Mackay Weather in May
May in Mackay averages 25°C (77°F) during the day and 20°C (68°F) at night. Quite a bit of rainfall is typical this month, with around 62 mm (2.4 in) on average. An umbrella is a good idea.
Rainfall in Mackay in May
Based on our climate data of the past 30 years, about 8 days of rain are anticipated, with 62 mm (2.4 in) on average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Mackay in May
If you're visiting Mackay in May, expect excellent temperatures with highs of 25°C (77°F) and overnight lows of 20°C (68°F). This kind of day-to-night contrast is typical for this time of year. At 20°C (68°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August, September, October and November typically offer the best weather for Mackay.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Mackay's climate page.
Mackay Temperature in May
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Mackay typically stay consistent throughout May, with daily highs averaging around 25°C (77°F). Nights are pleasant, with lows typically ranging from 16°C (61°F) to 20°C (68°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Mackay in May
Browse day-by-day weather records for Mackay spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mackay historical weather extremes in May
Based on 37 years of weather observations (1989-2026), these are the most extreme conditions recorded in Mackay.
- Mackay recorded its highest May temperature of 31°C (88°F) on May 27, 2016.
- The coldest May day was on May 23, 2020, with a maximum of 14°C (57°F).
- Nighttime temperatures dropped to 6°C (43°F) on May 29, 2000, marking the coldest May night on record.
Best Places in Australia in May
Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in May →
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What to Wear in Mackay in May
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days.What To Do in Mackay in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Mackay's climate page.
See the full Mackay climate overview or explore weather in Australia.