In May, Yancheng typically sees daytime highs of 24.4°C and overnight lows around 13.5°C. Compared to the annual average high of 19.4°C, May runs +5.0°C.
May in Yancheng averages a daytime high of 24.4°C and an overnight low of 13.5°C.
May runs +5.0°C compared to Yancheng's annual average high of 19.4°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 24.4°C and cooler evenings around 13.5°C.