Average annual temperature is 27.0 °C
Absolute maximum temperature: 32.6 °C
Absolute minimum temperature: 23.1 °C
Number of sunny days: 86 days
Number of rainy days: 279 days
Look at detailed online map of Sio West
* Weather data for Sio West 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) | 30.7 | 30.4 | 30.9 | 30.7 | 30.6 | 30.3 | 31.2 | 32.0 | 32.1 | 31.3 | 32.6 | 31.5 |
| Average daytime temperature (°C) | 28.9 | 29.1 | 29.3 | 29.1 | 29.1 | 29.1 | 29.6 | 30.2 | 30.2 | 29.9 | 30.7 | 30.0 |
| Average temperature (°C) | 26.8 | 26.9 | 26.9 | 26.8 | 26.9 | 26.7 | 27.0 | 27.1 | 27.2 | 27.1 | 27.7 | 27.5 |
| Average night temperature (°C) | 25.2 | 25.3 | 25.1 | 25.1 | 25.4 | 24.8 | 25.1 | 25.2 | 25.1 | 25.2 | 25.5 | 25.6 |
| Absolute minimum temperature (°C) | 24.1 | 24.1 | 24.3 | 24.0 | 24.4 | 23.1 | 23.6 | 24.1 | 23.7 | 23.9 | 24.4 | 24.9 |
| 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) | 8.4 | 8.2 | 8.7 | 8.9 | 7.7 | 8.4 | 9.6 | 10.2 | 10.1 | 10.0 | 10.5 | 9.6 |
| Precipitation (mm) | 292 | 342 | 244 | 180 | 287 | 137 | 59 | 13 | 85 | 118 | 63 | 291 |
| Sunny days | 1 | 0 | 3 | 4 | 2 | 13 | 11 | 17 | 18 | 5 | 9 | 3 |
| Rainy days | 30 | 28 | 28 | 26 | 29 | 17 | 20 | 14 | 12 | 26 | 21 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sio West is at