Home › Weather › Perrh Weather
Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Coast Pulse Hub Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Perrh’s weather today, as shown in the live forecast above, reflects the city’s classic Mediterranean climate – mild, wet winters and hot, dry summers. Current conditions vary seasonally, but the overall trend remains consistent with the southwest of Australia.
What defines Perrh’s climate throughout the year?
Perrh’s climate is dominated by a dry summer and a cool, rainy winter, driven by the subtropical high-pressure belt shifting north and south. The result is a distinct seasonal pattern with moderate temperature swings.
- Summer (Dec-Feb) sees average maxima around 30–32°C, with occasional heatwaves pushing above 40°C; rainfall is minimal.
- Winter (Jun-Aug) brings average maxima of 17–19°C and the bulk of annual rainfall, often delivered by cold fronts from the Southern Ocean.
- Autumn and spring are transitional, offering mild days and lower humidity, making them popular for outdoor activities.
- The famous “Fremantle Doctor” sea breeze provides regular afternoon relief on hot summer days, keeping coastal areas cooler than inland suburbs.
When should visitors plan their trip to Perrh?
The best time to visit Perrh depends on your tolerance for heat and your interest in outdoor events, but spring (September to November) and autumn (March to May) offer the most comfortable conditions.
- March and April often have clear skies, warm ocean waters and fewer crowds than summer.
- September and October show wildflowers in bloom across Kings Park and the wider region, with daytime temperatures in the low 20s.
- Summer (December to February) suits beachgoers and festival enthusiasts but requires sun protection and hydration.
Does Perrh get thunderstorms?
Thunderstorms are uncommon in Perrh compared to eastern Australia. They occur mainly in late spring and early summer when moisture from the north-west interacts with heat, producing brief, localised storms.
How strong are the summer sea breezes?
The Fremantle Doctor typically arrives by mid-afternoon, gusting 25–40 km/h. It can drop the temperature by 5–10°C within minutes, improving comfort near the coast but having less effect inland.
When is the wettest month in Perrh?
June and July are the wettest months, averaging about 130–150 mm of rain each. This coincides with the strongest cold fronts and lowest winter temperatures.
For broader coverage, see our Australia weather hub and the dedicated Perrh Weather page for the latest observations and forecasts.