Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
Weather Guide
Heron Island, Australia Average Monthly Weather
Weather score70Good annual avg
Best months: November, October, April
Across the year, average daytime temperatures are around 28°C, sunshine averages 8h per day, and rainfall totals about 1159mm. Sea temperatures average 25°C across the year.
Annual weather
Annual averages
Temp
28°C
Rain
1159mm
Annual total
Sun
8h
Sea
25°C
Weather score
70
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 65mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.9h per day, so bright days are a strong part of the month.
Swimmable
Sea temperatures average 23°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
October28°C average high
October is close to Heron Island'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
October65mm average rain
October 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
October8.9 hours average sun
October is one of Heron Island's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsAugust to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
October23°C average sea
October is below Heron Island's yearly sea-temperature average, so swimming can feel fresher.
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
October78 weather score
October is one of Heron Island's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsMarch to April and September to December
These months have the strongest weather score in the monthly averages.