In August, Cheyenne typically sees daytime highs of 27.0°C and overnight lows around 10.3°C. Compared to the annual average high of 14.6°C, August runs +12.4°C.
August in Cheyenne averages a daytime high of 27.0°C and an overnight low of 10.3°C.
August runs +12.4°C compared to Cheyenne's annual average high of 14.6°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 27.0°C and cooler evenings around 10.3°C.