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Cairns

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Travel Info
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Travel Info

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Cairns Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Cairns year round climate

  • Spring (March to May): Average 22.6–26°C, mild and dry climate with abundant sunshine, ideal for sightseeing. Common activities: snorkeling, diving, Great Barrier Reef tours, rainforest walks. Recommended clothing: light long-sleeved shirts, shorts, sun protection clothing.
  • Summer (June to August): Average 20.4–21°C, cool and dry climate with relatively low humidity. Common activities: stargazing, rainforest walks, enjoying outdoor activities. Recommended clothing: light long-sleeved or short-sleeved clothing, light jacket.
  • Autumn (September to November): Average 22.7–25.8°C, warm and dry climate with abundant sunshine. Common activities: snorkeling, diving, Great Barrier Reef tours, rainforest walks. Recommended clothing: light long-sleeved shirts, shorts, sun protection clothing.
  • Winter (December to February): Average 26–27.4°C, hot and humid climate, with higher rainfall in January. Common activities: swimming, sunbathing, Great Barrier Reef tours. Recommended clothing: light and breathable clothing, swimwear, sun protection clothing.

Cairns climatological average

Annual average temperature: approx. 24.1°C / Annual rainfall: approx. 68 mm / Summer humidity: 60%–70% / Rainiest month: January

Cairns monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
27.4°C
20.8
February
26.7°C
9.2
March
26°C
14.6
April
24.6°C
3.3
May
22.6°C
1.5
June
20.9°C
0.6
July
20.4°C
1.5
August
21°C
0.9
September
22.7°C
1.5
October
24.5°C
0.7
November
25.8°C
1.4
December
26.8°C
12

Cairns weather for the next seven days

6/12
Friday
Patchy rain nearby
25.1°C/18.8°C
6/13
Saturday
Patchy rain nearby
24.2°C/18.3°C
6/14
Sunday
Patchy rain nearby
22.8°C/18°C
6/15
Monday
Moderate rain
23.3°C/19.6°C
6/16
Tuesday
Moderate rain
22.9°C/18.4°C
6/17
Wednesday
Patchy rain nearby
23.4°C/17.5°C
6/18
Thursday
Patchy rain nearby
24.6°C/18.7°C

Cairns Frequently Asked Questions and Useful Information for Travel

What is the best month to visit Cairns?

The best months to visit Cairns are generally during the dry season from May to October. June to October offers the most ideal weather for both the Great Barrier Reef and land-based activities due to clear skies, pleasant temperatures, and minimal rainfall. This period also coincides with whale watching season and avoids the marine stinger season and higher humidity of the wet season from November to May. Minimal rain leads to ideal conditions for snorkeling, diving, and exploring the Great Barrier Reef. Temperatures are comfortable and humidity is low, making it perfect for outdoor activities. From June to September/October, humpback whales migrate to the region, offering excellent chances to see them. You avoid the deadly box jellyfish and other marine stingers that are prevalent during the wet season.

Is Cairns worth visiting?

Yes, Cairns is absolutely worth visiting, particularly for nature lovers and adventurers, as it serves as a gateway to the Great Barrier Reef and the Daintree Rainforest, offering access to both a World Heritage marine site and the world's oldest tropical rainforest. Cairns is a prime departure point for exploring the vast coral systems, diverse marine life, and pristine waters of the Great Barrier Reef. The city offers convenient access to the Daintree, the oldest surviving tropical rainforest, where you can discover dense forests, spot crocodiles, and potentially see cassowaries. Cairns features a bustling Esplanade with cafes, markets, and a saltwater lagoon, providing a lively atmosphere for visitors. Beyond these natural wonders, you can explore lively markets and cafes, relax on nearby beaches, take rainforest river cruises, and immerse yourself in Indigenous culture.

How many days are enough for Cairns?

3-7 days is the sweet spot for visiting Cairns, though you could certainly spend longer if you have the time. If you only have 2 or 3 days in Cairns, you can still have an incredible experience and see many of the highlights.

What months can you not swim in the ocean in Cairns?

You should avoid swimming in the ocean in Cairns from November to May due to the presence of marine stingers. If you do decide to swim during these months, it is recommended to wear a stinger suit for protection.

What are the main attractions in Cairns?

Cairns is the perfect base for exploring two UNESCO World Heritage sites: the Great Barrier Reef and the Daintree Rainforest. You can take boat tours to snorkel or dive amongst vibrant coral and marine life on the reef. Inland, the Daintree offers lush tropical rainforest walks, opportunities to spot wildlife like crocodiles and cassowaries, and scenic river cruises. The Cairns Esplanade also features a popular saltwater lagoon, perfect for a refreshing swim, alongside shops, restaurants, and a lively atmosphere.