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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Australia Data Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Adelaide enjoys a Mediterranean climate with hot, dry summers and mild, wet winters. The live forecast above shows today’s conditions, but the city’s weather is generally reliable for planning outdoor activities, with most rain falling between May and August.
What makes Adelaide’s weather unique?
Adelaide sits on a coastal plain between the Mount Lofty Ranges and Gulf St Vincent, which moderates extremes. Summers are long and dry, often with temperatures above 30 °C, while winters bring cool, cloudy days and occasional rain. The region receives around 500 mm of rain annually, most of it in winter. Unlike Sydney or Brisbane, humidity is low, making summer heat more bearable.
When is the best time to visit?
For many, autumn (March–May) and spring (September–November) offer the most comfortable conditions – warm days, clear skies and fewer crowds. Summer can be very hot, but sea breezes from the gulf provide relief. Winter is ideal for exploring the Barossa Valley or enjoying Adelaide’s indoor cultural events.
Does Adelaide get very hot in summer?
Yes, summer maximums often exceed 35 °C, especially during heatwaves. However, low humidity and coastal breezes help, and most homes and public spaces have air conditioning.
Does it rain a lot in winter?
Winter is the wet season, but total rainfall is modest – around 200 mm over three months. You’ll get more drizzle and overcast days than heavy downpours.
Is Adelaide windy?
Adelaide can be breezy, particularly in the afternoon when sea breezes strengthen. Spring and early summer see the strongest gusts, but damaging winds are uncommon.
Sources
For broader conditions, check the Australia weather hub or see how Adelaide compares with Melbourne weather.