Climate averages 1991–2020
Manukau City weather
in August.
A cool, wet month: the 11th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a cool month in Manukau City: daytime highs average 13.8°C and nights cool to about 8.5°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 97 mm of rain on roughly 14 days, which makes August a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 43 min on an average August day.
The nearest other city in this atlas is Auckland (19 km away). In August its highs average 13.8°C, about as warm as Manukau City, with 104 mm of rain.
Among the 11 cities listed in New Zealand, Manukau City ranks joint 1st of 11 for the warmest August highs and 7th of 11 for the driest August (rainfall, lowest first). The mean August high of those 11 cities is 12.4°C; Manukau City is 1.4°C warmer than that mean.
From August to September, average highs rise by 1.2°C to 15.0°C, and monthly rainfall falls from 97 mm to 86 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Manukau City climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 22.2°C16.0°C | 16.0°C | 65 | 8.4 | 14.414 h |
| February | 22.8°C16.7°C | 16.7°C | 64 | 8.1 | 13.513 h |
| March | 21.2°C15.3°C | 15.3°C | 67 | 7.7 | 12.312 h |
| April | 18.9°C13.4°C | 13.4°C | 78 | 9.2 | 11.211 h |
| May | 16.4°C11.5°C | 11.5°C | 92 | 10.5 | 10.210 h |
| June | 14.3°C9.6°C | 9.6°C | 100 | 11.2 | 9.710 h |
| July | 13.5°C8.4°C | 8.4°C | 112 | 12.9 | 9.910 h |
| August, selected | 13.8°C8.5°C | 8.5°C | 97 | 13.7 | 10.711 h |
| September | 15.0°C9.5°C | 9.5°C | 86 | 12.9 | 11.812 h |
| October | 16.4°C10.9°C | 10.9°C | 76 | 11.4 | 13.013 h |
| November | 18.1°C12.4°C | 12.4°C | 71 | 10.2 | 14.114 h |
| December | 20.3°C14.6°C | 14.6°C | 87 | 10.9 | 14.615 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Auckland in AugustNew Zealand · 19 kmHigh 13.8°C · Low 9.1°C · 104 mm rain
- Hamilton, New Zealand in AugustNew Zealand · 95 kmHigh 13.5°C · Low 5.7°C · 122 mm rain
- Tauranga in AugustNew Zealand · 137 kmHigh 13.4°C · Low 7.7°C · 117 mm rain
- New Plymouth in AugustNew Zealand · 241 kmHigh 12.4°C · Low 7.3°C · 177 mm rain
- Hastings, New Zealand in AugustNew Zealand · 341 kmHigh 13.0°C · Low 5.5°C · 65 mm rain
- Palmerston North in AugustNew Zealand · 379 kmHigh 12.1°C · Low 5.2°C · 89 mm rain
- Lower Hutt in AugustNew Zealand · 470 kmHigh 11.8°C · Low 7.7°C · 80 mm rain
- Wellington in AugustNew Zealand · 478 kmHigh 11.3°C · Low 8.6°C · 82 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Manukau City) is explained once on the Manukau City year overview and on the Sources, method and limits page.