ClimaGo › Cairns › Weather in December
Australia
Summer heat and humidity peak at 32°C with regular afternoon storms and occasional cyclones possible, so travelers should book indoor activities as backups and monitor weather forecasts closely.
Avg High
31°C
Avg Low
24°C
Daily Rain
6.5mm
Rainfall
High
💡 Best months to visit Cairns: Jul, Aug, Sep
Tropical Cairns serves as the gateway to the Great Barrier Reef, rainforests, Aboriginal culture and world-class diving and water sports.