Average annual temperature is 23.5 °C
Absolute maximum temperature: 32.1 °C
Absolute minimum temperature: 17.8 °C
Number of sunny days: 10 days
Number of rainy days: 355 days
Look at detailed online map of Iamagu
* Weather data for Iamagu 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 | 32.0 | 31.2 | 30.6 | 30.3 | 29.9 | 29.8 | 28.3 | 29.5 | 30.3 | 30.9 | 31.4 |
| Average daytime temperature (°C) | 29.9 | 29.4 | 29.2 | 28.6 | 27.1 | 26.7 | 26.5 | 26.1 | 25.9 | 27.4 | 28.6 | 29.8 |
| Average temperature (°C) | 24.7 | 24.6 | 24.2 | 23.8 | 23.3 | 23.1 | 22.7 | 22.0 | 22.2 | 23.1 | 24.0 | 24.6 |
| Average night temperature (°C) | 21.1 | 21.3 | 20.8 | 21.0 | 21.3 | 21.2 | 20.8 | 19.9 | 20.4 | 20.8 | 21.2 | 21.4 |
| Absolute minimum temperature (°C) | 19.7 | 20.0 | 19.4 | 19.2 | 19.6 | 20.0 | 19.1 | 18.3 | 18.4 | 17.8 | 20.1 | 19.8 |
| 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 | 12.3 | 12.1 | 12.0 | 11.8 | 11.7 | 11.8 | 11.9 | 12.1 | 12.3 | 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) | 9.1 | 8.5 | 8.9 | 8.0 | 6.0 | 7.3 | 7.4 | 7.2 | 5.7 | 7.7 | 9.1 | 9.8 |
| Precipitation (mm) | 376 | 254 | 336 | 412 | 671 | 297 | 377 | 296 | 515 | 391 | 197 | 358 |
| Sunny days | 5 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| Rainy days | 26 | 27 | 28 | 30 | 31 | 30 | 31 | 31 | 30 | 30 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Iamagu is at