Average monthly water temperature in Cairns, Australia
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 (82°F).
The coolest month is June, with an average temperature of 22°C (72°F). This makes Cairns a year-round destination for swimming and other water-based activities.
Cairns Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cairns - and find the best time to visit.
Cairns 3-Day Forecast
Temperature Rainfall Sunshine Humidity Water Temp
See the full Cairns climate overview or explore weather in Australia.
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