March in Caloundra averages a daily high of 27.9°C with nights around 20.2°C. Expect roughly 15.1 wet days totalling 188.3mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Caloundra is June–November.
Based on MAROOCHYDORE AERO, AS (22.8km), 1995–2024. 29 years of March data.