Average monthly water temperature in Cottesloe, Australia
On this page you find the mean water temperature over the year in Cottesloe (Western Australia), Australia. Get insights into the water temperature fluctuations and discover what they mean for visitors.
Water temperatures in Cottesloe fluctuate across the seasons. The warmest month, March, averages 21°C (70°F).
The coldest water temperature month is August, averaging 17°C (63°F). Seasonal shifts offer opportunities to explore different activities depending on the time of year.