Home › Weather › Perth Cold Weather August 2025
Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Southern Monitor Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Plan for cold mornings and mild afternoons in Perth this August. The live forecast above shows clear skies and single-digit overnight lows, meaning you’ll need a warm coat before 9am and light layers later.
How cold does it get in Perth during August?
August is Perth’s coldest month, with average minimums around 8°C and maximums near 18°C. Frost can form in inland suburbs when skies stay clear overnight. The live forecast above reflects this typical pattern, so expect a crisp start to most days.
Does it rain much in August?
Perth’s winter rainfall peaks in June and July, then tapers through August. You’ll see about 10–12 wet days in the month, but showers are usually brief. The cold air often produces light drizzle rather than heavy downpours.
Is August the coldest month in Perth?
Yes. August has the lowest average minimum temperature of any month in Perth, although July and August share similar averages. The cold is mostly due to clear winter nights and dry southerly winds.
What should I wear for Perth’s August weather?
Start with a warm jacket or jumper for the morning chill; a long-sleeved shirt underneath works for later. Keep a light waterproof layer handy in case of passing showers. Scarves and beanies help on frosty mornings.
Does Perth ever get snow in August?
No. Perth’s winter cold is not severe enough for snow at sea level. Frost is common, and hail occasionally falls during showers, but snow only occurs on the highest peaks of the Stirling Ranges, well inland.
For more on Perth’s climate, see our Perth weather page. Check the Australia weather hub for conditions across the country.