Mild
Average highs are around 26°C, so days are mild rather than hot.
Weather Guide
Cairns, Australia Average Monthly Weather
Weather score69Good annual avg
Best months: October, September, November
Across the year, average daytime temperatures are around 28°C, sunshine averages 7.1h per day, and rainfall totals about 2192mm. Sea temperatures average 27°C across the year.
Annual weather
Annual averages
Temp
28°C
Rain
2192mm
Annual total
Sun
7.1h
Sea
27°C
Weather score
69
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 38mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.8h per day, enough for a balanced month.
Swimmable
Sea temperatures average 24°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Cairns, Australia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August26°C average high
August is on the cooler side of Cairns' year, useful if you prefer less intense daytime heat.
Warmest monthsJanuary to March and November to December
This stretch sets the upper range for average daytime heat.
Rain
August38mm average rain
August is one of Cairns' driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsMay to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August7.8 hours average sun
August is brighter than Cairns' yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsAugust to November
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August24°C average sea
August is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to March and December
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
August76 weather score
August scores above Cairns' yearly average, so the overall weather mix is stronger than most months.
Best weather monthsSeptember to November
These months have the strongest weather score in the monthly averages.
