Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
Weather Guide
Ashmore and Cartier Islands, Australia Average Monthly Weather
Weather score75Very good annual avg
Best months: September, October, August
Across the year, average daytime temperatures are around 30°C, sunshine averages 0h per day, and rainfall totals about 1072mm. Sea temperatures average 29°C across the year.
Annual weather
Annual averages
Temp
30°C
Rain
1072mm
Annual total
Sun
0h
Sea
29°C
Weather score
75
Very good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 13mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 0h per day, so this is not one of the brighter months.
Swimmable
Sea temperatures average 27°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Ashmore and Cartier Islands, Australia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July29°C average high
July is on the cooler side of Ashmore and Cartier Islands' year, useful if you prefer less intense daytime heat.
Warmest monthsJanuary to May and October to December
This stretch sets the upper range for average daytime heat.
Rain
July13mm average rain
July is one of Ashmore and Cartier Islands' 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
July0 hours average sun
July is close to Ashmore and Cartier Islands' usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
Sea temperature
July27°C average sea
July is one of the cooler sea months locally, though the water still averages warm enough for most swimmers.
Warmest seaJanuary to April and November to December
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
July83 weather score
July scores above Ashmore and Cartier Islands' yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJuly to November
These months have the strongest weather score in the monthly averages.