Cairns weather and climate - scenic view of Cairns, Australia

Cairns Weather Forecast

Plan your trip to Cairns, Australia with confidence. Based on 30 years of NASA satellite data, expect average temperatures of 27°C (high) to 22°C (low), with 868mm annual rainfall. The Coral Sea averages 27°C for swimming. The best months to visit are April, May, June for optimal weather conditions. Explore daily forecasts for all 365 days.

Avg High
27°C

Peak in February

Avg Low
22°C

Coolest in August

Annual Rainfall
868mm

Heavy in February

Daily Sunshine
8hrs

Peak in dry season

Sea Temperature

Coral Sea

27.1°C

Annual Average

Water Feel
🌴Tropical

Perfect for swimming and water sports

Swim Rating
Excellent for swimming

Based on average sea surface temperature

Body of Water
Coral Sea

Cairns coastline

Cairns Monthly Weather Guide

Click any month to explore daily weather forecasts

Currency

AUD

$ Australian dollar

Language

English

Driving

Left side

Safety

High Safety

GPI: 1.565

Best Time to Visit Cairns

Location, climate overview & historical trends

Australia

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📍 16.9186° S, 145.7781° E

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Cairns is a prominent destination in Australia.

Located at 16.92°S latitude,Cairns experiences a tropical climate with warm temperatures year-round.

Based on 30 years of data, February is the warmest month (avg. 30°C), while August is the coolest. February sees the most rain (58% chance), making September the driest month.

Historical Climate Trend

30-Year Analysis

+1.2°C

Total over 30 years

+0.4°C

Per decade

Linear regression analysis of historical maximum temperatures for Cairns, based on 1995-2024 satellite data from NASA POWER.

Best Time to Visit

NASA POWER Data (1991-2021)

April, May, June

Best months to visit

27°C

Avg High

Based on 30 years of NASA satellite data,Cairns receives approximately 868mm of rainfall annually. These months offer optimal temperatures and minimal rain probability for your visit.

📊 30YearWeather🛰️ NASAView Full Guide →

Climate Trends

EXCLUSIVE

1995-2040 Temperature Trend

+0.3°C
By 2040
Historical (NASA)Projected (CMIP6)
1995← Historical | Projected →2040

1995 Avg

26.5°

2024 Avg

27.6°

2040 Proj

27.9°

Historical Rate

+0.40°C

per decade (observed)

Projected Rate

+0.21°C

per decade (CMIP6)

🌡️ Cairns has warmed by +1.2°C since 1995. By 2040, an additional +0.3°C is projected (based on CMIP6 rate of 0.214°C/decade), for a total of +1.5°C from 1995 baseline.

NASA POWER (1995-2024) + CMIP6 (CMCC_CM2_VHR4, EC_Earth3P_HR, FGOALS_f3_H, HiRAM_SIT_HR, MRI_AGCM3_2_S, NICAM16_8S)

Travel Intelligence

Exclusive flight analytics & health data for Cairns

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Low Traffic
32/ 100
Traffic Index

Quieter airport

Peak Daily Arrivals

0

slots per day

Peak

Jul

Low

Nov

Monthly Traffic Distribution

63
Jan
53
Feb
54
Mar
74
Apr
73
May
58
Jun
80
Jul
70
Aug
78
Sep
68
Oct
44
Nov
76
Dec
Traffic Level
Low Season

Key Connections

Brisbane City Brisbane (BNE)
Sydney Kingsford Smith (SYD)
Melbourne (MEL)
Townsville (TSV)
Horn Island (HID)

Health & Safety Advisory

CDC travel health recommendations

6 Recommendations
COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to Australia. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Australia.

Japanese Encephalitis

Japanese encephalitis is mainly a concern in the Murray River, and the Outer Torres Strait Islands area.Recommended for travelers whoAre moving to an area with Japanese encephalitis to liveSpend long periods of time, such as a month or more, in areas with Japanese encephalitisFrequently travel to areas with Japanese encephalitisConsider vaccination for travelersSpending less than a month in areas with Japanese encephalitis but will be doing activities that increase risk of infection, such as visiting rural areas, hiking or camping, or staying in places without air conditioning, screens, or bed netsGoing to areas with Japanese encephalitis who are uncertain of their activities or how long they will be thereNot recommended for travelers planning short-term travel to urban areas or traveling at times outside of the Japanese encephalitis season.

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

Rabies

Dogs infected with rabies are not commonly found in Australia.If rabies exposures occur while in Australia, rabies vaccines are typically available throughout most of the country.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

Yellow Fever

CDC recommendations:Vaccine isnotrecommended.Country entry requirements:Direct travel from United States: Vaccine isnotrequired.Travel from countries with risk for YF virus transmission: Vaccine isrequiredfor travelers ≥1 year old; this includes >12-hour airport transits or layovers in countries with risk for YF virus transmission.3Updated April 23, 2025See footnotes

Source: CDC Travelers' Health

View Complete Health Guide

Cairns Climate Data by Month

Historical temperature and precipitation averages

MonthAvg High C)Rain Probability (%)Status
January30°C55%🌧️ Rainy
February30°C58%🌧️ Rainy
March29°C49%🌧️ Rainy
April27°C31%😊 Pleasant
May26°C24%✨ Perfect
June24°C14%✨ Perfect
July24°C13%✨ Perfect
August24°C12%✨ Perfect
September26°C12%✨ Perfect
October27°C14%✨ Perfect
November29°C20%😊 Pleasant
December29°C34%😊 Pleasant

Weather in Cities Near Cairns

Explore climate data for popular destinations within easy reach

Compare weather conditions with nearby destinations for your trip planning

Compare Cairns Weather vs Popular Destinations

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Cairns:Avg 27°C28% rain

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Cairns Weather FAQ

When is the best time to visit Cairns?

Honestly, look for months with mild temperatures (20°C-25°C) and low rain chance. Based on historical data, April, May, June are usually great choices.

When is the hottest month in Cairns?

February is historically the hottest month in Cairns with average highs of 30°C.

When does it rain the most in Cairns?

February typically sees the highest probability of rain (58%).

Is Cairns expensive?

Prices vary by season. The "Perfect" weather months usually coincide with peak tourist season and higher prices, while the rainy or cold months offer better deals.