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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Australia Watch Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Hallett Cove, a coastal suburb south of Adelaide, experiences a Mediterranean climate with mild, wet winters and warm, dry summers. The live forecast above shows today’s conditions, but the key takeaway is that sea breezes often moderate afternoon temperatures, making it cooler than inland suburbs.
What is the typical weather pattern for Hallett Cove?
Hallett Cove’s weather is shaped by its position on Gulf St Vincent. Summer (December–February) brings average maximums around 26–28°C, though sea breezes can drop coastal readings 2–4°C below those in Adelaide’s city centre. Winter (June–August) is cool and damp, with average highs of 14–16°C and most rain falling from May to August. The area receives roughly 450–500 mm of rain annually, with July typically the wettest month. For a broader picture of conditions across the state, see our Adelaide weather page.
How reliable are long-range forecasts for Hallett Cove?
Forecasts beyond seven days, such as a hallett cove weather 14 day forecast, carry lower confidence due to the influence of moving high‑pressure systems and cold fronts. Short‑term outlooks – the weather in hallett cove 10 days or hallett cove weather hourly – are more dependable, especially when sourced from the Bureau of Meteorology. Services like weatherzone hallett cove and elders weather hallett cove also provide useful trend data, but always cross‑check with the live forecast above for the latest updates.
What is the best time to visit Hallett Cove?
Late spring (November) and early autumn (March) offer the most comfortable conditions – warm days around 22–25°C, low humidity, and fewer rain days. Summer can be pleasant if you enjoy the sea breeze, but be prepared for occasional heatwaves.
Does Hallett Cove get extreme heat?
Yes, but less frequently than inland areas. When a northerly wind persists, temperatures can exceed 38°C for a day or two. The sea breeze usually returns by late afternoon, providing rapid relief. Check the severe weather warning page during heat events.
How accurate is the 14‑day forecast for Hallett Cove?
Accuracy declines sharply after day 7. The hallett cove weather 14 day forecast gives a general trend (e.g., warmer or cooler than average) but should not be relied on for specific daily plans. For reliable short‑term details, use the live forecast above or bom weather hallett cove.