Bird Island Nature Reserve
- Annual mean
- 16.7 °C
- Warmest month
- February
- Wettest month
- June
Long-term climate averages representing atmospheric conditions at a specific site elevation.
Review the comprehensive twelve-month climatology for Rocherpan Nature Reserve, based on NASA POWER measurements collected from 1991 to 2020. This profile details monthly patterns for mean, minimum, and maximum temperatures alongside precipitation rates, humidity, wind speed, and daylight hours at a single representative coordinate point. Data provided here focus strictly on long-term climate normals rather than real-time weather, seasonal forecasting, or visitor-specific planning guidance.
Long term monthly temperature ranges and average daily precipitation cycles
Examine long-term monthly temperature bounds, average daily precipitation, humidity, wind speed, and calculated daylight across the calendar year.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 20.3 °C14.9° to 29.3° | 0.2 mm/day | 71.6% | 5.8 m/s | 13.9 hours |
| February | 20.5 °C15.2° to 30.3° | 0.2 mm/day | 71.8% | 5.3 m/s | 13.2 hours |
| March | 19.5 °C14° to 29.6° | 0.3 mm/day | 72.7% | 4.8 m/s | 12.2 hours |
| April | 17.6 °C11.7° to 27.8° | 0.8 mm/day | 72.8% | 4.4 m/s | 11.2 hours |
| May | 15.7 °C10.3° to 25° | 1.2 mm/day | 76.4% | 4.1 m/s | 10.3 hours |
| June | 13.9 °C8.5° to 21.9° | 2.1 mm/day | 76.8% | 4.7 m/s | 9.9 hours |
| July | 13.3 °C7.6° to 21° | 1.8 mm/day | 77.5% | 4.7 m/s | 10.1 hours |
| August | 13.5 °C8.1° to 22.2° | 1.5 mm/day | 78.3% | 4.7 m/s | 10.8 hours |
| September | 14.8 °C9.2° to 24.9° | 0.8 mm/day | 76.6% | 4.8 m/s | 11.8 hours |
| October | 16.6 °C10.4° to 27.3° | 0.6 mm/day | 73.1% | 5.1 m/s | 12.9 hours |
| November | 17.9 °C12.2° to 27.9° | 0.6 mm/day | 71.5% | 5.6 m/s | 13.7 hours |
| December | 19.5 °C14° to 29.1° | 0.3 mm/day | 72% | 5.6 m/s | 14.1 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.
Comparative monthly averages for temperature, precipitation, humidity, wind, and daylight duration
Interactive climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Explore monthly temperature, precipitation, and wind patterns across diverse regional landscapes.





Examine the mapped boundaries and natural terrain of Rocherpan Nature Reserve to understand its place within the broader Western Cape coastal system. MoriAtlas provides a structured look at the lagoon cycles and diverse habitats that define this protected area, supporting a deeper grasp of its regional geographic significance.