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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Southern Focus Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above before heading out in Mount Hawthorn — Perth’s Mediterranean climate brings hot, dry summers and mild, wet winters, so your day’s plan depends heavily on the season.
What is the typical weather pattern for Mount Hawthorn?
Mount Hawthorn follows Perth’s classic Mediterranean rhythm: long, hot summers with minimal rain and cooler, damp winters.
- Summer (Dec–Feb) averages peak around 31°C, with frequent easterly morning breezes shifting to a sea breeze by afternoon.
- Winter (Jun–Aug) sees daytime highs near 18°C and most of the annual rainfall — about 85 mm per month, often from cold fronts.
- Spring and autumn are transitional; you’ll get warm, sunny days with crisp mornings and sporadic showers.
- The suburb sits about 5 km from the coast, so the ocean moderates extremes — less severe heat than inland areas, but still dry for months.
Does Mount Hawthorn get severe weather?
Severe events are rare but possible — mostly damaging winds from winter cold fronts or occasional summer thunderstorm squalls.
- Cold fronts bring strong westerly gusts that can knock down trees or cause localised power outages.
- Summer thunderstorms are infrequent but can produce heavy downpours and hail.
- Heatwaves are the main risk — several days above 40°C strain the grid and raise fire danger.
- Check the live forecast above and our Severe Weather Warning page if conditions look threatening.
When is the best time to visit Mount Hawthorn?
Late spring (Oct–Nov) and early autumn (Mar–Apr) offer warm, stable days around 24–28°C, low humidity, and minimal rain — ideal for outdoor plans without the peak-summer heat.
How does the sea breeze affect Mount Hawthorn?
The Fremantle Doctor, a south-westerly sea breeze, arrives most summer afternoons between 1–4 pm. It can drop temperatures by 5–10°C within minutes and brings welcome relief but also gusty conditions.
What should I wear for a Mount Hawthorn summer day?
Light, breathable fabrics — cotton or linen — plus a hat and sunglasses for morning sun. Keep a light jacket handy for the sudden afternoon sea breeze, which can feel cool after the midday heat.