Cairns Climate by Month
The wet season usually begins to build up around December, giving humid days and possibly stormy nights. Most rainfall occurs during January, February and March, and is usually in the form of heavy tropical storms in the late afternoons.
Average day and night temperature
In Cairns temperatures are generally consistent throughout the year. On average, daytime temperatures range from a comfortable 29°C in February to a comfortable 23°C in July. Nighttime temperatures can drop, with averages reaching 18°C in July.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Cairns experiences significant rainfall throughout the year, averaging 1334 mm of precipitation annually. The seasons in Cairns, bring significant changes in precipitation. The wettest month, February, receives heavy rainfall, with an average of 292 mm of precipitation. This rainfall is distributed across 14 rainy days. In contrast, the driest month, September, experiences much less rainfall, totaling 23 mm over 4 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Cairns enjoys sunny spells year-round. October sees up to 9.1 hours of daily sunshine, perfect for a sunny trip. February, the least sunny month, still offers a generous 5.7 hours of sun despite this cloudier time of the year.Monthly hours of sunshine
Daily hours of sunshine
Average water temperature
The mean water temperature over the year in Cairns ranges from 22°C in June to 28°C in January.
Water temperature over the year
Average humidity
The relative humidity is low throughout the year in Cairns.
Relative humidity over the year
The best time of year to visit Cairns in Australia
During the months of May, June, July, August and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
Rainy season in Cairns occurs in the months of January, February, March and December.
February has an average maximum temperature of 29°C and is the warmest month of the year.
The coldest month is July with an average maximum temperature of 23°C.
February tops the wettest month list with 292 mm of rainfall.
September is the driest month with 23 mm of precipitation.
October is the sunniest month with an average of 272 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
