In May, Tucson typically sees daytime highs of 32.3°C and overnight lows around 13.6°C. Compared to the annual average high of 28.3°C, May runs +4.0°C.
May in Tucson averages a daytime high of 32.3°C and an overnight low of 13.6°C.
May runs +4.0°C compared to Tucson's annual average high of 28.3°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 32.3°C and cooler evenings around 13.6°C.