Average monthly water temperature in Thornlie, Australia
On this page you find the mean water temperature over the year in Thornlie (Western Australia), Australia. Get insights into the water temperature fluctuations and discover what they mean for visitors.
Thornlie 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.
Thornlie Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Thornlie - and find the best time to visit.
Thornlie 3-Day Forecast
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Thornlie climate overview or explore weather in Australia.
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