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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Oz Reviewly 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 cool, wet winters. Average summer highs reach 29°C in January, while winter lows drop to 8°C in July. Rain is concentrated in winter, with May to August receiving the most rainfall.
What is the weather like in Adelaide each season?
Summer (December–February) is hot and dry, with occasional heatwaves pushing temperatures above 40°C. Autumn (March–May) brings mild days and cooling nights. Winter (June–August) is cool, cloudy and rainy, with average highs around 15°C. Spring (September–November) is mild and warming, with increasing sunshine.
When is the best time to visit Adelaide?
Autumn (March to May) and spring (September to November) offer the most comfortable weather. Daytime temperatures sit between 17°C and 25°C, with lower humidity and fewer extreme heat days. These seasons also align with Adelaide’s major festivals.
Does Adelaide get extreme heat?
Yes. Heatwaves are common in summer, with temperatures sometimes exceeding 40°C for several days. The city often issues severe weather warnings for extreme heat. Check the Severe Weather Warning page for updates.
How windy is Adelaide?
Adelaide is moderately windy year-round. Afternoon sea breezes are common in summer, often providing relief from the heat. Winter brings stronger north-westerly winds before cold fronts.
Does it snow in Adelaide?
Snow is extremely rare in the city. Light snowfalls occasionally occur on the nearby Mount Lofty Ranges during winter, but Adelaide itself sees only frost and cold rain.
For more Australian city forecasts, visit the Australia weather hub or compare conditions in Melbourne, Sydney, Brisbane or Perth.