
Rotoroa Island
- Annual mean
- 15.6 °C
- Warmest month
- February
- Wettest month
- July
Detailed representative-point climatology covering temperature, precipitation, and wind speeds
Review twelve-month climate averages for Whakanewha Regional Park, derived from NASA POWER measurements between 1991 and 2020. Data includes mean, minimum, and maximum temperatures along with average daily precipitation, humidity levels, wind speed, and daylight hours. These figures provide a baseline for understanding the long-term annual atmospheric rhythm at a representative park location rather than reflecting current weather conditions.

Analyzing long-term average temperature ranges alongside monthly precipitation rates for targeted protected-area coordination
Track monthly temperature bounds, average daily precipitation, humidity, wind speed, and calculated daylight across the calendar year.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 19.7 °C13.3° to 25.9° | 1.8 mm/day | 73.7% | 5.5 m/s | 14.2 hours |
| February | 20.3 °C14.2° to 26.2° | 2.1 mm/day | 73.9% | 5.1 m/s | 13.4 hours |
| March | 18.9 °C12.9° to 24.8° | 2.2 mm/day | 75.1% | 5.3 m/s | 12.2 hours |
| April | 16.8 °C10.5° to 22.9° | 2.9 mm/day | 78.2% | 5.3 m/s | 11 hours |
| May | 14.6 °C8.3° to 20° | 3.3 mm/day | 81.3% | 5.8 m/s | 10 hours |
| June | 12.5 °C6.3° to 17.7° | 3.3 mm/day | 83.1% | 6.1 m/s | 9.5 hours |
| July | 11.4 °C5.2° to 16.2° | 3.7 mm/day | 84% | 6 m/s | 9.8 hours |
| August | 11.6 °C5.7° to 16.5° | 3.3 mm/day | 83% | 6 m/s | 10.6 hours |
| September | 12.8 °C6.8° to 18.1° | 2.8 mm/day | 81.3% | 6.1 m/s | 11.8 hours |
| October | 14.2 °C8.2° to 20° | 2.5 mm/day | 78.9% | 6.5 m/s | 13 hours |
| November | 15.9 °C10.2° to 22.2° | 1.9 mm/day | 75.8% | 6.3 m/s | 14 hours |
| December | 18.1 °C11.9° to 24.3° | 2.4 mm/day | 75.3% | 5.8 m/s | 14.5 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.
Analyze monthly climate variations and atmospheric patterns across regional protected landscapes








Delve into the geography of Whakanewha Regional Park to understand its ridgelines, stream catchments, and protected habitats. MoriAtlas provides a structured view of this Waiheke Island landscape, illustrating its role within the wider Auckland Region and its contribution to native forest and wetland conservation.