In August, Modesto typically sees daytime highs of 33.7°C and overnight lows around 15.2°C. Compared to the annual average high of 23.6°C, August runs +10.1°C.
August in Modesto averages a daytime high of 33.7°C and an overnight low of 15.2°C.
August runs +10.1°C compared to Modesto's annual average high of 23.6°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 33.7°C and cooler evenings around 15.2°C.