Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Oz Insight Lab Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Based on the live forecast above, Adelaide’s weather today is mild and dry, with a top around 22–24°C and light north-easterly winds. For travellers, autumn and spring offer the most comfortable conditions, while summer days can push past 35°C, and winters are cool but rarely freezing.
What’s the best time to visit Adelaide for good weather?
Adelaide enjoys a Mediterranean climate, so the sweet spots are March–May and September–November. During these shoulder seasons, daytime highs sit in the low 20s, rainfall is modest, and you’ll avoid the peak summer heat or winter chill. December–February can be scorching, especially January, when the mercury regularly tops 30°C. June–August sees average highs of 15°C, with a few rainy days—pack a jacket and an umbrella.
What should I pack for an Adelaide trip?
For summer (Dec–Feb) bring light, breathable clothing, a hat, sunscreen, and a reusable water bottle; evenings can cool to 15°C so a thin jacket helps. In winter (Jun–Aug) a mid-weight coat, scarf, and closed shoes are fine. Layering is key in spring and autumn. If you’re checking the adl weather radar before heading out, note that showers often move in from the west during the cooler months, so keep a compact umbrella handy regardless of the season.
Does Adelaide get humid in summer?
Adelaide’s humidity is generally low compared to Sydney or Brisbane. Summer afternoons can feel dry, with relative humidity often below 40%, but occasional northerly winds from the outback can push it even lower. Sea breezes bring relief to coastal suburbs.
How reliable is Adelaide’s spring weather?
Spring (Sep–Nov) offers sunny, settled days with occasional showers, especially in September. By November the chance of rain drops and temperatures warm to the mid-20s. It’s a great window for wine tours in the Barossa or McLaren Vale.
When do school holidays affect Adelaide travel?
South Australian school holidays run for two weeks in early July (winter break) and late September/early October (spring). July is the coolest, wettest part of the year, but indoor attractions like the Adelaide Zoo or Art Gallery are popular. Book accommodation early for September–October.
For more Australian destinations, see our Australia weather hub or check conditions in Melbourne, Sydney, Perth, or Brisbane. Be aware of any severe weather warnings before travel.