Average monthly water temperature in Perth, Australia
On this page you find the mean water temperature over the year in Perth (Western Australia), Australia. Take a closer look at the water temperature patterns and what they mean for swimming and recreation.
Perth experiences water temperature shifts throughout the year. The warmest month, April, reaches an average of 21°C (70°F).
The coldest month, September, averages 17°C (63°F). Visitors during these months can leave their swimming gear at home.
