Average annual temperature is 13.8 °C
Absolute maximum temperature: 21.9 °C
Absolute minimum temperature: 6.0 °C
Number of sunny days: 11 days
Number of rainy days: 354 days
Look at detailed online map of Iriba
* Weather data for Iriba 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) | 21.0 | 21.0 | 21.3 | 21.9 | 21.8 | 21.3 | 20.6 | 19.8 | 20.2 | 19.9 | 21.2 | 21.1 |
| Average daytime temperature (°C) | 18.8 | 18.6 | 18.9 | 18.5 | 18.3 | 18.4 | 17.7 | 17.1 | 17.6 | 18.1 | 19.2 | 19.2 |
| Average temperature (°C) | 14.0 | 14.2 | 13.8 | 13.8 | 14.1 | 13.9 | 13.5 | 13.1 | 13.5 | 13.4 | 13.9 | 14.4 |
| Average night temperature (°C) | 10.6 | 11.6 | 10.7 | 10.2 | 11.2 | 10.5 | 10.3 | 10.2 | 10.7 | 9.9 | 10.1 | 11.0 |
| Absolute minimum temperature (°C) | 8.6 | 9.3 | 8.7 | 8.7 | 7.9 | 8.8 | 6.0 | 6.4 | 6.4 | 7.2 | 7.1 | 9.4 |
| 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) | 7.5 | 5.7 | 7.7 | 6.9 | 6.3 | 8.9 | 8.4 | 8.6 | 8.0 | 8.3 | 9.2 | 8.0 |
| Precipitation (mm) | 490 | 368 | 425 | 574 | 646 | 320 | 436 | 351 | 555 | 401 | 389 | 396 |
| Sunny days | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 2 | 1 | 4 | 1 | 0 |
| Rainy days | 31 | 28 | 31 | 30 | 30 | 30 | 29 | 29 | 29 | 27 | 29 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Iriba is at