Climate averages 1991–2020
Hamilton, New Zealand weather
in July.
A cool, wet month: the coolest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a cool month in Hamilton, New Zealand: daytime highs average 12.9°C and nights cool to about 5.1°C. By daytime temperature it is the coolest month of the year.
Expect about 127 mm of rain on roughly 13 days, which makes July a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 9 h 49 min on an average July day.
The nearest other city in this atlas is Tauranga (78 km away). In July its highs average 12.9°C, about as warm as Hamilton, New Zealand, with 133 mm of rain.
Among the 11 cities listed in New Zealand, Hamilton, New Zealand ranks joint 3rd of 11 for the warmest July highs and 9th of 11 for the driest July (rainfall, lowest first). The mean July high of those 11 cities is 11.8°C; Hamilton, New Zealand is 1.1°C warmer than that mean.
From July to August, average highs rise by 0.6°C to 13.5°C, and monthly rainfall falls from 127 mm to 122 mm.
The annual picture
July 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
Hamilton, New Zealand climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 22.5°C14.0°C | 14.0°C | 70 | 8.8 | 14.414 h |
| February | 23.2°C14.5°C | 14.5°C | 72 | 8.0 | 13.514 h |
| March | 21.4°C12.8°C | 12.8°C | 72 | 7.6 | 12.412 h |
| April | 18.6°C10.3°C | 10.3°C | 92 | 9.4 | 11.111 h |
| May | 15.8°C8.2°C | 8.2°C | 107 | 11.4 | 10.110 h |
| June | 13.5°C6.1°C | 6.1°C | 114 | 12.1 | 9.610 h |
| July, selected | 12.9°C5.1°C | 5.1°C | 127 | 13.3 | 9.810 h |
| August | 13.5°C5.7°C | 5.7°C | 122 | 14.8 | 10.711 h |
| September | 14.8°C7.1°C | 7.1°C | 114 | 13.9 | 11.812 h |
| October | 16.4°C8.8°C | 8.8°C | 100 | 12.7 | 13.013 h |
| November | 18.1°C10.2°C | 10.2°C | 88 | 11.0 | 14.114 h |
| December | 20.5°C12.7°C | 12.7°C | 99 | 11.0 | 14.715 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
July in nearby cities
- Tauranga in JulyNew Zealand · 78 kmHigh 12.9°C · Low 7.6°C · 133 mm rain
- Manukau City in JulyNew Zealand · 95 kmHigh 13.5°C · Low 8.4°C · 112 mm rain
- Auckland in JulyNew Zealand · 114 kmHigh 13.6°C · Low 9.1°C · 114 mm rain
- New Plymouth in JulyNew Zealand · 177 kmHigh 11.9°C · Low 7.2°C · 189 mm rain
- Hastings, New Zealand in JulyNew Zealand · 247 kmHigh 12.2°C · Low 5.4°C · 85 mm rain
- Palmerston North in JulyNew Zealand · 288 kmHigh 11.4°C · Low 5.1°C · 89 mm rain
- Lower Hutt in JulyNew Zealand · 383 kmHigh 11.5°C · Low 7.6°C · 84 mm rain
- Wellington in JulyNew Zealand · 392 kmHigh 11.2°C · Low 8.6°C · 87 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 Hamilton) is explained once on the Hamilton, New Zealand year overview and on the Sources, method and limits page.