Mackay has a warm subtropical climate with warm summers and mild winters.
Temperatures peak in January and drop to their lowest in July, while rainfall is highest during winter months.
Humidity remains high throughout the year, especially during winter months, creating warm and humid conditions.
| Month | 🌤️ | High | Low | Avg | Humid % | Rain (mm) | Wind (m/s) | Solar (kWh/m²) |
|---|---|---|---|---|---|---|---|---|
| January | 🌧️ | 30.2°C | 24.9°C | 27.6°C | 79% | 201 | 4.3 | 6.53 |
| February | 🌧️ | 29.9°C | 25.0°C | 27.5°C | 80% | 240 | 4.5 | 5.98 |
| March | 🌧️ | 29.2°C | 24.3°C | 26.8°C | 79% | 174 | 4.7 | 5.52 |
| April | ☔ | 27.7°C | 22.1°C | 24.9°C | 77% | 113 | 4.7 | 4.77 |
| May | 🌞 | 25.9°C | 18.7°C | 22.3°C | 75% | 78 | 4.5 | 4.04 |
| June | ☀️ | 24.3°C | 15.9°C | 20.1°C | 74% | 48 | 4.2 | 3.71 |
| July | ☀️ | 23.5°C | 14.9°C | 19.2°C | 73% | 36 | 3.9 | 4.06 |
| August | ☀️ | 24.1°C | 15.6°C | 19.9°C | 73% | 30 | 3.8 | 4.93 |
| September | 🌞 | 26.4°C | 18.4°C | 22.4°C | 73% | 19 | 3.8 | 5.98 |
| October | 🌞 | 27.8°C | 20.7°C | 24.3°C | 75% | 38 | 4.0 | 6.63 |
| November | ☔ | 29.4°C | 22.7°C | 26.0°C | 75% | 80 | 4.1 | 6.92 |
| December | ☔ | 30.1°C | 24.0°C | 27.1°C | 77% | 149 | 4.2 | 6.84 |
Showing average climate conditions across 45 years (1981–2025)
🧥 Light layers are sufficient — this Mild Winter stays cool without prolonged hard freezes.
🌤️ Early mornings and evenings are most comfortable during this Hot Summer season.
☔ Heavy Rainfall expected — carry rain gear and plan outdoor activities around these months.
Monthly averages · 1981–2025 climate normals · °C
Temperatures rise steadily from spring, peak in January, and gradually decline through autumn into winter.
These seasonal patterns offer comfortable conditions year-round, with warm summers and mild winters.
Monthly rainfall · 1981–2025 seasonal trends · mm/month
Rainfall is concentrated in the winter months. Humidity stays high (around 76%), peaking during winter months, which creates warm and humid conditions.
☔ Heavy Rainfall expected — carry rain gear and plan outdoor activities around these months.
Monthly averages · 1981–2025
Across 45 years of records, Mackay's temperature shows a slight warming trend over the past decade. Its hottest day reached 33.5°C in December 1995, and its coldest dropped to 11.9°C in July 1983. 2025 was the warmest year overall and 1989 the coolest.
The warmest year in Mackay's recorded history was 2025 (avg: 24.7°C), while the coldest was 1989 (avg: 23.1°C).
Average annual high/low · Last 30 years · °C
Total annual precipitation · Last 30 years · mm/year
| Year | Min Temp | Avg Temp | Max Temp | Rainfall (mm) | Avg Humidity | Avg Wind |
|---|---|---|---|---|---|---|
2025 | 21.2°C | 24.7°C | 28.2°C | 1114 | 77% | 4.1 m/s |
2024 | 21.4°C | 24.5°C | 27.7°C | 996 | 76% | 4.2 m/s |
2023 | 21.4°C | 24.6°C | 27.8°C | 934 | 76% | 4.2 m/s |
2022 | 20.6°C | 24.3°C | 28.0°C | 984 | 77% | 4.2 m/s |
2021 | 20.8°C | 24.3°C | 27.8°C | 1002 | 76% | 4.1 m/s |
2020 | 21.1°C | 24.4°C | 27.7°C | 806 | 75% | 4.2 m/s |
2019 | 20.5°C | 23.8°C | 27.1°C | 894 | 75% | 4.4 m/s |
2018 | 21.1°C | 24.6°C | 28.1°C | 844 | 75% | 4.3 m/s |
2017 | 21.1°C | 24.2°C | 27.4°C | 1237 | 76% | 4.1 m/s |
2016 | 21.2°C | 24.6°C | 28.0°C | 1109 | 76% | 4.1 m/s |
Showing 1 to 10 of 45 years
Based on 45 years of data (1981–2025), January is typically the hottest month in Mackay, Queensland, with average high temperatures around 30.2°C.
July is the coldest month in Mackay, with average low temperatures around 14.9°C.
February receives the most rainfall with approximately 240 mm, while September is the driest with 19 mm.
The highest recorded temperature was 33.5°C in December 1995. This is part of the historical record spanning 1981–2025.
The lowest recorded temperature was 11.9°C in July 1983.
This page covers 45 years of climate data from 1981 to 2025. As new data is added to the database the page automatically reflects the updated coverage.
Mackay receives the most sunlight in November with an average solar radiation of 6.92 kWh/m²/day. This solar radiation data, sourced from NASA POWER, is useful for solar energy planning and agriculture in Queensland.
All climate data is sourced from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite and model data. It provides monthly averages for temperature, precipitation, humidity, wind speed, and solar radiation.
All weather data is sourced from NASA POWER (Prediction of Worldwide Energy Resources), a NASA project providing solar and meteorological data for renewable energy, building efficiency, and agricultural research.
