The Whitsundays are warm enough to visit all year, but the weather, the water and what you can see change a lot between seasons. The short answer: June to October is the best time to visit, with dry, sunny days, calm evenings and humpback whales from June to September. If you want the warmest water, November to May is warmer, but it is wetter and you’ll be swimming in a stinger suit.
Best time to visit the Whitsundays at a glance
- Best overall: June to October (dry season).
- Driest month: September, with only about 25 mm of rain on average.
- Whale watching: roughly June to September.
- Warmest water: December to March, around 28°C.
- Stinger season: about October to May. Wear the stinger suits tours provide.
- Wettest and stormiest: January to March, during the wet season and cyclone season (November to April).
- Busiest: Australian school holidays, especially late December and January, Easter, and the mid-year break in late June and July.
Whitsundays weather month by month
Long-term averages for Airlie Beach, the gateway town for most boat trips:
| Month | Avg high | Avg low | Sea temp | Rain |
|---|---|---|---|---|
| January | 30°C | 25°C | 28°C | Very wet |
| February | 30°C | 25°C | 29°C | Wettest |
| March | 29°C | 24°C | 27°C | Very wet |
| April | 27°C | 23°C | 26°C | Wet |
| May | 25°C | 21°C | 24°C | Drying out |
| June | 22°C | 18°C | 22°C | Fairly dry |
| July | 22°C | 18°C | 21°C | Dry |
| August | 23°C | 18°C | 23°C | Dry |
| September | 25°C | 20°C | 26°C | Driest |
| October | 28°C | 22°C | 26°C | Dry |
| November | 29°C | 23°C | 27°C | Getting wetter |
| December | 30°C | 24°C | 28°C | Wet |
Even in the wet season, rain often comes as short, heavy afternoon storms rather than all-day rain. But the sea can be choppier, and tours are sometimes rescheduled.
The Whitsundays by season
Winter, June to August: dry, calm, and whale season
This is the classic time to visit. Days are sunny and around 22°C, nights are cool, and there is very little rain. Humpback whales arrive from Antarctica to breed and give birth, and you may spot mothers and calves from your boat. The water is at its coolest, about 21°C to 23°C, so a thin wetsuit makes snorkelling more comfortable. A steady south-east trade wind blows through winter, which is great for sailing but can make some crossings bumpy.
The mid-year school holidays, late June to mid-July, are busy. Book overnight boats well ahead, and August is busy too during the two big sailing regattas: Airlie Beach Race Week and Hamilton Island Race Week.
Spring, September to October: the sweet spot
For many people this is the best time of all. September is the driest month of the year, the water is warming up to about 26°C, and the crowds of the winter holidays have gone. Early September is your last good chance to see whales. Stinger season begins around October, so from then on you’ll wear a stinger suit in the water.
Summer, November to March: hot, humid and wet
Summer brings the warmest water, around 27°C to 29°C, and lush green islands. It is also the wet season, with high humidity, heavy afternoon storms and the risk of tropical cyclones, mostly from January to March. Late December and January are the busiest weeks of the year, as Australians go on their summer holidays. If you visit in summer, choose flexible bookings and travel insurance in case the weather changes your plans.
Autumn, April to May: quieter and good value
The rain eases through April and May, temperatures are pleasant at about 25°C to 27°C, and the water is still warm. Apart from Easter, it’s a quieter time, with good availability on boats. Stingers can still be around, so keep wearing the suits provided.
What is stinger season, and should it stop you going?
From roughly October to May, box jellyfish and the tiny Irukandji jellyfish can be present in the waters of tropical Queensland. They are rare but can be dangerous, so the local advice is simple: wear a full-length stinger suit whenever you swim or snorkel in these months. Most tour and sailing operators provide them free. Stinger season is not a reason to avoid the Whitsundays. Thousands of people snorkel safely in summer every year, but do follow the crew’s advice.
Best time for a Whitsundays sailing trip
Overnight sailing trips run all year. For the best mix of weather, calm anchorages and comfortable swimming, aim for August to October. If you’re sailing as a couple, choose a boat with private cabins rather than a backpacker boat. Our guide to the best overnight Whitsundays sailing trips for couples compares the options, and if you’re unsure how long to go for, read 2 days 1 night or 3 days 2 nights?
Best time to see Whitehaven Beach and Hill Inlet
Whitehaven Beach looks stunning all year, but the famous swirling sands at Hill Inlet look best at low tide, on a sunny day. The clear, dry days of June to October give the best chance of that postcard view. Many tours time their visit to the lookout around the tides, so check the timing when you book.
Best time to visit the Whitsundays: FAQs
What is the best month to visit the Whitsundays?
September. It is the driest month, the water is warming up, the school holiday crowds have gone, and you may still see whales.
When is whale season in the Whitsundays?
Roughly June to September, with July and August usually the best months.
When should you avoid the Whitsundays?
February and March are the wettest months and have the highest cyclone risk. Late December and January are the most crowded and expensive.
Can you swim in the Whitsundays in winter?
Yes. The water is still around 21°C to 23°C. Most people find a wetsuit or stinger suit makes snorkelling more comfortable.