In May, Gannan typically sees daytime highs of 20.4°C and overnight lows around 5.8°C. Compared to the annual average high of 8.7°C, May runs +11.7°C.
May in Gannan averages a daytime high of 20.4°C and an overnight low of 5.8°C.
May runs +11.7°C compared to Gannan's annual average high of 8.7°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 20.4°C and cooler evenings around 5.8°C.