Average annual temperature is 17.4 °C
Absolute maximum temperature: 23.3 °C
Absolute minimum temperature: 9.6 °C
Number of sunny days: 13 days
Number of rainy days: 352 days
Look at detailed online map of Koipuku
* Weather data for Koipuku Papua New Guinea is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 22.0 | 21.7 | 22.2 | 22.3 | 21.9 | 22.3 | 22.2 | 21.8 | 22.4 | 22.1 | 22.5 | 23.3 |
| Average daytime temperature (°C) | 20.6 | 20.5 | 20.7 | 20.6 | 20.3 | 20.0 | 19.9 | 19.1 | 19.9 | 20.5 | 21.0 | 21.4 |
| Average temperature (°C) | 17.9 | 18.2 | 17.8 | 17.5 | 17.7 | 17.1 | 16.8 | 16.2 | 16.7 | 17.5 | 17.6 | 18.3 |
| Average night temperature (°C) | 15.6 | 16.5 | 15.3 | 14.6 | 15.5 | 14.5 | 14.2 | 14.1 | 14.1 | 15.0 | 14.7 | 15.7 |
| Absolute minimum temperature (°C) | 13.2 | 14.2 | 11.9 | 12.0 | 12.8 | 11.2 | 11.7 | 11.1 | 10.5 | 12.3 | 9.6 | 13.0 |
| 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) | 5.8 | 5.3 | 6.9 | 8.3 | 6.0 | 7.7 | 8.7 | 8.5 | 8.5 | 8.5 | 9.6 | 9.3 |
| Precipitation (mm) | 475 | 760 | 342 | 262 | 321 | 86 | 301 | 455 | 323 | 447 | 378 | 689 |
| Sunny days | 0 | 0 | 0 | 0 | 0 | 6 | 3 | 0 | 2 | 0 | 1 | 1 |
| Rainy days | 31 | 28 | 31 | 30 | 31 | 24 | 28 | 31 | 28 | 31 | 29 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koipuku is at