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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.
Live data from Open-Meteo · updates automatically ·
Mount Richon’s weather usually tracks the Darling Scarp pattern — slightly cooler and breezier than the Swan Coastal Plain below, with a live forecast above showing today’s conditions.
What is the typical climate for Mount Richon?
The suburb sits on the escarpment above Armadale, which gives it a mild mediterranean climate — warm, dry summers and cool, wet winters. The elevation (around 260 metres) means afternoon sea breezes often arrive a little earlier and stronger than in Perth city.
- Summer (Dec–Feb): average maxima around 30–32°C, with occasional hot days in the mid-30s. Overnight lows 16–18°C.
- Winter (Jun–Aug): daytime highs 15–17°C, overnight lows 6–9°C. Frost is rare but possible on clear, calm mornings.
- Rainfall: most rain falls May–September, averaging about 850–900 mm annually — noticeably wetter than Perth Airport.
- Thunderstorms: most common in spring and autumn, often developing over the scarp.
How does the escarpment affect daily weather?
The scarp can sharpen weather contrasts. On summer mornings, fog or low cloud often clings to the hills before clearing by late morning. During heatwaves, Mount Richon is usually a couple of degrees cooler than the city — a small relief.
- Sea breezes: stronger on the scarp face, gusting 30–40 km/h on summer afternoons.
- Winter fronts: rain can be heavier and more persistent than on the plain.
- Fire danger: hot, dry northerly winds pose a greater risk on the scarp; check live warnings.
Is Mount Richon windier than Perth?
Generally yes. The escarpment funnels and amplifies the afternoon sea breeze, so wind speeds are often 5–10 km/h stronger than in central Perth, especially from November to March.
Does it snow in Mount Richon?
No. Snow is extremely rare in the Perth hills; the elevation is not high enough. Slight hail can occur with strong thunderstorms, but it melts quickly.
When is the best time to visit Mount Richon?
Late spring (October–November) and early autumn (March–April) offer the most comfortable conditions — mild days, lower fire risk, and less rain than winter. Summer can be pleasant if you avoid heatwave days.
Explore more on Perth Weather, Australia Weather Hub, or check current Severe Weather Warnings.