Average annual temperature is 21.3 °C
Absolute maximum temperature: 27.9 °C
Absolute minimum temperature: 17.8 °C
Number of rainy days: 365 days
Look at detailed online map of Wilium
* Weather data for Wilium 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) | 26.0 | 26.0 | 26.5 | 26.0 | 26.6 | 26.5 | 26.3 | 26.3 | 26.3 | 27.9 | 26.7 | 26.9 |
| Average daytime temperature (°C) | 24.5 | 24.3 | 24.6 | 24.0 | 24.8 | 24.5 | 24.6 | 24.8 | 24.7 | 25.2 | 25.1 | 24.7 |
| Average temperature (°C) | 21.2 | 21.1 | 21.1 | 21.1 | 21.6 | 21.3 | 21.2 | 21.1 | 21.1 | 21.4 | 21.5 | 21.4 |
| Average night temperature (°C) | 19.2 | 19.2 | 19.1 | 19.2 | 19.7 | 19.1 | 19.1 | 18.8 | 19.0 | 19.1 | 19.4 | 19.6 |
| Absolute minimum temperature (°C) | 18.4 | 18.3 | 18.5 | 18.6 | 18.9 | 18.3 | 17.8 | 18.2 | 18.2 | 18.2 | 18.2 | 18.9 |
| 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 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.3 | 12.2 | 12.1 | 12.0 | 12.0 | 11.9 | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.3 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 7.7 | 6.1 | 7.8 | 6.6 | 7.1 | 8.2 | 8.6 | 9.2 | 8.6 | 8.7 | 8.7 | 6.6 |
| Precipitation (mm) | 340 | 414 | 367 | 396 | 364 | 226 | 304 | 416 | 381 | 381 | 346 | 514 |
| Sunny days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Rainy days | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Wilium is at