Average annual temperature is 25.7 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: 20.5 °C
Number of sunny days: 8 days
Number of rainy days: 357 days
Look at detailed online map of Irimuku
* Weather data for Irimuku 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) | 35.6 | 34.5 | 34.2 | 33.0 | 32.4 | 32.7 | 32.0 | 29.5 | 33.1 | 32.9 | 34.1 | 34.0 |
| Average daytime temperature (°C) | 31.8 | 31.4 | 31.4 | 30.8 | 29.0 | 28.8 | 28.8 | 28.2 | 28.1 | 29.6 | 31.2 | 32.3 |
| Average temperature (°C) | 26.7 | 26.4 | 26.3 | 25.8 | 25.2 | 25.3 | 25.2 | 24.6 | 24.7 | 25.2 | 26.3 | 27.0 |
| Average night temperature (°C) | 23.7 | 23.5 | 23.4 | 23.2 | 23.3 | 23.2 | 23.1 | 22.4 | 22.7 | 22.9 | 23.5 | 24.1 |
| Absolute minimum temperature (°C) | 22.4 | 22.9 | 22.5 | 22.5 | 22.4 | 22.4 | 21.9 | 20.5 | 20.9 | 21.3 | 21.9 | 23.0 |
| 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 | 11.9 | 11.8 | 11.7 | 11.7 | 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) | 8.9 | 7.6 | 8.7 | 8.1 | 5.6 | 6.7 | 7.1 | 7.4 | 5.7 | 7.3 | 9.3 | 9.5 |
| Precipitation (mm) | 328 | 401 | 376 | 388 | 517 | 297 | 206 | 200 | 314 | 417 | 227 | 333 |
| Sunny days | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 |
| Rainy days | 26 | 27 | 31 | 30 | 31 | 30 | 31 | 31 | 29 | 31 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Irimuku is at