In August, Mesa typically sees daytime highs of 39.5°C and overnight lows around 24.7°C. Compared to the annual average high of 29.8°C, August runs +9.7°C.
August in Mesa averages a daytime high of 39.5°C and an overnight low of 24.7°C.
August runs +9.7°C compared to Mesa's annual average high of 29.8°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 39.5°C and cooler evenings around 24.7°C.