Average annual temperature is 23.8 °C
Absolute maximum temperature: 32.0 °C
Absolute minimum temperature: 18.9 °C
Number of sunny days: 22 days
Number of rainy days: 343 days
Look at detailed online map of Aro
* Weather data for Aro 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) | 32.0 | 31.1 | 30.0 | 29.7 | 29.4 | 29.4 | 28.1 | 27.8 | 28.3 | 29.9 | 30.1 | 30.7 |
| Average daytime temperature (°C) | 28.8 | 28.7 | 28.3 | 27.4 | 26.5 | 26.4 | 26.1 | 26.1 | 26.0 | 27.2 | 28.0 | 28.8 |
| Average temperature (°C) | 25.0 | 24.7 | 24.3 | 23.9 | 23.3 | 23.2 | 22.9 | 22.5 | 22.6 | 23.5 | 24.2 | 25.0 |
| Average night temperature (°C) | 22.2 | 21.9 | 21.7 | 21.4 | 21.4 | 21.1 | 20.9 | 20.2 | 20.5 | 20.8 | 21.3 | 22.2 |
| Absolute minimum temperature (°C) | 20.7 | 20.9 | 20.1 | 20.6 | 20.3 | 20.3 | 19.3 | 19.1 | 18.9 | 19.0 | 20.2 | 20.7 |
| 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) | 8.7 | 8.2 | 8.7 | 7.4 | 5.2 | 6.8 | 6.1 | 7.3 | 6.5 | 7.6 | 8.6 | 9.5 |
| Precipitation (mm) | 365 | 256 | 277 | 285 | 482 | 238 | 531 | 147 | 366 | 223 | 202 | 248 |
| Sunny days | 3 | 0 | 1 | 1 | 1 | 0 | 1 | 4 | 5 | 5 | 1 | 0 |
| Rainy days | 28 | 28 | 30 | 29 | 30 | 30 | 30 | 27 | 25 | 26 | 29 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Aro is at