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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Australia 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 ·
Mount Helena is currently experiencing conditions as shown in the live forecast above. Nestled in the Darling Scarp east of Perth, this suburb typically enjoys a Mediterranean climate with warm, dry summers and cool, wet winters, making today a typical example of its variable weather.
What is the typical weather pattern for Mount Helena?
Mount Helena’s weather is heavily influenced by its elevation in the Perth Hills. Summers are generally warm, with January and February seeing average maxima around 30°C, but cooling sea breezes often arrive in the afternoon. Winters are cooler and wetter, with July temperatures usually ranging from lows near 8°C to highs around 16°C. The area receives more rainfall than coastal Perth, thanks to orographic lift over the escarpment. For broader context, you can check the weather Perth page for regional trends.
How does the local forecast compare to nearby areas?
Because of its higher elevation, Mount Helena is often a few degrees cooler than the Perth metropolitan area, especially overnight. Nearby Mundaring weather is very similar, and if you are looking for a longer view, the Mundaring weather 14 day forecast is a solid guide for the hills. For a shorter outlook, the weather in Mundaring 10 days provides a handy snapshot for planning your week.
Does Mount Helena get frost in winter?
Yes, frost is common on clear winter mornings, especially in low-lying pockets. Temperatures can dip below 2°C, so gardeners should protect sensitive plants through July and August.
Is Mount Helena’s weather similar to Mundaring?
Very much so. Both suburbs share the same hills microclimate, but Mundaring is slightly higher. For the most accurate planning, always check the specific Mundaring weather report rather than relying on the Perth forecast.
When is the best time to visit Mount Helena?
Spring (September to November) is ideal, with mild temperatures, blooming wildflowers, and lower fire danger. Autumn (March to May) is also pleasant, offering calm conditions and clear skies before the winter rains arrive.