In August, Grapevine typically sees daytime highs of 35.5°C and overnight lows around 23.0°C. Compared to the annual average high of 24.8°C, August runs +10.7°C.
August in Grapevine averages a daytime high of 35.5°C and an overnight low of 23.0°C.
August runs +10.7°C compared to Grapevine's annual average high of 24.8°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 35.5°C and cooler evenings around 23.0°C.