March in Brisbane averages a daily high of 29.2°C with nights around 20.3°C. Expect roughly 12.3 wet days totalling 132.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Brisbane is May–September.
Based on BRISBANE, AS (1.8km), 1995–2024. 25 years of March data.