Average water temperature in Cairns
On this page you find the mean water temperature over the year in Cairns (Queensland), Australia. Get insights into the water temperature fluctuations and discover what they mean for visitors.
In Cairns, water temperatures are consistently warm throughout the year. The warmest month is January, with an average water temperature of 28°C.
The coolest month is August, with an average temperature of 22°C. This makes Cairns a year-round destination for swimming and other water-based activities.