Average annual temperature is 24.0 °C
Absolute maximum temperature: 32.9 °C
Absolute minimum temperature: 17.8 °C
Number of sunny days: 11 days
Number of rainy days: 354 days
Look at detailed online map of Wammai-Iu
* Weather data for Wammai-Iu 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) | 32.9 | 32.5 | 31.7 | 31.6 | 31.6 | 30.9 | 30.0 | 29.6 | 30.0 | 31.8 | 31.6 | 32.2 |
| Average daytime temperature (°C) | 30.3 | 29.8 | 29.7 | 29.0 | 28.0 | 28.1 | 28.0 | 27.7 | 27.5 | 29.0 | 29.7 | 30.5 |
| Average temperature (°C) | 25.0 | 24.9 | 24.4 | 24.1 | 23.7 | 23.7 | 23.4 | 22.9 | 23.0 | 23.7 | 24.4 | 25.2 |
| Average night temperature (°C) | 21.5 | 21.6 | 20.9 | 21.2 | 21.3 | 21.1 | 21.0 | 20.2 | 20.6 | 20.9 | 21.1 | 21.7 |
| Absolute minimum temperature (°C) | 19.9 | 20.2 | 19.4 | 20.0 | 20.1 | 20.1 | 19.6 | 18.9 | 18.3 | 17.8 | 19.5 | 20.6 |
| 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) | 9.0 | 8.2 | 8.8 | 7.6 | 6.4 | 8.3 | 7.9 | 7.8 | 7.1 | 8.1 | 9.0 | 9.8 |
| Precipitation (mm) | 391 | 281 | 293 | 322 | 533 | 214 | 287 | 155 | 264 | 154 | 168 | 193 |
| Sunny days | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 4 | 0 | 1 |
| Rainy days | 27 | 28 | 31 | 30 | 31 | 30 | 31 | 30 | 29 | 27 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Wammai-Iu is at