Sun, sea & sand

Mackay weather in August

Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.

67

Holiday weather in August

Good

Best time to visit: April, September – December

What is the weather like in Mackay in August?

In August, Mackay is warm: daytime highs average 22 °C, and nights cool down to about 16 °C. The sea averages 21.2 °C – refreshing for a swim. The sun shines for around 7 hours a day. Rain is rare: about 4 days bring 27 mm in total. All in all, August is a good month for a holiday in Mackay.

August compared

How the weather changes from July to September. Tap a month to open it.

JulyJulAugustAugSeptemberSep
Score576787
Day21°22°24°
Night16°16°19°
Sea21°21°23°
Sun6 h7 h8 h
Rain days544

More details for August

Daylight
11 h 22 min06:27 – 17:49
UV index
8 · very highclear sky, noon (estimate)All months
Muggy days
2 daysdew point 18 °C or moreAll months
Wind
18 km/haverage daily peakAll months
Cloud cover
32 %on averageAll months
Hot days
0 days30 °C or moreAll months
Time zone
UTC+10Australia/Brisbane

How the score comes together

  • Temperatureweight 35 %52 %
  • Seaweight 25 %60 %
  • Sunshineweight 20 %70 %
  • Few rainy daysweight 20 %100 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in August

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat

Mackay in August: quick answers

Is Mackay hot in August?

Warm rather than hot: in August, daytime highs in Mackay average 22 °C and nights cool to about 16 °C.

Can you swim in Mackay in August?

Yes. In August the sea averages 21.2 °C – refreshing for a swim.

Does it rain much in Mackay in August?

Rain is rare: about 4 days bring 27 mm in total.

Mackay month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences