In May, Heihe typically sees daytime highs of 18.1°C and overnight lows around 4.2°C. Compared to the annual average high of 5.8°C, May runs +12.3°C.
May in Heihe averages a daytime high of 18.1°C and an overnight low of 4.2°C.
May runs +12.3°C compared to Heihe's annual average high of 5.8°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 18.1°C and cooler evenings around 4.2°C.