Average annual temperature is 16.0 °C
Absolute maximum temperature: 24.6 °C
Absolute minimum temperature: 7.1 °C
Number of sunny days: 8 days
Number of rainy days: 357 days
Look at detailed online map of Koia
* Weather data for Koia 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) | 24.6 | 23.9 | 24.1 | 24.5 | 24.1 | 23.2 | 23.4 | 21.7 | 22.8 | 22.4 | 24.1 | 24.1 |
| Average daytime temperature (°C) | 22.0 | 21.6 | 22.0 | 21.5 | 20.5 | 20.2 | 19.9 | 18.9 | 19.0 | 20.7 | 21.8 | 22.2 |
| Average temperature (°C) | 16.5 | 16.7 | 16.1 | 16.1 | 16.2 | 16.0 | 15.6 | 14.9 | 15.3 | 15.6 | 16.3 | 16.7 |
| Average night temperature (°C) | 13.1 | 13.7 | 12.6 | 12.9 | 13.6 | 13.5 | 13.1 | 12.9 | 13.3 | 12.3 | 12.4 | 13.1 |
| Absolute minimum temperature (°C) | 11.6 | 12.1 | 11.2 | 10.7 | 11.7 | 11.9 | 10.7 | 10.3 | 10.8 | 7.1 | 8.8 | 11.0 |
| 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) | 12.4 | 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) | 7.9 | 7.4 | 8.0 | 7.0 | 5.9 | 6.7 | 6.7 | 5.2 | 4.9 | 7.0 | 8.8 | 8.6 |
| Precipitation (mm) | 343 | 208 | 332 | 367 | 418 | 453 | 296 | 370 | 448 | 431 | 242 | 325 |
| Sunny days | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 4 | 0 |
| Rainy days | 30 | 27 | 31 | 30 | 31 | 29 | 31 | 31 | 30 | 30 | 26 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Koia during the most sunny months:
The largest precipitation sum in Koia is at