Average annual temperature is 20.0 °C
Absolute maximum temperature: 28.4 °C
Absolute minimum temperature: 12.4 °C
Number of sunny days: 4 days
Number of rainy days: 361 days
Look at detailed online map of Iwapu
* Weather data for Iwapu 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) | 26.6 | 26.7 | 27.8 | 28.1 | 26.2 | 26.6 | 26.5 | 24.5 | 27.4 | 25.8 | 28.4 | 26.2 |
| Average daytime temperature (°C) | 24.7 | 24.3 | 24.8 | 24.4 | 23.4 | 23.7 | 22.8 | 21.9 | 23.2 | 23.7 | 24.7 | 24.9 |
| Average temperature (°C) | 20.5 | 20.5 | 20.4 | 20.2 | 20.2 | 19.9 | 19.4 | 18.6 | 19.3 | 19.7 | 20.2 | 20.6 |
| Average night temperature (°C) | 17.6 | 18.0 | 17.5 | 17.4 | 18.1 | 17.4 | 17.1 | 16.7 | 17.0 | 17.6 | 17.3 | 17.6 |
| Absolute minimum temperature (°C) | 15.6 | 16.9 | 15.6 | 16.3 | 16.8 | 14.7 | 14.3 | 12.4 | 14.0 | 16.2 | 14.5 | 16.0 |
| 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) | 12.5 | 12.3 | 12.1 | 11.9 | 11.8 | 11.7 | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 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) | 7.7 | 7.4 | 8.4 | 7.5 | 5.9 | 7.1 | 7.5 | 7.2 | 8.1 | 7.6 | 9.2 | 9.0 |
| Precipitation (mm) | 322 | 362 | 349 | 518 | 445 | 408 | 230 | 395 | 435 | 615 | 315 | 267 |
| Sunny days | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
| Rainy days | 30 | 27 | 31 | 30 | 31 | 29 | 31 | 30 | 30 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Iwapu is at