July in Mackay averages a daily high of 23°C with nights around 11.6°C. Expect roughly 5 wet days totalling 37.2mm. 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. 26 years of July data.