Average annual temperature is 27.9 °C
Absolute maximum temperature: 30.5 °C
Absolute minimum temperature: 23.9 °C
Number of sunny days: 54 days
Number of rainy days: 311 days
Look at detailed online map of Penrhyn
* Weather data for Penrhyn Cook Islands is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 28.4 | 28.9 | 29.4 | 29.5 | 30.5 | 30.1 | 29.5 | 29.4 | 29.5 | 29.4 | 29.8 | 29.9 |
| Average daytime temperature (°C) | 27.8 | 28.1 | 28.4 | 29.0 | 29.3 | 29.1 | 28.8 | 28.4 | 28.5 | 28.7 | 28.9 | 29.4 |
| Average temperature (°C) | 27.1 | 27.3 | 27.5 | 28.2 | 28.5 | 28.3 | 28.1 | 27.7 | 27.9 | 27.9 | 27.9 | 28.6 |
| Average night temperature (°C) | 26.0 | 26.0 | 26.3 | 27.0 | 27.4 | 27.2 | 27.2 | 26.7 | 27.1 | 26.8 | 26.7 | 27.4 |
| Absolute minimum temperature (°C) | 24.1 | 23.9 | 24.1 | 25.0 | 25.9 | 24.6 | 26.1 | 25.0 | 24.8 | 25.1 | 25.5 | 25.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.6 | 12.4 | 12.1 | 11.9 | 11.7 | 11.6 | 11.7 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 11.4 | 11.4 | 10.5 | 10.7 | 10.9 | 10.5 | 10.8 | 10.7 | 10.9 | 11.0 | 10.1 | 11.0 |
| Precipitation (mm) | 83 | 69 | 194 | 106 | 60 | 80 | 52 | 79 | 61 | 119 | 303 | 122 |
| Sunny days | 6 | 5 | 3 | 3 | 3 | 2 | 10 | 3 | 6 | 5 | 3 | 5 |
| Rainy days | 25 | 23 | 28 | 27 | 28 | 28 | 21 | 28 | 24 | 26 | 27 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Penrhyn is at