Average annual temperature is 23.3 °C
Absolute maximum temperature: 31.1 °C
Absolute minimum temperature: 17.4 °C
Number of sunny days: 5 days
Number of rainy days: 360 days
Look at detailed online map of Sililio
* Weather data for Sililio 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) | 31.1 | 30.8 | 30.0 | 29.1 | 29.0 | 28.3 | 28.4 | 28.7 | 29.1 | 29.8 | 29.7 | 30.1 |
| Average daytime temperature (°C) | 28.2 | 28.3 | 28.3 | 27.6 | 27.2 | 26.0 | 26.0 | 24.6 | 25.7 | 27.5 | 27.6 | 28.2 |
| Average temperature (°C) | 24.2 | 24.2 | 24.1 | 23.6 | 23.5 | 22.7 | 22.5 | 21.8 | 22.3 | 23.3 | 23.5 | 24.0 |
| Average night temperature (°C) | 21.3 | 21.5 | 21.1 | 20.8 | 21.1 | 20.6 | 20.4 | 20.0 | 20.1 | 20.6 | 20.6 | 20.7 |
| Absolute minimum temperature (°C) | 19.6 | 20.5 | 19.6 | 20.1 | 19.6 | 19.0 | 18.8 | 19.2 | 18.0 | 19.4 | 19.7 | 17.4 |
| 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) | 8.9 | 8.1 | 9.7 | 9.3 | 7.7 | 7.8 | 7.7 | 7.2 | 7.8 | 10.2 | 10.2 | 10.1 |
| Precipitation (mm) | 361 | 400 | 205 | 260 | 425 | 305 | 346 | 288 | 564 | 381 | 285 | 465 |
| Sunny days | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 1 |
| Rainy days | 30 | 28 | 31 | 30 | 31 | 29 | 30 | 31 | 29 | 31 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sililio is at