Average annual temperature is 27.4 °C
Absolute maximum temperature: 30.2 °C
Absolute minimum temperature: 24.2 °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) | 30.1 | 30.1 | 30.2 | 30.0 | 29.5 | 29.1 | 29.0 | 28.4 | 28.1 | 28.9 | 29.5 | 30.0 |
| Average daytime temperature (°C) | 29.1 | 29.2 | 29.2 | 28.8 | 28.5 | 28.0 | 27.9 | 27.5 | 27.3 | 28.1 | 28.6 | 29.2 |
| Average temperature (°C) | 28.0 | 27.9 | 28.1 | 27.5 | 27.4 | 26.8 | 26.8 | 26.7 | 26.5 | 27.0 | 27.5 | 28.2 |
| Average night temperature (°C) | 26.7 | 26.7 | 26.8 | 26.0 | 26.2 | 25.6 | 25.6 | 25.6 | 25.5 | 25.7 | 26.1 | 27.1 |
| Absolute minimum temperature (°C) | 25.0 | 24.8 | 25.3 | 24.8 | 24.8 | 24.3 | 24.2 | 24.4 | 24.4 | 24.3 | 24.3 | 25.5 |
| 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) | 9.1 | 9.1 | 9.4 | 9.6 | 7.1 | 6.8 | 8.1 | 8.5 | 7.9 | 10.1 | 10.5 | 10.3 |
| Precipitation (mm) | 190 | 292 | 188 | 306 | 593 | 483 | 434 | 208 | 414 | 338 | 201 | 193 |
| Sunny days | 1 | 3 | 3 | 0 | 0 | 0 | 1 | 3 | 1 | 1 | 1 | 1 |
| Rainy days | 30 | 25 | 28 | 30 | 31 | 30 | 30 | 28 | 29 | 30 | 29 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Wanam is at