In August, Plano typically sees daytime highs of 35.2°C and overnight lows around 22.6°C. Compared to the annual average high of 24.4°C, August runs +10.8°C.
August in Plano averages a daytime high of 35.2°C and an overnight low of 22.6°C.
August runs +10.8°C compared to Plano's annual average high of 24.4°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 35.2°C and cooler evenings around 22.6°C.