Average annual temperature is 18.3 °C
Absolute maximum temperature: 27.5 °C
Absolute minimum temperature: 9.9 °C
Number of sunny days: 16 days
Number of rainy days: 349 days
Look at detailed online map of Koibori
* Weather data for Koibori 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) | 25.8 | 26.0 | 26.4 | 26.7 | 26.2 | 25.4 | 25.5 | 23.9 | 26.0 | 26.7 | 27.5 | 27.2 |
| Average daytime temperature (°C) | 23.8 | 23.6 | 23.8 | 23.6 | 22.9 | 22.5 | 22.5 | 21.3 | 22.4 | 23.1 | 24.0 | 24.3 |
| Average temperature (°C) | 18.6 | 18.6 | 18.4 | 18.5 | 18.5 | 18.1 | 17.8 | 17.4 | 17.8 | 18.0 | 18.5 | 18.9 |
| Average night temperature (°C) | 14.8 | 15.7 | 14.6 | 15.0 | 15.6 | 14.9 | 14.7 | 15.1 | 14.8 | 15.0 | 14.8 | 15.4 |
| Absolute minimum temperature (°C) | 13.0 | 13.5 | 12.0 | 13.3 | 13.5 | 9.9 | 12.1 | 12.1 | 12.0 | 11.8 | 11.4 | 13.7 |
| 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) | 12.4 | 12.3 | 12.1 | 12.0 | 11.8 | 11.8 | 11.8 | 11.9 | 12.1 | 12.2 | 12.4 | 12.5 |
| 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) | 8.4 | 7.1 | 8.6 | 8.1 | 6.8 | 8.0 | 8.2 | 7.9 | 8.3 | 8.2 | 9.6 | 9.1 |
| Precipitation (mm) | 238 | 257 | 347 | 244 | 226 | 205 | 115 | 160 | 218 | 227 | 181 | 248 |
| Sunny days | 0 | 0 | 0 | 1 | 0 | 3 | 4 | 1 | 2 | 3 | 1 | 1 |
| Rainy days | 31 | 28 | 31 | 29 | 31 | 27 | 27 | 30 | 28 | 28 | 29 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koibori is at