Discover Cairns Weather: Best Time to Visit and Year-Round Climate Guide

The climate in Cairns, Australia, is classified as tropical.  The city experiences high temperatures and high humidity throughout the year, with the warmest months being December to April and the coolest months being June to August.

The average temperature in Cairns is around 25 to 30°C (77 to 86°F) during the day and 20 to 25°C (68 to 77°F) at night.  The city receives significant rainfall, with the wettest months being January and February.

Despite the high rainfall, the city is still sunny for most of the year, with the sunniest months being June to September.

Cairns’ weather Cairns enjoy a tropical climate.  The dry season is filled with glorious sunny days with blue skies, as far as you can see, and the wet season brings fantastic tropical rains.

Summer months in Cairns are hot and humid, with tropical showers, mainly in the late afternoons.

The wet season is the ideal time to visit the Tropical Rainforest, Visit the Atherton Tablelands, stay overnight on the Great Barrier Reef or relax by the Cairns lagoon.

Winter is ideal for walking, visiting parks, Great Barrier Reef tours, cycling, and relaxing at the beach.

The Cairns Esplanade has excellent outdoor activities for the whole year.

Cairns All-year Weather

Cairns’ weather has hot and humid summers and mild, dry winters.

The average annual maximum temperature is 29°C (84.2°F), with 62% humidity.

Summer (December – February)

Cairns’ average temperature in summer ranges from 23.6°C to 31.4°C (74.5 – 88.5°F).

The wet season begins around December, and most of the region’s annual rainfall (around 2000mm or 78.7 inches) occurs in summer.

Is the ideal time to visit the Daintree Rainforest

Autumn (March-May)

It continues to be very wet and warm both day and night in autumn, with temperatures averaging between 21.5°C and 29°C (70.7 – 84.2°F).

While rain eases from April, it can be windy through to August.

Prevailing south-easterlies continue into October.

Winter (June – August)

Temperatures are slightly more relaxed and the humidity lower, so it becomes the peak tourist season.

Average temperatures range from 17.5°C to 26°C (63.5 – 78.8°F), and rainfall is low.

Spring (September – November)

Cairns’ average temperatures range from 20.5°C to 29°C (68.9 – 84.2°F) as the dry season ends and humidity rises in the build-up to the wet season from December.

Climatic changes herald the start of the annual coral spawning in November when the Great Barrier Reef comes alive.

Sunrise and sunset

Cairns Weather
Cairns Weather

The most extended daylight hours in the Cairns region are in December, with sunrise at approximately 5:40 am and sunset at 6:45 pm.

June has the least daylight hours: sunrise is at approximately 6:45 am, and sunset is at 5:50 pm.

Does Cairns have Daylight Savings?

There is no such thing as Daylight saving in the state of Queensland.

What is the time in Cairns?

Cairns’s time zone is Australian Eastern Standard Time (AEST), UTC +10.  Also, you can see the correct time at the top of our website.

Swimming temperature

The average sea temperature in summer at Cairns’ northern beaches ranges from 28.9°C to 29.4°C (84 – 84.9°F) and falls slightly in winter to between 23.8°C and 24.5°C (74.8 – 76.1°F).

Stinger season

It is sensible and advisable to wear stinger suits in the beach waters from Cairns to Port Douglas, as box jellyfish and Irukandji (the smallest of the box jellyfish family) can be deadly.

Stinger season, or jellyfish season, is generally between November and May.

Northern beaches are also lined with monitored stinger nets to keep out the jellyfish and make waters safer for swimmers.

Taking care of marine stingers’ risk is low on the Great Barrier Reef, but it is better to be over-cautious.  As a result, stinger suits are available for free on most tourist boats.

Ultraviolet (UV) Index

Visitors should check the UV index in local weather reports when visiting Cairns and Far North Queensland.  The index describes the daily solar UV radiation intensity.

Protection from sunburn

Wear sun-smart clothing, including a hat and sunglasses, and use SPF30+ sunscreen to be sure not to get sunburnt.  (widely available in pharmacies and supermarkets).

Bug repellent for midges, mosquitos, and sand flies when fishing in the inlet or onshore.

There are crocodiles in some of the waterways around Cairns.  Please observe the signs.

Cairns Weather 

Cairns weather

There are fantastic things regardless of the weather.

Cairns Weather FAQ’s

Q. What is the best time to visit Cairns for good weather?

A. The best time to visit Cairns is during the dry season, which typically runs from April to November. This period offers pleasant, sunny weather with lower chances of rain.

Q. Does Cairns experience cyclones?

A. Yes, Cairns can experience cyclones, especially during the wet season (December to March). It’s important to monitor weather forecasts and be prepared if you plan to visit during this time.

Q. What is the average temperature in Cairns throughout the year?

A. Cairns enjoys a tropical climate. Average temperatures range from 24°C (75°F) in winter to 31°C (88°F) in summer, making it a great destination year-round.

Q. Is there a rainy season in Cairns?

A. Yes, Cairns has a wet season from December to March. During this time, expect heavy rainfall and higher humidity levels.

Q. Are there any weather-related activities to enjoy in Cairns?

A. Absolutely! Cairns offers a range of weather-dependent activities, from snorkeling in the Great Barrier Reef to exploring the Daintree Rainforest. Be sure to check the weather forecast to plan your adventures accordingly.

Q. What should I pack for my Cairns trip?

A. Pack lightweight clothing, swimwear, sunscreen, a hat, and insect repellent. Don’t forget a rain jacket if you’re visiting during the wet season.

All Cairns weather attractions include

Aquarium

Wildlife Dome

Zoom Adventure Ropes Course

 

Next, explore the best things to do in Cairns

Plan your visit to Cairns.