Coolum Beach 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 moderate throughout the year, especially during winter months, creating warm and humid conditions.
| Month | 🌤️ | Avg High | Avg Temp | Avg Low | Record High | Record Low | Humid % | Rain (mm) | Wind (m/s) | Solar (kWh/m²) |
|---|---|---|---|---|---|---|---|---|---|---|
| January | ☔ | 27.3°C | 25.2°C | 23.0°C | 34.6°C | 19.6°C | 76% | 146 | 3.3 | 6.82 |
| February | 🌧️ | 27.0°C | 25.1°C | 23.2°C | 33.9°C | 18.7°C | 77% | 195 | 3.5 | 6.17 |
| March | 🌧️ | 26.1°C | 24.2°C | 22.4°C | 32.2°C | 17.6°C | 77% | 170 | 3.4 | 5.33 |
| April | ☔ | 24.4°C | 22.4°C | 20.5°C | 30.4°C | 12.9°C | 75% | 132 | 3.3 | 4.43 |
| May | ☔ | 22.2°C | 20.2°C | 18.2°C | 27.3°C | 9.8°C | 74% | 127 | 3.2 | 3.53 |
| June | ☔ | 20.1°C | 17.9°C | 15.7°C | 25.7°C | 8.2°C | 73% | 92 | 3.2 | 3.16 |
| July | ☀️ | 19.6°C | 17.1°C | 14.7°C | 25.1°C | 8.6°C | 71% | 65 | 3.1 | 3.50 |
| August | ☀️ | 20.5°C | 17.8°C | 15.1°C | 28.5°C | 8.9°C | 69% | 58 | 3.0 | 4.43 |
| September | ☀️ | 22.6°C | 19.7°C | 16.8°C | 30.2°C | 9.7°C | 69% | 46 | 3.1 | 5.51 |
| October | ☔ | 24.2°C | 21.5°C | 18.7°C | 32.6°C | 12.3°C | 72% | 84 | 3.2 | 6.23 |
| November | ☔ | 25.5°C | 22.9°C | 20.4°C | 33.2°C | 14.8°C | 73% | 100 | 3.2 | 6.83 |
| December | ☔ | 26.7°C | 24.3°C | 21.9°C | 34.4°C | 17.2°C | 75% | 145 | 3.2 | 6.96 |
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 moderate (around 73%), 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, Coolum Beach's temperature shows a slight warming trend over the past decade. Its hottest day reached 34.6°C in January 2002, and its coldest dropped to 8.2°C in June 1990. 2024 was the warmest year overall and 1989 the coolest.
The warmest year in Coolum Beach's recorded history was 2024 (avg: 22.6°C), while the coldest was 1989 (avg: 20.6°C).
Average annual high/low · Last 30 years · °C
Total annual precipitation · Last 30 years · mm/year
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall (mm) | Avg Humidity | Avg Wind |
|---|---|---|---|---|---|---|---|---|
2025 | 24.5°C | 22.2°C | 19.9°C | 32.2°C | 10.9°C | 1234 | 75% | 3.2 m/s |
2024 | 24.8°C | 22.6°C | 20.3°C | 32.3°C | 11.0°C | 1279 | 75% | 3.2 m/s |
2023 🔥 | 25.0°C | 22.5°C | 19.9°C | 32.0°C | 12.1°C | 685 | 70% | 3.1 m/s |
2022 | 23.3°C | 21.2°C | 19.1°C | 31.7°C | 9.5°C | 1464 | 76% | 3.3 m/s |
2021 | 24.1°C | 21.7°C | 19.3°C | 32.6°C | 10.2°C | 1002 | 73% | 3.1 m/s |
2020 | 24.4°C | 22.1°C | 19.8°C | 31.3°C | 11.0°C | 1074 | 73% | 3.1 m/s |
2019 | 24.8°C | 22.2°C | 19.7°C | 33.4°C | 10.6°C | 671 | 70% | 3.1 m/s |
2018 | 24.2°C | 21.9°C | 19.5°C | 32.4°C | 10.9°C | 1139 | 73% | 3.2 m/s |
2017 | 24.8°C | 22.3°C | 19.9°C | 33.4°C | 12.2°C | 1046 | 73% | 3.1 m/s |
2016 | 24.7°C | 22.2°C | 19.7°C | 30.6°C | 10.0°C | 908 | 72% | 3.1 m/s |
Showing 1 to 10 of 45 years
Based on 45 years of data (1981–2025), January is typically the hottest month in Coolum Beach, Queensland, with average high temperatures around 27.3°C.
July is the coldest month in Coolum Beach, with average low temperatures around 14.7°C.
February receives the most rainfall with approximately 195 mm, while September is the driest with 46 mm.
The highest recorded temperature was 34.6°C in January 2002. This is part of the historical record spanning 1981–2025.
The lowest recorded temperature was 8.2°C in June 1990.
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.
Coolum Beach receives the most sunlight in December with an average solar radiation of 6.96 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.
