In August, Perth typically sees daytime highs of 17.5°C and overnight lows around 8.3°C. Compared to the annual average high of 23.6°C, August runs -6.0°C.
August in Perth averages a daytime high of 17.5°C and an overnight low of 8.3°C.
August runs -6.0°C compared to Perth's annual average high of 23.6°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 17.5°C and cooler evenings around 8.3°C.