Cairns Weather in May

May weather in Cairns

May feels warm and humid, with afternoons around 26°C and evenings near 20°C. It's drier than April, but rain still falls on many days, often in short spells. You'll get some sunshine between clouds, though sticky air can make a long walk feel tiring.

Boat trips to the Great Barrier Reef and visits to Cairns Esplanade can still work well. Rainforest trails around Kuranda may be muddy, so don't count on dry footing. May is also near the end of the marine stinger season, so check with your reef operator before swimming.

Events and crowds

Queensland's Labour Day public holiday falls in May. It can bring more local visitors over the long weekend, but May is generally quieter than the busy winter season.

You'll usually find fewer crowds and softer accommodation prices than in June, July or August. The trade-off is less settled weather. For a calmer city break, May can suit you better than the winter peak.

What to do with a rainy day

Families who'd rather skip peak-season crowds may like May, as long as they're happy to work around showers.

Ask your reef boat operator about sea conditions and stinger suits before you go. Operators commonly provide suits during stinger season, but swimming rules can vary by trip. On a wet day, the Cairns Aquarium offers an indoor look at local reef and rainforest life. If you're heading to Kuranda, the Skyrail Rainforest Cableway gives you a view over the canopy without a long trail walk. Don't expect every ride or outing to run smoothly in heavy rain; keep your plans flexible.