Average annual temperature is 26.2 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: 22.0 °C
Number of sunny days: 3 days
Number of rainy days: 362 days
Look at detailed online map of Iwau
* Weather data for Iwau 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) | 33.3 | 33.3 | 33.9 | 32.7 | 33.0 | 32.8 | 32.9 | 34.0 | 33.9 | 34.1 | 34.4 | 34.0 |
| Average daytime temperature (°C) | 30.8 | 30.5 | 31.5 | 29.6 | 30.5 | 30.5 | 30.9 | 31.4 | 31.7 | 31.5 | 31.5 | 30.8 |
| Average temperature (°C) | 26.1 | 25.9 | 26.1 | 25.6 | 26.2 | 26.1 | 26.2 | 26.3 | 26.4 | 26.6 | 26.6 | 26.2 |
| Average night temperature (°C) | 23.4 | 23.4 | 23.2 | 23.3 | 23.6 | 23.3 | 23.4 | 23.1 | 23.3 | 23.5 | 23.8 | 23.9 |
| Absolute minimum temperature (°C) | 22.1 | 22.8 | 22.4 | 22.8 | 22.9 | 22.6 | 22.0 | 22.4 | 22.4 | 22.5 | 22.7 | 23.1 |
| 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 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.3 | 12.2 | 12.1 | 12.0 | 11.9 | 11.9 | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.4 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 8.2 | 6.7 | 7.7 | 6.7 | 7.4 | 8.7 | 8.6 | 9.1 | 9.0 | 8.7 | 9.1 | 7.1 |
| Precipitation (mm) | 595 | 596 | 722 | 655 | 785 | 505 | 436 | 543 | 727 | 598 | 561 | 745 |
| Sunny days | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
| Rainy days | 31 | 28 | 31 | 30 | 31 | 28 | 30 | 31 | 30 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Iwau is at