June in Mandurah averages a daily high of 18.6°C with nights around 11.6°C. Expect roughly 13.8 wet days totalling 117.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Mandurah is October–April.
Based on MANDURAH, AS (1.1km), 1995–2024. 23 years of June data.