If you're looking for summer vibes, the best time to travel to Mackay is in January, February and March, when the average temperature reaches 29.24 °C, while August, September and October are the 3 sunniest months of the year, with an average of 105.78 hours.
If you prefer colder temperatures, however, make sure you visit Mackay during the months of July, June and August to experience an average of 15.79 °C.
For those who don't care too much about temperatures, but want to avoid getting wet in the rain, it's important to avoid travelling during May, September and October, when the average precipitation in Mackay is 5.3 mm, while the months of January, February and March are drier, with an average of 0 mm.