Climate averages 1991–2020
Hamilton, New Zealand weather
in May.
A mild, wet month: the 8th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Hamilton, New Zealand: daytime highs average 15.8°C and nights cool to about 8.2°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 107 mm of rain on roughly 11 days, which makes May a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 07 min on an average May day.
The nearest other city in this atlas is Tauranga (78 km away). In May its highs average 15.8°C, about as warm as Hamilton, New Zealand, with 113 mm of rain.
Among the 11 cities listed in New Zealand, Hamilton, New Zealand ranks joint 3rd of 11 for the warmest May highs and 9th of 11 for the driest May (rainfall, lowest first). The mean May high of those 11 cities is 14.8°C; Hamilton, New Zealand is 1.1°C warmer than that mean.
From May to June, average highs fall by 2.3°C to 13.5°C, and monthly rainfall rises from 107 mm to 114 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
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, selected | 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 | 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
May in nearby cities
- Tauranga in MayNew Zealand · 78 kmHigh 15.8°C · Low 10.6°C · 113 mm rain
- Manukau City in MayNew Zealand · 95 kmHigh 16.4°C · Low 11.5°C · 92 mm rain
- Auckland in MayNew Zealand · 114 kmHigh 16.5°C · Low 12.1°C · 96 mm rain
- New Plymouth in MayNew Zealand · 177 kmHigh 14.7°C · Low 10.2°C · 183 mm rain
- Hastings, New Zealand in MayNew Zealand · 247 kmHigh 15.5°C · Low 8.3°C · 54 mm rain
- Palmerston North in MayNew Zealand · 288 kmHigh 14.4°C · Low 7.9°C · 79 mm rain
- Lower Hutt in MayNew Zealand · 383 kmHigh 14.3°C · Low 10.4°C · 70 mm rain
- Wellington in MayNew Zealand · 392 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 Hamilton) is explained once on the Hamilton, New Zealand year overview and on the Sources, method and limits page.