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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Southern Monitor Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Expect mild, dry winter days in Cairns this July, with highs around 26°C and low humidity. Pack a light jacket for cool mornings and evenings, and plan outdoor activities around the reliable sunshine—rainfall is at its lowest for the year.
What is the typical weather in Cairns during July?
July is Cairns’ coolest and driest month. Daytime temperatures sit in the low-to-mid 20s Celsius, while overnight lows drop to around 17°C. Humidity is low, around 60–70%, making it comfortable for exploring. The live forecast above shows current conditions, but expect mostly clear skies and minimal rainfall—typically less than 30 millimetres for the month.
Can you swim in Cairns in July?
Yes, you can swim. The ocean temperature sits around 23°C—cool but pleasant for a dip. The stinger season has passed, so no marine stingers are a concern. Beaches like Palm Cove and Ellis Beach are good options. For warmer swimming, use hotel pools or head inland to the Atherton Tablelands.
Is July a good time to visit Cairns?
Yes—it’s one of the best months. Low humidity, clear skies, and mild temperatures make it ideal for outdoor activities like hiking, snorkelling, and visiting the Great Barrier Reef. Crowds are moderate, and accommodation is easier to book than in peak season.
What should I pack for Cairns in July?
Pack light layers: shorts and T-shirts for daytime, plus a jumper or light jacket for evenings and early mornings. Sunscreen, a hat, and sunglasses are essential. A rain jacket is rarely needed but handy for occasional showers. Reef shoes are useful if you plan to swim.
How does July compare to August in Cairns?
July and August are very similar—both dry and mild. August is slightly warmer, with average highs around 27°C, and sees even less rain. If you’re considering cairns weather august, expect similar conditions but with marginally longer daylight hours for outdoor plans.
Where to go for nearby weather
For conditions north of Cairns, check port douglas weather july—it’s typically a degree or two cooler and slightly breezier. For broader Queensland forecasts, see our Brisbane Weather page or the Australia weather hub.