March in Perth averages a daily high of 29.6°C with nights around 16.9°C. Expect roughly 3.7 wet days totalling 21.1mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Perth is October–December.
Based on PERTH METRO, AS (3.8km), 1995–2024. 30 years of March data.