Average annual temperature is 17.2 °C
Absolute maximum temperature: 25.2 °C
Absolute minimum temperature: 10.1 °C
Number of sunny days: 13 days
Number of rainy days: 352 days
Look at detailed online map of Kosairo
* Weather data for Kosairo 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) | 24.3 | 24.3 | 24.0 | 23.8 | 24.4 | 23.3 | 23.2 | 23.0 | 24.1 | 24.2 | 24.4 | 25.2 |
| Average daytime temperature (°C) | 22.3 | 22.1 | 22.2 | 21.9 | 21.5 | 21.5 | 21.6 | 21.5 | 22.0 | 22.1 | 22.8 | 23.0 |
| Average temperature (°C) | 17.4 | 17.4 | 17.2 | 17.3 | 17.3 | 16.7 | 16.9 | 16.8 | 17.0 | 17.1 | 17.6 | 18.0 |
| Average night temperature (°C) | 14.3 | 14.7 | 14.2 | 14.3 | 14.8 | 13.8 | 13.8 | 14.2 | 13.7 | 14.2 | 14.2 | 15.1 |
| Absolute minimum temperature (°C) | 12.8 | 13.4 | 12.3 | 13.1 | 13.4 | 10.1 | 11.4 | 10.7 | 11.1 | 10.4 | 12.0 | 13.2 |
| 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) | 8.6 | 7.1 | 8.2 | 8.3 | 6.9 | 8.4 | 8.7 | 8.6 | 8.7 | 8.6 | 9.6 | 9.1 |
| Precipitation (mm) | 189 | 272 | 310 | 262 | 349 | 255 | 202 | 421 | 276 | 472 | 267 | 353 |
| Sunny days | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 3 | 0 |
| Rainy days | 30 | 27 | 30 | 30 | 31 | 29 | 30 | 30 | 28 | 29 | 27 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kosairo is at