Cool
Average highs are around 18°C, so pack for cooler days.
August verdict
Perth, Western Australia, Australia in August
Weather score36Poor
Poor for holiday weather
Average highs are around 18°C, so pack for cooler days. Sunshine averages 6.4h per day, enough for a balanced month. Rainfall averages 118mm, so some wet days are possible.
August weather
Monthly averages
Temp
18°C
Rain
118mm
Sun
6.4h
Sea
19°C
Weather score
36
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 118mm, so some wet days are possible.
Some sun
Sunshine averages 6.4h per day, enough for a balanced month.
Cool sea
Sea temperatures average 19°C, so the water can feel cool.
Map
Weather map
Compare Perth, Western Australia, Australia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August18°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
August118mm average rain
August is wetter than Perth'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
August6.4 hours average sun
August is below Perth'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
August19°C average sea
August is below Perth's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJanuary to May
Sea temperatures are usually near 22°C in this stretch, so swimming comfort is at its strongest.
Weather score
August36 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.
