Climate averages 1991–2020
Manukau City weather
in May.
A mild, wet month: the joint 7th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Manukau City: daytime highs average 16.4°C and nights cool to about 11.5°C. By daytime temperature it is the joint 7th warmest of the 12 months.
Expect about 92 mm of rain on roughly 11 days, which makes May a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 11 min on an average May day.
The nearest other city in this atlas is Auckland (19 km away). In May its highs average 16.5°C, about as warm as Manukau City, with 96 mm of rain.
Among the 11 cities listed in New Zealand, Manukau City ranks 2nd of 11 for the warmest May highs and 7th of 11 for the driest May (rainfall, lowest first). The mean May high of those 11 cities is 14.8°C; Manukau City is 1.7°C warmer than that mean.
From May to June, average highs fall by 2.1°C to 14.3°C, and monthly rainfall rises from 92 mm to 100 mm.
The annual picture
May 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, selected | 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 | 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
May in nearby cities
- Auckland in MayNew Zealand · 19 kmHigh 16.5°C · Low 12.1°C · 96 mm rain
- Hamilton, New Zealand in MayNew Zealand · 95 kmHigh 15.8°C · Low 8.2°C · 107 mm rain
- Tauranga in MayNew Zealand · 137 kmHigh 15.8°C · Low 10.6°C · 113 mm rain
- New Plymouth in MayNew Zealand · 241 kmHigh 14.7°C · Low 10.2°C · 183 mm rain
- Hastings, New Zealand in MayNew Zealand · 341 kmHigh 15.5°C · Low 8.3°C · 54 mm rain
- Palmerston North in MayNew Zealand · 379 kmHigh 14.4°C · Low 7.9°C · 79 mm rain
- Lower Hutt in MayNew Zealand · 470 kmHigh 14.3°C · Low 10.4°C · 70 mm rain
- Wellington in MayNew Zealand · 478 kmHigh 13.8°C · Low 11.1°C · 76 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.