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Mackay Weather in December
Thinking of visiting Mackay in December? Expect high temperatures reaching 29°C (84°F) during the day, dropping to 24°C (75°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Mackay in December
Based on our climate data of the past 30 years, about 9 days of rain are anticipated, with 124 mm (4.9 in) on average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Mackay in December
December in Mackay brings high temperatures, with highs of 29°C (84°F) and nights around 24°C (75°F). This kind of day-to-night contrast is typical for this time of year. At 24°C (75°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.For Mackay itself, May, June, July, August, September, October and November generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Mackay Temperature in December
Min Temperature
24°C (75°F)
Max Temperature
29°C (84°F)
Chance of Rain
29%
Precipitation
124 mm (4.9 in)
Rainy days
9 days
Mackay Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mackay - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Mackay typically stay consistent throughout December, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in December
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 December
Historical weather records for Mackay in December
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 December
Based on 49 years of weather observations in Mackay between 1976 and 2025, these are the recorded extremes.
- Mackay recorded its highest December temperature of 36°C (97°F) on December 26, 2005.
- The coldest December day was on December 17, 1989, with a maximum of 23°C (73°F).
- The coldest night in December in Mackay was on December 5, 1998, with a minimum of 18°C (64°F).
Best Places in Australia in December
Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in December →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Mackay in December
Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho.
What To Do in Mackay in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Mackay 3-Day Forecast
More climate data for Mackay
See the full Mackay climate overview or explore weather in Australia.
Popular in December
Where to go in December - average daytime high across popular destinations.
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