In August, Cape Town typically sees daytime highs of 18.1°C and overnight lows around 9.5°C. Compared to the annual average high of 21.2°C, August runs -3.2°C.
August in Cape Town averages a daytime high of 18.1°C and an overnight low of 9.5°C.
August runs -3.2°C compared to Cape Town's annual average high of 21.2°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 18.1°C and cooler evenings around 9.5°C.