Average annual temperature is 13.9 °C
Absolute maximum temperature: 21.4 °C
Absolute minimum temperature: 4.8 °C
Number of sunny days: 178 days
Number of rainy days: 187 days
Look at detailed online map of Hamilton Bay
* Weather data for Hamilton Bay New Zealand is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 21.0 | 21.4 | 20.1 | 18.1 | 18.7 | 15.9 | 14.4 | 13.2 | 14.1 | 18.6 | 17.5 | 19.3 |
| Average daytime temperature (°C) | 18.9 | 19.1 | 18.2 | 16.4 | 15.4 | 13.3 | 12.3 | 11.1 | 13.0 | 14.2 | 15.1 | 17.5 |
| Average temperature (°C) | 17.2 | 17.6 | 16.6 | 15.1 | 14.3 | 12.0 | 11.1 | 9.9 | 11.8 | 12.3 | 13.4 | 15.8 |
| Average night temperature (°C) | 15.9 | 16.4 | 15.4 | 13.8 | 13.2 | 10.6 | 9.9 | 8.4 | 10.7 | 11.1 | 12.1 | 14.5 |
| Absolute minimum temperature (°C) | 13.6 | 12.5 | 9.5 | 10.7 | 9.3 | 8.1 | 6.8 | 4.8 | 8.0 | 7.7 | 9.4 | 11.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 |
| Daylight mean duration (h) | 14.7 | 13.7 | 12.3 | 11.0 | 9.9 | 9.3 | 9.6 | 10.5 | 11.8 | 13.2 | 14.4 | 15.1 |
| Daylight minimum duration (h) | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 | 9.0 | 9.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 9.8 | 9.9 | 10.4 | 7.8 | 5.8 | 6.8 | 7.2 | 8.5 | 9.0 | 10.9 | 11.2 | 10.6 |
| Precipitation (mm) | 113 | 97 | 79 | 158 | 231 | 55 | 31 | 54 | 66 | 57 | 53 | 80 |
| Sunny days | 16 | 12 | 14 | 13 | 12 | 16 | 17 | 18 | 14 | 17 | 14 | 15 |
| Rainy days | 15 | 16 | 17 | 17 | 19 | 14 | 14 | 13 | 16 | 14 | 16 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Hamilton Bay is at