In July, Surprise typically sees daytime highs of 40.8°C and overnight lows around 25.4°C. Compared to the annual average high of 29.7°C, July runs +11.1°C.
July in Surprise averages a daytime high of 40.8°C and an overnight low of 25.4°C.
July runs +11.1°C compared to Surprise's annual average high of 29.7°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 40.8°C and cooler evenings around 25.4°C.