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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Coast Pulse 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 best months to visit are March–May and September–November, when temperatures are comfortable and crowds thinner. Pack layers year-round, and remember sunscreen for summer.
When is the best time to visit Adelaide?
Autumn (March–May) offers warm days and cool evenings, ideal for wine tours in the Barossa. Spring (September–November) brings blooming gardens and lower accommodation rates before the summer peak. School holidays in January and April can push prices up, while winter (June–August) is a quiet, affordable escape for those who don’t mind rain.
What should I pack for Adelaide weather?
Summer (December–February) requires light clothing, a hat and sunscreen – temperatures often top 35°C. In winter, bring a waterproof jacket and layers; highs hover around 15°C. A light sweater is useful for autumn and spring evenings. Sturdy walking shoes are handy for the Adelaide Hills.
Does Adelaide get much rain?
Adelaide is Australia’s driest capital, averaging 530 mm per year. Most rain falls in winter (June–August), with summer often seeing long dry spells. Heavy downpours are rare but can occur during thunderstorms.
What is the hottest month in Adelaide?
February is typically the hottest, with average highs around 29°C. January is almost as warm. Heatwaves can push temperatures above 40°C, so check the forecast and stay hydrated.
Is Adelaide humid or dry?
Adelaide has low humidity year-round, especially in summer. The dry heat makes high temperatures feel more tolerable than in humid cities. Winters are mild and damp, but not sticky.
Sources
For more regional outlooks, see the Australia weather hub or compare with Melbourne weather. Stay informed with severe weather warnings during summer heatwaves or winter storms.