Cool
Average highs are around 15°C, so pack for cooler days.
Weather Guide
Kangaroo Island, Australia Average Monthly Weather
Weather score48Mixed annual avg
Best months: January, February, March
Across the year, average daytime temperatures are around 19°C, sunshine averages 7.1h per day, and rainfall totals about 624mm. Sea temperatures average 17°C across the year.
Annual weather
Annual averages
Temp
19°C
Rain
624mm
Annual total
Sun
7.1h
Sea
17°C
Weather score
48
Mixed avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 92mm, so some wet days are possible.
Some sun
Sunshine averages 5.5h per day, enough for a balanced month.
Cool sea
Sea temperatures average 14°C, so the water can feel cool.
Map
Weather map
Compare Kangaroo Island, Australia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August15°C average high
August has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
Rain
August92mm average rain
August is wetter than Kangaroo Island's yearly average, so flexible plans matter more.
Driest monthsJanuary to April and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August5.5 hours average sun
August is below Kangaroo Island's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJanuary to February and December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August14°C average sea
August is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to March
Sea temperatures are usually near 20°C in this stretch, so swimming comfort is at its strongest.
Weather score
August30 weather score
August is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to March and December
These months have the strongest weather score in the monthly averages.
