Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
May verdict
Great Barrier Reef, Australia in May
Weather score74Very good
Very good for holiday weather
Average highs sit around 27°C, giving warm days by monthly-average standards. Sunshine averages 6.8h per day, enough for a balanced month. Rainfall averages 54mm, which is relatively low for holiday planning.
May weather
Monthly averages
Temp
27°C
Rain
54mm
Sun
6.8h
Sea
26°C
Weather score
74
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 54mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.8h per day, enough for a balanced month.
Swimmable
Sea temperatures average 26°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
May27°C average high
May is on the cooler side of Great Barrier Reef's 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
May54mm average rain
May sits on the drier side of Great Barrier Reef's year, which helps with sightseeing and transfers.
Driest monthsApril to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May6.8 hours average sun
May is one of Great Barrier Reef's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsSeptember to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May26°C average sea
May 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
May74 weather score
May sits close to Great Barrier Reef's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsApril and September to November
These months have the strongest weather score in the monthly averages.