Home › Weather › August Weather Perth
Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Aussie Report Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Perth in August averages a maximum of 18–19°C and a minimum of 8–9°C, with around 140–150 mm of rain across 13–15 wet days. That means a cool, damp winter month where sunny spells are brief but possible.
What is the typical temperature range in Perth during August?
Daytime highs hover around 18–19°C, while overnight lows drop to 8–9°C. Frost is rare in the city itself, though the outer suburbs can see a few cold mornings. Compared to Melbourne August weather, Perth is marginally milder but significantly wetter.
How much rain does Perth get in August?
August is Perth’s wettest month, with average rainfall of 140–150 mm. Rain falls on roughly half the days, often as steady drizzle or short downpours. The live forecast above will show whether this week aligns with that pattern or brings a drier spell.
Is August a good time to visit Perth?
Only if you don’t mind rain and cool temperatures. It’s the quiet season for tourism, so accommodation is cheaper. For warmer weather, consider Perth weather in spring or check Brisbane Weather for a drier winter escape. Further north, Adelaide August weather is similarly cool but less rainy.
What about nearby regions?
Weather in Perth in September warms up slightly as spring begins. Meanwhile, Darwin August weather is dry and sunny, while Broome August weather is warm and rain-free. For wine lovers, Margaret River weather August is cool and wet—perfect for cosy cellar-door visits.
Does it ever rain all day in Perth in August?
Not usually. Rain tends to come in fronts that pass through, so you’ll often get dry breaks. A typical wet day has 8–12 hours of rain, but the sun can appear between showers.
Can I swim at the beach in Perth during August?
Only if you’re hardy—the ocean sits around 19°C, and air temperatures are cool. Most locals stick to indoor pools. The beaches are better for walks than swimming this month.
Is August the windiest month in Perth?
No, that’s usually December to February. August has moderate westerly winds averaging 15–20 km/h, but not the strong sea breezes of summer. Gusts can pick up during cold fronts.