°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 30.2°C and cooler evenings around 23.0°C.