Average annual temperature is 25.7 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: 20.1 °C
Number of sunny days: 13 days
Number of rainy days: 352 days
Look at detailed online map of Iuku
* Weather data for Iuku 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) | 34.3 | 33.1 | 33.3 | 31.1 | 30.1 | 30.6 | 29.6 | 28.4 | 29.8 | 29.2 | 32.3 | 32.9 |
| Average daytime temperature (°C) | 30.7 | 30.5 | 30.1 | 29.5 | 28.5 | 28.1 | 27.9 | 27.1 | 27.5 | 27.9 | 29.5 | 30.8 |
| Average temperature (°C) | 26.7 | 26.4 | 26.2 | 25.9 | 25.4 | 25.4 | 25.2 | 24.8 | 24.9 | 25.1 | 26.0 | 26.8 |
| Average night temperature (°C) | 23.9 | 23.6 | 23.6 | 23.4 | 23.5 | 23.4 | 23.1 | 22.9 | 22.9 | 22.9 | 23.2 | 23.9 |
| Absolute minimum temperature (°C) | 22.9 | 22.9 | 22.4 | 22.2 | 22.6 | 22.8 | 21.4 | 20.1 | 20.9 | 21.8 | 21.3 | 22.3 |
| 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) | 12.5 | 12.4 | 12.1 | 11.9 | 11.8 | 11.7 | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 |
| 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) | 9.2 | 8.5 | 9.1 | 9.4 | 6.8 | 7.9 | 8.5 | 9.7 | 8.2 | 8.5 | 9.8 | 9.9 |
| Precipitation (mm) | 259 | 286 | 305 | 305 | 439 | 229 | 153 | 137 | 291 | 383 | 147 | 207 |
| Sunny days | 6 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 0 | 1 |
| Rainy days | 25 | 27 | 31 | 30 | 31 | 30 | 29 | 31 | 28 | 30 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Iuku is at