In May, Tempe Junction typically sees daytime highs of 34.0°C and overnight lows around 15.7°C. Compared to the annual average high of 29.8°C, May runs +4.2°C.
May in Tempe Junction averages a daytime high of 34.0°C and an overnight low of 15.7°C.
May runs +4.2°C compared to Tempe Junction's annual average high of 29.8°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 34.0°C and cooler evenings around 15.7°C.