August in Bunbury averages a daily high of 17.7°C with nights around 7.7°C. Expect roughly 15.9 wet days totalling 122.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Bunbury is October–April.
Based on BUNBURY, AS (3.3km), 1995–2024. 28 years of August data.