In August, Petropolis typically sees daytime highs of 26.5°C and overnight lows around 15.0°C. Compared to the annual average high of 28.2°C, August runs -1.7°C.
August in Petropolis averages a daytime high of 26.5°C and an overnight low of 15.0°C.
August runs -1.7°C compared to Petropolis's annual average high of 28.2°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 26.5°C and cooler evenings around 15.0°C.