
Cabbage Tree Island (John Gould Nature Reserve)
- Annual mean
- 19.5 °C
- Warmest month
- January
- Wettest month
- February
Twelve month analysis of representative climatology metrics for this New South Wales nature reserve
The climate profile for Boondelbah Island provides a comprehensive twelve month look at atmospheric variables derived from NASA POWER measurements between 1991 and 2020. This data details average temperature, minimum and maximum ranges, daily precipitation rates, relative humidity, wind speed, and daylight hours at a single representative coordinate within the reserve. These figures offer an evergreen perspective on the annual cycle of local conditions without forecasting or reflecting short term weather fluctuations.

Long term monthly temperature ranges and average daily precipitation rates across twelve months
Analyze average temperature bounds, precipitation rates, humidity, wind speed, and daylight hours across the calendar year.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 23.7 °C19.4° to 31.7° | 3.5 mm/day | 74.1% | 6.1 m/s | 13.9 hours |
| February | 23.7 °C19.5° to 30.6° | 4.7 mm/day | 74.7% | 6 m/s | 13.2 hours |
| March | 22.6 °C18° to 29.4° | 4.5 mm/day | 74.6% | 5.6 m/s | 12.2 hours |
| April | 20.6 °C15.3° to 26.6° | 3 mm/day | 72.7% | 5.2 m/s | 11.2 hours |
| May | 18 °C12° to 23.9° | 3.1 mm/day | 72.9% | 5.5 m/s | 10.3 hours |
| June | 15.8 °C9.7° to 21° | 3.3 mm/day | 75.3% | 6 m/s | 9.9 hours |
| July | 14.7 °C9.1° to 20.6° | 2.2 mm/day | 73.9% | 6 m/s | 10.1 hours |
| August | 15.3 °C9.3° to 22.2° | 1.8 mm/day | 71.1% | 5.9 m/s | 10.8 hours |
| September | 17.2 °C11.3° to 25.8° | 1.8 mm/day | 71.1% | 5.8 m/s | 11.8 hours |
| October | 19 °C13.3° to 27.8° | 2.4 mm/day | 71.8% | 5.8 m/s | 12.9 hours |
| November | 20.6 °C15.4° to 29.5° | 3.6 mm/day | 73.4% | 6 m/s | 13.7 hours |
| December | 22.3 °C17.1° to 30.7° | 3.2 mm/day | 73.6% | 6.1 m/s | 14.1 hours |
Comparative overview of temperature, precipitation, wind, humidity, and daylight normals
Interactive climate map
Visit the MoriAtlas climate map to compare long-term monthly temperature and precipitation metrics across national parks. This visual interface helps you understand seasonal variations at specific protected area coordinates to deepen your knowledge of global park geography and environmental characteristics.
Explore long-term monthly climate records across diverse protected landscapes and geographic settings.


Deepen your understanding of Boondelbah Island through this MoriAtlas entry, which details its specific role as a protected nature reserve off the New South Wales coast. Gain insight into its rugged cliff-bound terrain and its significant status as a managed habitat within the broader regional geography of Australian coastal protected lands.