Cairns Travel Guide: Best Time to Visit, Stinger Season, Crocodile Safety, the Reef Fee and Where to Stay
Monthly weather in °F and inches, the best area for first-timers, where to swim safely, crocodile rules, what the Great Barrier Reef charge costs in 2026 and the ETA for U.S. travelers.
- 79.5 in of rain a year at the airport
- Nov-May peak stinger season
- A$8.50 reef charge per full day
- 000 emergency number
Two seasons shape any trip to Cairns, in tropical North Queensland: a wet season that dumps more than 15 inches a month from January to March, and a marine stinger season running November through May.
We built this page from Australia’s Bureau of Meteorology, the Queensland Government, Cairns Regional Council, the Great Barrier Reef Marine Park Authority, UNESCO and the U.S. State Department, with every source dated at the bottom.
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- Best time to visit
- Where to stay
- Swimming and stingers
- Crocodile safety
- Great Barrier Reef charge
- The Wet Tropics
- ETA and insurance
- FAQ
- Sources
Best time to visit Cairns: dry season vs. wet season
June through October is the dry stretch: under 2 inches of rain a month at the Cairns Aero station, with average highs of 79 to 85°F, according to Bureau of Meteorology records going back to 1942. From December to April, monthly rain tops 7 inches and peaks in February at about 17 inches.
- Jan 15.9 in
- Feb 17.2 in
- Mar 16.7 in
- Apr 7.9 in
- May 3.6 in
- Jun 1.8 in
- Jul 1.3 in
- Aug 1.1 in
- Sep 1.4 in
- Oct 1.9 in
- Nov 3.5 in
- Dec 7.6 in
Average monthly rainfall, Cairns Aero station, Bureau of Meteorology statistics for 1942-2026. Yellow: under 2.4 in. Light blue: 2.4 to 12 in. Dark blue: over 12 in.
| Month | Low / high | Rain (days) |
|---|---|---|
| Jan | 75 / 89 °F | 15.9 in (16) |
| Feb | 75 / 88 °F | 17.2 in (16) |
| Mar | 74 / 87 °F | 16.7 in (16) |
| Apr | 71 / 85 °F | 7.9 in (15) |
| May | 68 / 82 °F | 3.6 in (11) |
| Jun | 64 / 79 °F | 1.8 in (7) |
| Jul | 63 / 79 °F | 1.3 in (6) |
| Aug | 63 / 80 °F | 1.1 in (5) |
| Sep | 66 / 83 °F | 1.4 in (5) |
| Oct | 69 / 85 °F | 1.9 in (6) |
| Nov | 72 / 87 °F | 3.5 in (8) |
| Dec | 74 / 89 °F | 7.6 in (11) |
Best area to stay in Cairns for first-timers
Downtown, along the Esplanade
The downtown waterfront has the free Esplanade Lagoon and the council’s Esplanade fitness facilities. Base yourself here if you want to join organized reef and rainforest trips without a car and still swim during stinger season.
- Best for: a first trip built around reef days, no rental car.
- Swimming: the lagoon rather than the ocean.
The Northern Beaches: Palm Cove, Trinity Beach, Clifton Beach
These beach communities are among those where Cairns Regional Council posts lifeguards. You trade city convenience for a quieter, oceanfront stay with patrolled swimming.
- Best for: couples and families planning beach time.
- Getting around: plan on a rental car or tour pickups to reach town and the reef boats.
- Keep in mind: November to May, swim inside the stinger enclosures; beaches can close.
Compare Cairns hotel prices and reviews
Where to swim in Cairns, and how to handle stinger season
The Esplanade Lagoon downtown is a 4,800-square-meter (about 52,000 sq ft) saltwater pool that’s free and open year-round, according to Cairns Regional Council. On the coast, the council staffs lifeguards at Ellis Beach, Palm Cove, Clifton Beach, Kewarra Beach, Trinity Beach, Yorkeys Knob, Holloways Beach and Bramston Beach.
Stinger basics: the Queensland Government says marine stingers are around all year, with the highest risk from November to May. Swim inside stinger nets where they exist (the council notes they aren’t fully stinger-proof), consider a full-body Lycra suit, and if someone is stung, pour vinegar on the sting and call 000 for an ambulance. The State Department adds: swim only between the flags where a lifeguard is on duty.
Are there crocodiles in Cairns?
Queensland’s environment department (DETSI) is clear in its December 2024 Crocwise campaign: no body of water in Croc Country can be considered crocodile-free, and crocs also swim in the ocean. Its rules for visitors:
- obey every warning sign, and assume a waterway may hold crocodiles even without one;
- take extra care near water at night;
- stand back from the edge when fishing, and never wade in for a snagged lure;
- report sightings on the QWildlife app or at 1300 130 372.
Visiting the Great Barrier Reef from Cairns: the 2026 reef charge
Every commercial reef trip includes an environmental management charge, which the operator collects and passes to the Great Barrier Reef Marine Park Authority. For 2026 it’s A$8.50 per passenger for a full day and A$4.25 for a part day, rising to A$9.00 and A$4.50 on April 1, 2027.
Our partner GetYourGuide lists snorkel and dive boats out of Cairns. Compare time on the water versus time in transit, whether stinger suits and gear are included, and the refund terms if rough seas cancel the trip.
See all Cairns tours and activities on GetYourGuide
The Wet Tropics of Queensland, a World Heritage rainforest
UNESCO’s World Heritage Committee inscribed the Wet Tropics of Queensland in 1988 under all four natural criteria. For hikes and drives, the State Department points U.S. travelers to the Wet Tropics Management Authority’s visitor guide.
ETA, travel insurance and phone data for U.S. visitors
U.S. citizens need a visa or an Electronic Travel Authority (ETA); for tourism under 90 days, the ETA is enough and is requested through the Australian ETA app or via an airline or travel agent. Your passport must be valid on arrival with at least one blank page, per the State Department page last updated June 2, 2025, which advises travelers to exercise normal precautions in Australia.
Check what your own health plan covers abroad before you go. Our partner SafetyWing Nomad Insurance shows eligibility and a quote online, including any limits on scuba diving; readers based in Europe can compare Chapka Cap Assistance.
An Australia eSIM from our partner Yesim avoids U.S. carrier roaming fees on an unlocked phone. Planning more stops? Our Australia travel guide covers the rest of the country.
Cairns FAQ
What is the best month to visit Cairns?
June through October: under 2 inches of rain a month, highs around 79 to 85°F, and outside peak stinger season.
What is the best area to stay in Cairns for first-timers?
Downtown near the Esplanade if you don’t have a car; Palm Cove or Trinity Beach for a beach-focused stay with a rental car.
Can you swim in the ocean in Cairns?
Yes, at lifeguarded beaches and inside stinger nets in season, from November to May. The Esplanade Lagoon is the stinger-free option downtown.
Is the Cairns Lagoon free?
Yes. Cairns Regional Council lists it as free and open year-round.
How much is the Great Barrier Reef fee?
A$8.50 per person for a full-day trip in 2026 (A$4.25 for a part day), collected by your tour operator.
Do Americans need a visa for Australia?
You need a visa or an ETA; for tourist stays under 90 days, an ETA through the Australian ETA app is sufficient.
More day trips from Cairns
More options from our partner GetYourGuide. For a rainforest day, check the return time and whether hotel pickup covers the Northern Beaches.
Sources
All checked on October 29, 2026.
- Bureau of Meteorology, climate statistics, Cairns Aero (031011).
- Queensland Government, Dangerous marine life.
- Cairns Regional Council, Beaches & foreshores (January 30, 2024) and Swimming pools (March 19, 2024).
- Queensland Department of the Environment, Tourism, Science and Innovation, Crocwiser campaign (December 23, 2024).
- Great Barrier Reef Marine Park Authority, Environmental management charge.
- UNESCO World Heritage Centre, inscription decision, Wet Tropics of Queensland.
- U.S. Department of State, Australia International Travel Information (June 2, 2025).
Written by the Advised Traveler team from the sources above; we have not stayed in Cairns. Tour prices and airport transfer fares are not listed here, so check with operators before you book. Spotted an error? Tell us.