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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.
Adelaide enjoys a Mediterranean climate – warm, dry summers and mild, wet winters. The live forecast above shows the current conditions and the outlook for the coming days, offering a practical guide for planning outdoor activities or travel.
What makes Adelaide’s climate Mediterranean?
A Mediterranean climate means a distinct wet season in winter and a dry season in summer, driven by shifting pressure systems. For Adelaide, this translates to long, sunny summer days with occasional heatwaves moderated by sea breezes from Gulf St Vincent. Winters bring steady rain and cooler temperatures, but the city rarely sees frost. The practical takeaway: pack light clothing for summer and a jacket and umbrella for winter.
How does the weather change across the year?
Summer (December–February) sees average maximums around 29°C, with occasional spikes above 40°C. Autumn (March–May) is mild and transitionary, with decreasing rainfall. Winter (June–August) is the wettest season; maximums average about 15°C and overnight lows can dip to 8°C. Spring (September–November) warms up steadily and can be windy. For visitors, the most comfortable periods are autumn and spring, when temperatures are mild and rainfall is moderate. You can check the latest details on our Adelaide Weather page or browse the Australia Watch weather hub for other capitals.
Does Adelaide get hot in summer?
Yes, summer temperatures can exceed 40°C during heatwaves, but average maximums sit around 29°C. Humidity is low, so the heat feels dry. Sea breezes often provide afternoon relief near the coast. Always check the live forecast above for hot-day warnings.
When is the rainiest period in Adelaide?
Winter (June–August) is the wettest, with June typically being the rainiest month. Most rain falls as steady drizzle rather than heavy downpours, averaging about 80–90 mm per winter month. Summer rainfall is rare and usually comes from occasional thunderstorms.
Why is Adelaide’s weather considered mild?
Compared to many Australian capitals, Adelaide avoids extreme heat and cold. The marine influence from Gulf St Vincent moderates both summer highs and winter lows. The city averages around 2,600 hours of sunshine per year, making it one of Australia’s sunnier capitals without the humidity of the east coast.