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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Coast Pulse 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 ·
Check the live forecast above for today’s exact conditions; Sydney in August sits in the heart of a cool, often dry winter, so pack layers and a jacket for crisp mornings and mild afternoons.
What is the typical weather in Sydney in August?
August is Sydney’s last full month of winter, dominated by clear skies and stable high-pressure systems, though cold fronts can bring rain and brisk south-westerly winds.
- Average daily maximum: about 17–18°C (sydney weather august celsius) – cool but not bitter.
- Average overnight low: around 8–9°C, with occasional single-digit frost in western suburbs.
- Rainfall: roughly 80 mm spread over 8–10 days; much drier than summer months.
- Daylight: sun rises around 6:40 am and sets by 5:20 pm, giving about 10.7 hours of light.
- Sea breeze can moderate coastal temperatures, but inland suburbs stay cooler.
How does Sydney compare to other Australian cities in August?
Sydney’s winter is milder than Melbourne’s but cooler than Brisbane’s. Meanwhile, tropical Cairns enjoys summer-like humidity and rain during August.
- Melbourne weather august – cooler max (13–15°C) and more frequent rain; lower sunshine hours.
- August weather Cairns – dry season, average max 26°C, low humidity, ideal for reef visits.
- Sydney sits between – not as cold as Melbourne, not as warm as Cairns. Good for outdoor exploring without heat.
- If you’re planning a trip across months, note that weather in Sydney in August and September shifts: September brings warming days and increasing spring winds.
Is August a good time to visit Sydney?
Yes – mild winter weather, lower tourist numbers, and cheaper accommodation. Pack warm layers and a rain jacket. Sea temperatures are cool (around 17°C) so swimming is possible, but a wetsuit helps.
Does it ever snow in Sydney in August?
No – snow in the city is extremely rare. The Blue Mountains (90 minutes west) occasionally see light snow when cold fronts collide with moisture, but Sydney itself stays above freezing.
What’s the conversion to Fahrenheit for August temperatures?
If you prefer sydney weather august fahrenheit: average max ≈ 63 °F, average min ≈ 47 °F. August feels like a crisp early-autumn day in the northern hemisphere.
Sources
For more detailed forecasts and seasonal guides, visit our Sydney weather page and compare with Melbourne weather for a broader picture of Australian winter.