In August, Cayenne typically sees daytime highs of 31.1°C and overnight lows around 22.6°C. Compared to the annual average high of 30.0°C, August runs +1.1°C.
August in Cayenne averages a daytime high of 31.1°C and an overnight low of 22.6°C.
August runs +1.1°C compared to Cayenne's annual average high of 30.0°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 31.1°C and cooler evenings around 22.6°C.