In July, McKinney typically sees daytime highs of 35.2°C and overnight lows around 23.0°C. Compared to the annual average high of 24.4°C, July runs +10.8°C.
July in McKinney averages a daytime high of 35.2°C and an overnight low of 23.0°C.
July runs +10.8°C compared to McKinney's annual average high of 24.4°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 35.2°C and cooler evenings around 23.0°C.