Climate averages 1991–2020
Manukau City weather
in January.
A warm, moderately wet month: the 2nd warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a warm month in Manukau City: daytime highs average 22.2°C and nights cool to about 16.0°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 65 mm of rain on roughly 8 days, which makes January a moderately wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 23 min on an average January day.
The nearest other city in this atlas is Auckland (19 km away). In January its highs average 22.0°C, about as warm as Manukau City, with 68 mm of rain.
Among the 11 cities listed in New Zealand, Manukau City ranks 3rd of 11 for the warmest January highs and 5th of 11 for the driest January (rainfall, lowest first). The mean January high of those 11 cities is 20.8°C; Manukau City is 1.4°C warmer than that mean.
From January to February, average highs rise by 0.7°C to 22.8°C, and monthly rainfall falls from 65 mm to 64 mm.
The annual picture
January 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, selected | 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 | 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
January in nearby cities
- Auckland in JanuaryNew Zealand · 19 kmHigh 22.0°C · Low 16.4°C · 68 mm rain
- Hamilton, New Zealand in JanuaryNew Zealand · 95 kmHigh 22.5°C · Low 14.0°C · 70 mm rain
- Tauranga in JanuaryNew Zealand · 137 kmHigh 22.0°C · Low 15.5°C · 86 mm rain
- New Plymouth in JanuaryNew Zealand · 241 kmHigh 20.0°C · Low 14.2°C · 106 mm rain
- Hastings, New Zealand in JanuaryNew Zealand · 341 kmHigh 23.2°C · Low 14.6°C · 61 mm rain
- Palmerston North in JanuaryNew Zealand · 379 kmHigh 20.8°C · Low 13.1°C · 70 mm rain
- Lower Hutt in JanuaryNew Zealand · 470 kmHigh 19.5°C · Low 14.6°C · 58 mm rain
- Wellington in JanuaryNew Zealand · 478 kmHigh 17.8°C · Low 14.6°C · 55 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.