Average annual temperature is 17.5 °C
Absolute maximum temperature: 25.0 °C
Absolute minimum temperature: 8.3 °C
Number of sunny days: 9 days
Number of rainy days: 356 days
Look at detailed online map of Iapi
* Weather data for Iapi 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) | 24.1 | 24.0 | 24.5 | 24.0 | 24.1 | 22.9 | 22.8 | 22.8 | 22.5 | 23.1 | 24.5 | 25.0 |
| Average daytime temperature (°C) | 22.5 | 22.1 | 22.5 | 21.9 | 21.4 | 21.0 | 20.7 | 20.0 | 20.1 | 21.6 | 22.4 | 23.1 |
| Average temperature (°C) | 18.0 | 18.1 | 17.6 | 17.5 | 17.7 | 17.5 | 17.2 | 16.6 | 16.9 | 17.1 | 17.5 | 18.1 |
| Average night temperature (°C) | 14.7 | 15.3 | 14.2 | 14.4 | 15.3 | 15.0 | 14.9 | 14.6 | 14.9 | 13.7 | 13.7 | 14.6 |
| Absolute minimum temperature (°C) | 12.6 | 13.5 | 12.6 | 11.9 | 13.5 | 12.3 | 12.9 | 11.2 | 11.3 | 8.3 | 10.0 | 13.3 |
| 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) | 8.2 | 7.6 | 7.9 | 6.9 | 5.7 | 6.7 | 6.5 | 6.5 | 5.5 | 7.4 | 8.6 | 9.0 |
| Precipitation (mm) | 438 | 309 | 425 | 512 | 616 | 458 | 449 | 498 | 687 | 507 | 341 | 407 |
| Sunny days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 3 | 0 |
| Rainy days | 30 | 27 | 31 | 30 | 31 | 30 | 31 | 30 | 30 | 28 | 27 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Iapi is at