In May, Sishui typically sees daytime highs of 25.9°C and overnight lows around 12.8°C. Compared to the annual average high of 18.6°C, May runs +7.3°C.
May in Sishui averages a daytime high of 25.9°C and an overnight low of 12.8°C.
May runs +7.3°C compared to Sishui's annual average high of 18.6°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 25.9°C and cooler evenings around 12.8°C.