Average annual temperature is 24.5 °C
Absolute maximum temperature: 32.2 °C
Absolute minimum temperature: 20.6 °C
Number of sunny days: 4 days
Number of rainy days: 361 days
Look at detailed online map of Kusan
* Weather data for Kusan 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) | 31.0 | 31.2 | 31.0 | 31.0 | 31.9 | 30.6 | 30.5 | 32.0 | 31.9 | 32.2 | 31.9 | 31.7 |
| Average daytime temperature (°C) | 28.3 | 27.8 | 29.0 | 27.9 | 28.6 | 28.2 | 28.7 | 29.5 | 29.7 | 29.3 | 29.8 | 29.1 |
| Average temperature (°C) | 24.3 | 24.1 | 24.5 | 24.1 | 24.5 | 24.2 | 24.4 | 24.7 | 24.9 | 24.6 | 24.9 | 24.6 |
| Average night temperature (°C) | 21.7 | 21.8 | 21.8 | 21.7 | 22.2 | 21.8 | 21.9 | 21.8 | 22.1 | 21.9 | 22.1 | 22.1 |
| Absolute minimum temperature (°C) | 20.9 | 21.0 | 21.1 | 21.0 | 21.5 | 20.6 | 20.9 | 20.9 | 21.0 | 21.0 | 21.1 | 21.2 |
| 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 | 11.9 | 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) | 8.0 | 5.9 | 7.4 | 6.8 | 7.4 | 8.2 | 8.6 | 9.4 | 9.3 | 8.6 | 9.1 | 7.5 |
| Precipitation (mm) | 279 | 491 | 253 | 403 | 390 | 216 | 252 | 185 | 190 | 292 | 288 | 455 |
| Sunny days | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 |
| Rainy days | 31 | 28 | 31 | 30 | 30 | 30 | 30 | 30 | 29 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kusan is at