Average annual temperature is 25.6 °C
Absolute maximum temperature: 36.8 °C
Absolute minimum temperature: 19.9 °C
Number of sunny days: 45 days
Number of rainy days: 320 days
Look at detailed online map of Usini
* Weather data for Usini 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) | 34.1 | 34.1 | 34.0 | 33.1 | 33.1 | 32.3 | 33.8 | 35.4 | 36.8 | 35.5 | 34.7 | 33.5 |
| Average daytime temperature (°C) | 30.6 | 30.1 | 31.2 | 30.6 | 30.3 | 30.3 | 31.4 | 33.1 | 33.8 | 32.4 | 32.4 | 31.6 |
| Average temperature (°C) | 25.2 | 24.8 | 25.1 | 25.2 | 25.1 | 25.1 | 25.6 | 26.2 | 26.7 | 25.9 | 26.0 | 25.8 |
| Average night temperature (°C) | 22.0 | 22.0 | 21.8 | 21.9 | 22.0 | 21.6 | 21.8 | 21.9 | 22.3 | 22.0 | 22.1 | 22.6 |
| Absolute minimum temperature (°C) | 20.9 | 20.4 | 20.3 | 20.6 | 20.6 | 19.9 | 20.3 | 20.5 | 20.7 | 20.9 | 21.2 | 21.6 |
| 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 | 11.9 | 11.8 | 11.8 | 11.9 | 12.1 | 12.2 | 12.4 | 12.4 |
| 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) | 8.1 | 6.4 | 8.0 | 8.4 | 7.8 | 8.8 | 9.5 | 10.3 | 10.1 | 9.9 | 9.9 | 8.8 |
| Precipitation (mm) | 286 | 349 | 442 | 261 | 285 | 112 | 99 | 38 | 80 | 181 | 181 | 491 |
| Sunny days | 1 | 0 | 1 | 1 | 2 | 9 | 9 | 12 | 5 | 2 | 3 | 0 |
| Rainy days | 30 | 28 | 30 | 29 | 29 | 21 | 22 | 19 | 25 | 29 | 27 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Usini is at