Mild
Average highs are around 24°C, so days are mild rather than hot.
Weather Guide
Great Barrier Reef, Australia Average Monthly Weather
Weather score73Very good annual avg
Best months: October, September, November
Across the year, average daytime temperatures are around 29°C, sunshine averages 8.1h per day, and rainfall totals about 1056mm. Sea temperatures average 26°C across the year.
Annual weather
Annual averages
Temp
29°C
Rain
1056mm
Annual total
Sun
8.1h
Sea
26°C
Weather score
73
Very good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 28mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.7h per day, enough for a balanced month.
Swimmable
Sea temperatures average 23°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Great Barrier Reef, Australia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July24°C average high
July is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.
Warmest monthsJanuary to March and November to December
This stretch sets the upper range for average daytime heat.
Rain
July28mm average rain
July is one of Great Barrier Reef's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsApril to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
July7.7 hours average sun
July is below Great Barrier Reef's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsSeptember to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
July23°C average sea
July 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 28°C in this stretch, so swimming comfort is at its strongest.
Weather score
July68 weather score
July scores below Great Barrier Reef's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsApril and September to November
These months have the strongest weather score in the monthly averages.