In March, Perth typically sees daytime highs of 28.8°C and overnight lows around 16.5°C. Compared to the annual average high of 23.6°C, March runs +5.2°C.
March in Perth averages a daytime high of 28.8°C and an overnight low of 16.5°C.
March runs +5.2°C compared to Perth's annual average high of 23.6°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 28.8°C and cooler evenings around 16.5°C.