The temperatures in Perth in August are usually low and can range between 11°C and 18°C.
You can expect about 3 to 8 days of rain in Perth during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Perth in August 2025.
If you’re planning to visit Perth in the near future, we highly recommend that you review the 14 day weather forecast for Perth before you arrive.
Temperatures
18° / 11°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
138
mm
Sun Hours
10.3
Hrs
