SeasonScore
Great Barrier Reef, Australia
Photo: Toby Hudson · CC BY-SA 3.0

Australia

Great Barrier Reef in October

☀️ Dry season

Pleasant, humid and mostly dry.

🎒 Pack: quick-dry fabrics · sunglasses & hat

Best months: Jun (9.5), Aug (9.5), Jul (9.4)

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Why October scores 9.1What goes into the score

How it works
🌡️ 25° / 25°C🌧️ 20 mm💧 dew pt 21°🍃 PM2.5 11
  • Weather comfort8.9
    • ✓Comfortable temperatures (25.3°C highs / 24.7°C lows)
    • !Humid (dew point 21°C)
    • ✓Mostly dry (~20 mm rain)
  • Air quality9.1
    • ✓Good (within WHO guideline) (PM2.5 ~11 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline8.5
    • ·Normal precautions
Compare monthsPut October side by side with another month
OctJun
Score9.1 Excellent9.5 Excellent
Season☀️ Dry season☀️ Dry season
High / low25° / 25°24° / 23°
Rain20 mm23 mm
Humiditydew pt 21°dew pt 19°
PM2.511 µg/m³7 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast).

Holidays & crowdsOctober 2027

No long holidays

No long public-holiday weekends this month. School holidays aren't counted, so check those if you want to avoid family crowds.

No national public holidays in Australia this month.

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Explore Great Barrier ReefEvents, sights, food & souvenirs

Check event dates locally

The world's largest coral reef system off Queensland, Australia, visited for snorkelling, diving, island stays and scenic flights from Cairns, Port Douglas and the Whitsundays.

Events in October

No major events on our calendar for October.

Coming up later

Stinger seasonDate variesUsually November to May

Box jellyfish and Irukandji jellyfish are more common in warmer months.

Why go: Wear a full-body stinger suit when snorkelling or swimming and follow local signage.

Where: Coastal waters and parts of the reef

Coral spawningDate variesUsually a few nights after a full moon in November or December

Corals release eggs and sperm en masse in a synchronised night-time event.

Why go: Some dive operators run special night dives; exact dates can only be predicted roughly.

Where: Throughout the reef

Turtle nesting and hatchingDate variesNesting usually November to January, hatching January to March

Loggerhead and green turtles come ashore to lay eggs on southern reef beaches.

Why go: Mon Repos turtle viewing is by ranger-guided tour only.

Where: Mon Repos near Bundaberg and island cays such as Heron and Lady Elliot

Plan this tripTickets, data and transfers for Great Barrier Reef

Airport transfer Kiwitaxi

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