Great Barrier Reef month by month

The best time to visit Great Barrier Reef

For most travellers, the sweet spot in Great Barrier Reef is June · July · August: 26° avg. high, prices close to the yearly average. Peak season brings the biggest crowds of the year, while the quiet months trade weather for space and value.

Climate through the year

Month	Temp	Crowds	Price	Verdict
January	31° / 24°	Moderate	$$	Avoid
February	31° / 24°	Low	$	Avoid
March	31° / 23°	Low	$	Fair
April	30° / 22°	Moderate	$$	Fair
May	28° / 20°	Moderate	$$	Great
June	26° / 18°	High	$$	Ideal
July	25° / 17°	High	$$	Ideal
August	26° / 17°	High	$$	Ideal
September	27° / 19°	High	$$	Great
October	29° / 21°	Moderate	$$	Great
November	30° / 23°	Moderate	$$	Fair
December	31° / 24°	Moderate	$$	Fair

Best months June July August October

Months to avoid January February

The year in Great Barrier Reef

Four broad seasons, and what each one actually feels like on the ground in Great Barrier Reef.

Spring Great

Sep–Nov · highs around 29°C · Warm dry days, school holidays build

Sep ·Oct ·Nov

Summer Fair

Dec–Feb · highs around 31°C · Summer holidays lift prices despite humidity

Dec ·Jan ·Feb

Autumn Great

Mar–May · highs around 30°C · Dry season begins, visibility improves

Mar ·Apr ·May

Winter Ideal

Jun–Aug · highs around 26°C · Cool, dry, exceptional reef visibility

Jun ·Jul ·Aug

When to go, depending on what you want

Best weather

The months where climate comfort peaks, whatever else is happening.

June ·August

Best value

Still a good trip, at the lowest prices of the year.

March ·April

Fewest crowds

When you get the main sights closest to yourself.

March ·November

Biggest events

When the calendar gives you something the other months do not.

November ·December ·June

Practical basics

Region: Oceania
Local currency: AUD
Hemisphere: Southern (summer in Dec–Feb)
Yearly range: 17° – 31°
Strongest months: June, July, August
Good for: wildlife · nature · adventure · islands

Events in Great Barrier Reef

Nov–Dec Coral Spawning — Reef corals release synchronized clouds of eggs and sperm on warm summer nights.
Jun–Jul–Aug–Sep Whale Migration Season — Humpback and minke whales migrate past the reef, drawing dedicated watching tours.
Nov–Dec–Jan–Feb–Mar–Apr Marine Stinger Season — Box jellyfish and Irukandji risk closes unprotected beaches to swimmers each wet season.
Aug–Sep Cairns Festival — A multi-week arts and cultural festival fills the Cairns Esplanade with performances.

Every month in Great Barrier Reef

A dedicated breakdown for each month — weather, crowds, prices, events and a verdict.

Frequently asked questions

What is the best month to visit Great Barrier Reef?

What is the cheapest time to visit Great Barrier Reef?

March — Prices run low season this month: some of the best deals of the year. Save 43%.

When should you avoid Great Barrier Reef?

January, February.

What is the weather like in Great Barrier Reef?

Average highs sit around 31°C with lows near 17°C. Rainfall is moderate; the odd shower is likely.