Average annual temperature is 16.8 °C
Absolute maximum temperature: 25.7 °C
Absolute minimum temperature: 8.1 °C
Number of sunny days: 15 days
Number of rainy days: 350 days
Look at detailed online map of Onima
* Weather data for Onima 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) | 23.9 | 24.1 | 23.9 | 23.4 | 24.2 | 23.4 | 23.3 | 22.7 | 24.0 | 23.6 | 24.5 | 25.7 |
| Average daytime temperature (°C) | 21.7 | 21.7 | 22.0 | 21.7 | 21.5 | 21.4 | 21.4 | 20.8 | 21.7 | 21.9 | 22.6 | 22.9 |
| Average temperature (°C) | 16.9 | 17.0 | 16.8 | 16.8 | 17.0 | 16.5 | 16.7 | 16.4 | 16.7 | 16.7 | 17.1 | 17.7 |
| Average night temperature (°C) | 13.3 | 14.1 | 13.1 | 13.3 | 13.8 | 13.0 | 13.2 | 13.5 | 13.3 | 13.0 | 12.9 | 13.9 |
| Absolute minimum temperature (°C) | 11.7 | 11.3 | 10.3 | 11.4 | 11.9 | 9.1 | 10.7 | 9.2 | 10.5 | 8.1 | 9.2 | 11.9 |
| 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) | 8.1 | 7.0 | 8.5 | 7.9 | 6.7 | 8.5 | 8.7 | 8.5 | 8.5 | 8.8 | 9.3 | 9.3 |
| Precipitation (mm) | 232 | 310 | 289 | 245 | 264 | 239 | 148 | 158 | 342 | 252 | 182 | 305 |
| Sunny days | 1 | 0 | 0 | 0 | 0 | 2 | 1 | 2 | 2 | 5 | 2 | 0 |
| Rainy days | 30 | 28 | 31 | 30 | 31 | 28 | 30 | 29 | 28 | 26 | 28 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Onima is at