Average annual temperature is 25.2 °C
Absolute maximum temperature: 32.6 °C
Absolute minimum temperature: 20.6 °C
Number of sunny days: 12 days
Number of rainy days: 353 days
Look at detailed online map of Iakas
* Weather data for Iakas 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) | 32.1 | 32.4 | 32.5 | 31.7 | 31.5 | 29.4 | 30.4 | 30.1 | 30.4 | 30.9 | 31.7 | 32.6 |
| Average daytime temperature (°C) | 30.1 | 30.2 | 30.4 | 29.8 | 28.6 | 27.8 | 28.4 | 27.7 | 28.0 | 28.9 | 29.9 | 30.3 |
| Average temperature (°C) | 25.6 | 25.7 | 25.6 | 25.1 | 25.0 | 24.6 | 25.1 | 24.8 | 24.8 | 25.0 | 25.6 | 25.6 |
| Average night temperature (°C) | 23.2 | 23.5 | 22.8 | 22.6 | 22.8 | 22.5 | 23.0 | 23.1 | 23.0 | 22.6 | 22.8 | 22.9 |
| Absolute minimum temperature (°C) | 20.6 | 22.1 | 21.6 | 21.7 | 21.5 | 21.4 | 21.6 | 21.9 | 21.9 | 21.8 | 21.8 | 21.6 |
| 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) | 8.4 | 7.8 | 8.8 | 8.2 | 6.9 | 7.0 | 8.3 | 8.1 | 8.0 | 8.1 | 9.9 | 8.3 |
| Precipitation (mm) | 200 | 270 | 235 | 366 | 561 | 315 | 287 | 176 | 346 | 298 | 198 | 350 |
| Sunny days | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 3 | 0 | 2 | 2 |
| Rainy days | 30 | 28 | 29 | 30 | 31 | 30 | 31 | 29 | 27 | 31 | 28 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Iakas is at