Average annual temperature is 18.5 °C
Absolute maximum temperature: 24.0 °C
Absolute minimum temperature: 11.1 °C
Number of sunny days: 15 days
Number of rainy days: 350 days
Look at detailed online map of Wanam
* Weather data for Wanam 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) | 22.0 | 22.8 | 22.3 | 22.2 | 23.4 | 22.8 | 23.6 | 23.2 | 23.9 | 24.0 | 23.8 | 23.4 |
| Average daytime temperature (°C) | 20.9 | 21.1 | 21.2 | 21.1 | 21.5 | 21.4 | 21.7 | 21.7 | 22.0 | 21.6 | 21.6 | 22.1 |
| Average temperature (°C) | 18.2 | 18.4 | 18.1 | 18.1 | 18.5 | 18.0 | 18.6 | 18.5 | 18.8 | 18.7 | 18.8 | 19.2 |
| Average night temperature (°C) | 15.7 | 16.2 | 15.1 | 15.1 | 15.9 | 15.1 | 16.1 | 15.8 | 16.1 | 15.9 | 15.7 | 16.7 |
| Absolute minimum temperature (°C) | 13.8 | 14.1 | 13.0 | 13.7 | 13.9 | 11.1 | 12.4 | 13.5 | 13.6 | 13.7 | 13.5 | 14.1 |
| 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) | 6.2 | 5.6 | 7.4 | 6.9 | 6.0 | 6.9 | 7.1 | 7.3 | 7.4 | 7.3 | 8.6 | 7.3 |
| Precipitation (mm) | 381 | 636 | 391 | 376 | 356 | 117 | 213 | 124 | 236 | 360 | 234 | 674 |
| Sunny days | 1 | 0 | 1 | 0 | 0 | 2 | 2 | 2 | 5 | 0 | 1 | 1 |
| Rainy days | 30 | 28 | 30 | 30 | 31 | 28 | 29 | 29 | 25 | 31 | 29 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Wanam is at