April in Sydney averages a daily high of 23.7°C with nights around 15.4°C. Expect roughly 9.8 wet days totalling 119.1mm. 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. 26 years of April data.