Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
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 23mm, which is relatively low for holiday planning.
Bright
Sunshine averages 9.5h per day, so bright days are a strong part of the month.
Swimmable
Sea temperatures average 25°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
October29°C average high
October is close to Great Barrier Reef's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJanuary to March and November to December
This stretch sets the upper range for average daytime heat.
Rain
October23mm average rain
October 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
October9.5 hours average sun
October is one of Great Barrier Reef's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsSeptember to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
October25°C average sea
October is close to Great Barrier Reef's yearly sea-temperature average, so swimming comfort is fairly typical.
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
October87 weather score
October is one of Great Barrier Reef's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsApril and September to November
These months have the strongest weather score in the monthly averages.