In August, Denver typically sees daytime highs of 29.8°C and overnight lows around 13.0°C. Compared to the annual average high of 18.1°C, August runs +11.7°C.
August in Denver averages a daytime high of 29.8°C and an overnight low of 13.0°C.
August runs +11.7°C compared to Denver's annual average high of 18.1°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 29.8°C and cooler evenings around 13.0°C.