Mild
Average highs are around 26°C, so days are mild rather than hot.
May verdict
Heron Island, Australia in May
Weather score67Good
Good for holiday weather
Average highs are around 26°C, so days are mild rather than hot. Sunshine averages 6.8h per day, enough for a balanced month. Rainfall averages 81mm, so some wet days are possible.
May weather
Monthly averages
Temp
26°C
Rain
81mm
Sun
6.8h
Sea
24°C
Weather score
67
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 81mm, so some wet days are possible.
Some sun
Sunshine averages 6.8h 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 Heron Island, Australia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May26°C average high
May is on the cooler side of Heron Island'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
May81mm average rain
May sits on the drier side of Heron Island'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 Heron Island's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsAugust to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May24°C average sea
May is close to Heron Island's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJanuary to April and December
Sea temperatures are usually near 27°C in this stretch, so swimming comfort is at its strongest.
Weather score
May67 weather score
May sits close to Heron Island's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsMarch to April and September to December
These months have the strongest weather score in the monthly averages.