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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Aussie Wire Hub Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Adelaide enjoys a classic Mediterranean climate with hot, dry summers and cool, wet winters. Based on the live forecast above, conditions are typical for this time of year. The best months for travel are March to May and October to November, offering mild temperatures and lower chance of extreme heat.
When should I visit Adelaide for the best weather?
Autumn (March–May) and spring (October–November) are ideal. Daytime highs sit around 20–26°C, crowds are thinner than summer, and accommodation rates are more reasonable. Summer (December–February) can bring heatwaves over 40°C, making outdoor sightseeing uncomfortable unless you stay near the coast. Winter (June–August) is cooler and wetter but still pleasant for winery tours and indoor attractions.
What should I pack for an Adelaide trip?
Pack layers. Even in summer, evenings can cool down, so a light jacket or cardigan is handy. In winter, bring a waterproof jacket and closed shoes. Sun protection (hat, sunscreen, sunglasses) is essential year-round. Comfortable walking shoes are a must for exploring the city centre and hills.
Does Adelaide get humid in summer?
No – summer heat is dry, unlike Brisbane or Sydney. This makes high temperatures more bearable, but you still need to stay hydrated and seek shade during heatwaves.
Can I swim at Adelaide beaches in winter?
Swimming is possible but water temperatures drop to around 13–15°C in July. Most locals prefer summer for beach days. If you do swim in winter, choose a sunny afternoon and wear a wetsuit.
When are South Australian school holidays?
Typically: April (2 weeks), July (2 weeks), October (2 weeks), and December–January (6 weeks). Expect higher prices and more crowds at family-friendly attractions during these periods.
For more Australian destinations, see our Australia weather hub. If you’re planning a trip across the country, check Melbourne weather and Sydney weather. During heatwaves, stay informed with severe weather warnings.