Average annual temperature is 15.5 °C
Absolute maximum temperature: 25.5 °C
Absolute minimum temperature: 3.7 °C
Number of sunny days: 46 days
Number of rainy days: 319 days
Look at detailed online map of Castor Bay
* Weather data for Castor 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) | 25.0 | 24.7 | 23.9 | 22.9 | 20.9 | 18.0 | 16.3 | 15.7 | 19.3 | 21.6 | 22.6 | 25.5 |
| Average daytime temperature (°C) | 22.1 | 22.2 | 21.3 | 20.1 | 18.0 | 15.1 | 14.6 | 14.1 | 16.4 | 18.0 | 19.4 | 22.1 |
| Average temperature (°C) | 19.6 | 19.2 | 17.5 | 17.4 | 15.4 | 12.4 | 12.0 | 10.1 | 13.6 | 14.7 | 15.6 | 18.7 |
| Average night temperature (°C) | 17.7 | 16.8 | 14.3 | 15.4 | 13.6 | 10.4 | 9.9 | 6.9 | 11.4 | 12.1 | 12.4 | 15.9 |
| Absolute minimum temperature (°C) | 14.0 | 13.9 | 8.6 | 8.5 | 7.7 | 5.2 | 3.7 | 3.7 | 7.7 | 4.1 | 9.7 | 8.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 |
| Daylight mean duration (h) | 14.3 | 13.4 | 12.3 | 11.1 | 10.2 | 9.7 | 9.9 | 10.8 | 11.9 | 13.0 | 14.1 | 14.6 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 8.1 | 9.4 | 9.9 | 7.4 | 6.5 | 7.1 | 7.5 | 7.8 | 8.9 | 9.1 | 11.1 | 10.3 |
| Precipitation (mm) | 336 | 272 | 74 | 123 | 172 | 146 | 119 | 66 | 123 | 109 | 105 | 164 |
| Sunny days | 0 | 1 | 7 | 4 | 2 | 7 | 4 | 6 | 4 | 3 | 3 | 5 |
| Rainy days | 31 | 27 | 24 | 26 | 29 | 23 | 27 | 25 | 26 | 28 | 27 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Castor Bay during the most sunny months:
The largest precipitation sum in Castor Bay is at