Sun, sea & sand

Mackay weather in May

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

75

Holiday weather in May

Good

Best time to visit: April, September – December

What is the weather like in Mackay in May?

In May, Mackay is warm: daytime highs average 24 °C, and nights cool down to about 19 °C. The sea averages 24.3 °C – pleasant for swimming. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 56 mm in total. All in all, May is a good month for a holiday in Mackay.

May compared

How the weather changes from April to June. Tap a month to open it.

AprilAprMayMayJuneJun
Score777560
Day26°24°22°
Night22°19°17°
Sea26°24°22°
Sun7 h6 h6 h
Rain days14108

More details for May

Daylight
11 h 7 min06:26 – 17:33
UV index
7 · highclear sky, noon (estimate)All months
Muggy days
10 daysdew point 18 °C or moreAll months
Wind
21 km/haverage daily peakAll months
Cloud cover
44 %on averageAll months
Hot days
0 days30 °C or moreAll months
Time zone
UTC+10Australia/Brisbane

How the score comes together

  • Temperatureweight 35 %80 %
  • Seaweight 25 %100 %
  • Sunshineweight 20 %55 %
  • Few rainy daysweight 20 %56 %

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

What to pack in May

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Rain jacket or umbrella

Mackay in May: quick answers

Is Mackay hot in May?

Warm rather than hot: in May, daytime highs in Mackay average 24 °C and nights cool to about 19 °C.

Can you swim in Mackay in May?

Yes. In May the sea averages 24.3 °C – pleasant for swimming.

Does it rain much in Mackay in May?

Rain is frequent, with about 10 rainy days and 56 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