Cairns · Month comparison
February vs July
July ranks #1 overall vs February at #12. Peak season — the best reef conditions of the year with Australian and international visitors at maximum
February
#12 of 12 months
Worth considering
The wettest month — stingers, cyclones and poor visibility make February the worst month for reef visits
- ↑Daintree National Park at its most lush and green; Cape Tribulation very atmospheric
- ↑Some accommodation deals; inland Atherton Tablelands cooler and accessible
July
#1 of 12 months
Best match
Peak season — the best reef conditions of the year with Australian and international visitors at maximum
- ↑The most reliably excellent conditions: clear skies, flat seas and 30m+ reef visibility
- ↑Dwarf minke whale encounters (June-July only) unique to the northern Great Barrier Reef
| Factor | February | July |
|---|---|---|
| Weather score | 3 | 9 |
| Value score | 6 | 4 |
| Crowd score | 5 | 8 |
| Events score | 3 | 5 |
| Atmosphere | 4 | 8 |
| Avg high temp | 31°C | 25°C |
| Monthly rain | 449mm | 23mm |
| Daily sunshine | 6.5hrs | 11hrs |
February trade-offs
- ↓Peak stinger season: box jellyfish and Irukandji make beach swimming dangerous without stinger suits
- ↓Highest cyclone risk; travel insurance essential and advance reservations unwise
July trade-offs
- ↓Maximum crowds; popular reef pontoons at Agincourt can have 200+ visitors simultaneously
- ↓July school holiday peak: every liveaboard and dive operator fully booked, prices at maximum
Scores compare months within Cairns. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →