Cygnet Estuary Conservation Park
- Annual mean
- 16.3 °C
- Warmest month
- February
- Wettest month
- June
Twelve-month climatology records based on a representative coordinate from 1991 to 2020
The climate profile for Busby Islet Conservation Park provides a structured overview of local atmospheric conditions derived from NASA POWER measurements. These records offer a consistent comparison of average monthly maximum and minimum temperatures, daily precipitation rates, relative humidity, wind speed, and daylight duration. The data reflects long-term climate trends at a single representative coordinate rather than real-time weather forecasts or current conditions.
Long term monthly temperature averages and daily precipitation rates across the twelve calendar months
Average temperature bounds, daily precipitation rates, wind speed, relative humidity, and calculated daylight across the calendar year
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 19.8 °C15.1° to 31.4° | 0.5 mm/day | 69.2% | 6.7 m/s | 14.1 hours |
| February | 20.1 °C15.5° to 30° | 0.6 mm/day | 70.5% | 6.6 m/s | 13.3 hours |
| March | 19.1 °C14.7° to 28° | 0.7 mm/day | 71.1% | 6.2 m/s | 12.2 hours |
| April | 17.5 °C13.6° to 24.4° | 1.1 mm/day | 72% | 5.7 m/s | 11.1 hours |
| May | 15.7 °C12.3° to 20.8° | 1.7 mm/day | 74.7% | 6.1 m/s | 10.1 hours |
| June | 13.9 °C11° to 17.5° | 2.5 mm/day | 76.4% | 6.7 m/s | 9.6 hours |
| July | 13 °C10.1° to 16.6° | 2.3 mm/day | 77% | 7.1 m/s | 9.9 hours |
| August | 12.9 °C9.8° to 17.7° | 2 mm/day | 76.1% | 7.2 m/s | 10.7 hours |
| September | 13.7 °C10.2° to 20.2° | 1.7 mm/day | 75.3% | 6.9 m/s | 11.8 hours |
| October | 15 °C10.8° to 23.5° | 1 mm/day | 72.7% | 6.6 m/s | 13 hours |
| November | 16.7 °C11.8° to 27.2° | 0.7 mm/day | 70.7% | 6.5 m/s | 13.9 hours |
| December | 18.3 °C13.5° to 28.7° | 0.6 mm/day | 69.6% | 6.6 m/s | 14.4 hours |
See two months side by side and how much they differ. Both use the same 1991–2020 climate normals and NASA POWER data point as the table above, so they show typical conditions, not a forecast.
Comparing long-term monthly averages for temperature, precipitation, wind, humidity, and daylight duration
Interactive climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Month-by-month atmospheric patterns across different protected landscapes and geographic settings




Investigate the unique protected terrain of Busby Islet Conservation Park, a significant island nature reserve in South Australia. Through the MoriAtlas database, understand the geographic importance of this seabird sanctuary and its placement within the regional coastal flyway of Nepean Bay.