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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 ·
Check the live forecast above before heading out in Brompton, as the weather here can shift quickly with sea breezes off Gulf St Vincent. You’ll want a light jacket handy most of the year, even in summer, thanks to that coastal influence.
What’s the best time to visit Brompton?
March through May and October through November offer the most comfortable conditions for exploring Brompton and nearby Adelaide. Summer (December–February) brings hot days, often above 30°C, but the sea breeze usually kicks in by afternoon. Winter (June–August) is cool and damp, with average highs around 15°C and regular rain—pack a raincoat and layers if you’re visiting then.
What should I pack for Brompton weather?
Layers are your friend here. In summer, bring light clothing, a hat, sunscreen, and a light jumper for cooler evenings. For winter, a warm jacket, waterproof shoes, and an umbrella are essential. Spring and autumn are changeable, so a mix of short sleeves and a mid-layer works well. If you’re travelling during school holidays, check the live forecast above for any heatwaves or cold snaps.
Does Brompton get much rain in summer?
Summer rainfall is low, with January averaging only about 20 mm. Most rain falls in winter, so you’re unlikely to have your outdoor plans washed out during the warmer months.
Is Brompton windy?
Yes, especially in spring and summer afternoons when a sea breeze from Gulf St Vincent picks up. It’s usually a pleasant cooling wind, but can be gusty—secure loose items if you’re outdoors.
When are the school holidays in South Australia?
School holidays fall in April, July, and late September/early October. July is the wettest and coolest period, while April and October offer milder weather—ideal for a winter escape or spring trip.
For more on South Australian conditions, see our Adelaide Weather page or the Australia weather hub.