October in Sydney averages a daily high of 23.4°C with nights around 14.7°C. Expect roughly 9 wet days totalling 70.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Sydney is July–February.
Based on SYDNEY OBSERVATORY HILL, AS (0.8km), 1995–2024. 24 years of October data.