Climate averages 1991–2020
New Plymouth weather
in July.
A cool, very 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 New Plymouth: daytime highs average 11.9°C and nights cool to about 7.2°C. By daytime temperature it is the coolest month of the year.
Expect about 189 mm of rain on roughly 16 days, which makes July a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 9 h 42 min on an average July day.
The nearest other city in this atlas is Hamilton, New Zealand (177 km away). In July its highs average 12.9°C, 0.9°C warmer than New Plymouth, with 127 mm of rain.
Among the 11 cities listed in New Zealand, New Plymouth ranks 6th of 11 for the warmest July highs and 11th of 11 for the driest July (rainfall, lowest first). The mean July high of those 11 cities is 11.8°C; New Plymouth is 0.2°C warmer than that mean.
From July to August, average highs rise by 0.4°C to 12.4°C, and monthly rainfall falls from 189 mm to 177 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
New Plymouth climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 20.0°C14.2°C | 14.2°C | 106 | 10.3 | 14.615 h |
| February | 20.7°C14.9°C | 14.9°C | 104 | 9.0 | 13.614 h |
| March | 19.2°C13.6°C | 13.6°C | 109 | 10.5 | 12.412 h |
| April | 16.9°C11.7°C | 11.7°C | 154 | 12.6 | 11.111 h |
| May | 14.7°C10.2°C | 10.2°C | 183 | 14.1 | 10.010 h |
| June | 12.7°C8.3°C | 8.3°C | 185 | 14.7 | 9.59 h |
| July, selected | 11.9°C7.2°C | 7.2°C | 189 | 16.2 | 9.710 h |
| August | 12.4°C7.3°C | 7.3°C | 177 | 16.0 | 10.611 h |
| September | 13.4°C8.3°C | 8.3°C | 173 | 15.6 | 11.812 h |
| October | 14.7°C9.5°C | 9.5°C | 171 | 14.9 | 13.113 h |
| November | 16.3°C10.7°C | 10.7°C | 134 | 12.4 | 14.214 h |
| December | 18.4°C12.9°C | 12.9°C | 160 | 13.4 | 14.815 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
- Hamilton, New Zealand in JulyNew Zealand · 177 kmHigh 12.9°C · Low 5.1°C · 127 mm rain
- Palmerston North in JulyNew Zealand · 194 kmHigh 11.4°C · Low 5.1°C · 89 mm rain
- Tauranga in JulyNew Zealand · 238 kmHigh 12.9°C · Low 7.6°C · 133 mm rain
- Manukau City in JulyNew Zealand · 241 kmHigh 13.5°C · Low 8.4°C · 112 mm rain
- Hastings, New Zealand in JulyNew Zealand · 246 kmHigh 12.2°C · Low 5.4°C · 85 mm rain
- Lower Hutt in JulyNew Zealand · 249 kmHigh 11.5°C · Low 7.6°C · 84 mm rain
- Auckland in JulyNew Zealand · 254 kmHigh 13.6°C · Low 9.1°C · 114 mm rain
- Wellington in JulyNew Zealand · 254 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 New Plymouth) is explained once on the New Plymouth year overview and on the Sources, method and limits page.