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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Aussie Wire 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 ·
As the live forecast above shows, Corny Point sits exposed on the Yorke Peninsula coast, where conditions shift with the sea. The best travel window is December through April, when daytime temperatures sit in the low-to-mid twenties and prevailing southerly winds are at their gentlest.
When is the best time to visit Corny Point?
Summer (December–March) offers the most reliable weather for beach days and fishing, with sea breezes keeping things comfortable. January and February are the warmest, though the coastal location prevents oppressive heat. Autumn (March–May) brings calm conditions and mild days, ideal for exploring without the holiday crowds. Winter is cooler and windier, with more rain, but still viable for storm-watching. Check corny point tides and corny point wind before heading out on the water, and compare conditions with nearby point turton weather reports. For broader conditions across the region, visit the Australia weather hub.
What should you pack for the season?
Pack layers regardless of timing. Summer needs light clothing, a windbreaker for afternoon sea breezes, and sun protection. Winter requires a warm jacket and rain gear. Evenings cool quickly near the water. For beachgoers, marion bay weather and adelaide weather can provide a useful broader picture. Before travelling in unsettled conditions, check our severe weather warning page.
What is the water temperature at Corny Point?
Sea surface temperatures peak at about 18–20°C in late summer (February–March) and drop to 12–14°C in winter. Shallower waters around Marion Bay can be slightly warmer in summer.
How does Corny Point weather compare to Adelaide weather?
Corny Point is typically a few degrees cooler than Adelaide in summer due to coastal exposure, and slightly milder in winter. The sea breeze arrives earlier and stronger here, so conditions feel fresher even on warmer days.
Is Corny Point very windy?
Yes, it can be. The point is exposed to prevailing southerly winds, especially from October through February. Afternoon sea breezes are standard. Always check the corny point weather 14 day forecast and corny point wind before planning outdoor activities.