In October, McKinney typically sees daytime highs of 25.9°C and overnight lows around 12.5°C. Compared to the annual average high of 24.4°C, October runs +1.5°C.
October in McKinney averages a daytime high of 25.9°C and an overnight low of 12.5°C.
October runs +1.5°C compared to McKinney's annual average high of 24.4°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 25.9°C and cooler evenings around 12.5°C.