August in Mackay averages a daily high of 24.2°C with nights around 12.2°C. Expect roughly 3.7 wet days totalling 28.8mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Mackay is June–September.
Based on MACKAY AERO, AS (2.4km), 1995–2024. 29 years of August data.