In July, Tucson typically sees daytime highs of 37.4°C and overnight lows around 22.7°C. Compared to the annual average high of 28.3°C, July runs +9.1°C.
July in Tucson averages a daytime high of 37.4°C and an overnight low of 22.7°C.
July runs +9.1°C compared to Tucson's annual average high of 28.3°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 37.4°C and cooler evenings around 22.7°C.