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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Aussie Pulse 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 for Karrinyup before heading out, as coastal conditions can shift quickly. This page explains what drives the suburb’s weather, so you can plan your day with confidence.
What makes Karrinyup’s weather different from inland Perth?
Karrinyup sits about 10 kilometres north-west of the Perth CBD, close to the coast. This means sea breezes often moderate summer heat, keeping afternoons cooler than suburbs further inland. In winter, the same coastal influence can bring slightly higher humidity and more cloud cover, though rainfall totals are similar to the broader Perth region.
When is the best time to visit Karrinyup for outdoor plans?
The most reliable weather for outdoor activities runs from November to April, when daytime temperatures typically sit between 25°C and 32°C. Summer afternoons can still be hot, but the sea breeze usually arrives by mid-afternoon. Winter days from June to August are mild, averaging 18°C, but bring the highest rainfall — expect wet weather fronts moving in from the west.
Does Karrinyup get thunderstorms often?
Thunderstorms are uncommon in Karrinyup, occurring roughly 5–10 times per year, mostly in spring and early summer. They are usually brief and associated with passing cold fronts.
How strong are the sea breezes in Karrinyup?
Afternoon sea breezes in summer typically reach 20–30 km/h, occasionally gusting stronger. They provide natural cooling but can affect outdoor setups like beach umbrellas or light furniture.
Is Karrinyup affected by Perth’s heatwaves?
Yes, but less severely than inland suburbs. During heatwaves, coastal suburbs like Karrinyup are usually 2–4°C cooler than Perth Airport, thanks to the moderating effect of the ocean.
For broader conditions across the state, visit our Australia weather hub or check the Perth Weather page for regional forecasts.