In July, San Tan Valley typically sees daytime highs of 40.6°C and overnight lows around 24.4°C. Compared to the annual average high of 29.7°C, July runs +10.9°C.
July in San Tan Valley averages a daytime high of 40.6°C and an overnight low of 24.4°C.
July runs +10.9°C compared to San Tan Valley's annual average high of 29.7°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 40.6°C and cooler evenings around 24.4°C.