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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Aussie Brief 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 you head out in Mount Claremont today. This coastal suburb in Perth’s western corridor has a mild Mediterranean climate, with sea breezes that can shift conditions quickly through the afternoon.
What is the typical weather pattern for Mount Claremont?
Mount Claremont gets hot, dry summers and cool, wet winters. Summer highs often reach the low 30s Celsius, with afternoon sea breezes from the Indian Ocean providing relief. Winter sees daytime temperatures around 17–19°C, with most of the annual 800 mm of rain falling between May and August. Frost is very rare, and thunderstorms occur a few times each year.
How does the location affect Mount Claremont’s weather?
Being about 3 kilometres inland from Cottesloe Beach, Mount Claremont catches the full effect of the Fremantle Doctor – the strong afternoon sea breeze that drops summer temperatures by 5–8°C. The suburb sits on a sand ridge, so drainage is good and flooding is rare. The nearby Swanbourne coastal strip can produce morning fog in autumn.
Does Mount Claremont get much wind?
Yes, especially in summer. The afternoon sea breeze often reaches 25–35 km/h, and can gust higher on hot days. Winter winds are lighter but can strengthen with cold fronts from the southwest.
What’s the best time to visit Mount Claremont for good weather?
March and April offer warm days around 25°C with low humidity and light winds. Autumn also brings clear skies and stable conditions, ideal for outdoor activities at nearby Bold Park or the beach.
Is Mount Claremont affected by Perth’s heatwaves?
Yes, during heatwaves the suburb can exceed 40°C for a day or two. The sea breeze usually moderates afternoon temperatures, but in extreme heat it may arrive late or not at all.
For broader conditions around the state, see the Australia weather hub or the Perth weather page. If a severe heatwave is forecast, check severe weather warnings.