Average monthly water temperature in Hillarys, Australia
On this page you find the mean water temperature over the year in Hillarys (Western Australia), Australia. Get insights into the water temperature fluctuations and discover what they mean for visitors.
Hillarys experiences water temperature shifts throughout the year. The warmest month, March, reaches an average of 21°C (70°F).
The coldest month, August, averages 17°C (63°F). Visitors during these months can leave their swimming gear at home.
Hillarys Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hillarys - and find the best time to visit.
Hillarys 3-Day Forecast
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Hillarys climate overview or explore weather in Australia.
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