Average annual temperature is 25.3 °C
Absolute maximum temperature: 34.7 °C
Absolute minimum temperature: 18.5 °C
Number of sunny days: 18 days
Number of rainy days: 347 days
Look at detailed online map of Osasu
* Weather data for Osasu 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) | 34.7 | 33.5 | 32.9 | 32.1 | 31.9 | 31.7 | 31.1 | 30.9 | 31.1 | 32.5 | 32.6 | 33.6 |
| Average daytime temperature (°C) | 31.1 | 31.0 | 30.6 | 29.7 | 28.9 | 28.8 | 28.8 | 29.2 | 28.8 | 30.1 | 30.7 | 31.4 |
| Average temperature (°C) | 26.2 | 25.9 | 25.6 | 25.3 | 24.8 | 24.9 | 24.7 | 24.6 | 24.5 | 25.1 | 25.8 | 26.4 |
| Average night temperature (°C) | 23.2 | 22.8 | 22.8 | 22.6 | 22.6 | 22.5 | 22.1 | 21.3 | 21.6 | 22.1 | 22.7 | 23.3 |
| Absolute minimum temperature (°C) | 22.0 | 21.4 | 21.8 | 21.7 | 21.6 | 21.7 | 20.9 | 18.5 | 19.2 | 20.6 | 21.3 | 22.2 |
| 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 | 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) | 8.8 | 8.7 | 8.3 | 7.6 | 6.0 | 8.2 | 7.5 | 9.0 | 7.8 | 8.4 | 9.5 | 9.6 |
| Precipitation (mm) | 425 | 482 | 440 | 391 | 555 | 278 | 483 | 83 | 318 | 193 | 175 | 411 |
| Sunny days | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 5 | 4 | 3 | 0 |
| Rainy days | 28 | 28 | 31 | 30 | 31 | 29 | 31 | 29 | 25 | 27 | 27 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Osasu is at