Average annual temperature is 15.0 °C
Absolute maximum temperature: 22.6 °C
Absolute minimum temperature: 7.8 °C
Number of sunny days: 9 days
Number of rainy days: 356 days
Look at detailed online map of Ongai
* Weather data for Ongai 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) | 22.6 | 21.0 | 21.3 | 22.5 | 22.6 | 21.8 | 21.5 | 19.6 | 21.8 | 21.6 | 21.8 | 22.1 |
| Average daytime temperature (°C) | 19.8 | 19.2 | 19.7 | 19.3 | 19.1 | 19.2 | 18.3 | 17.6 | 18.1 | 19.0 | 19.7 | 20.0 |
| Average temperature (°C) | 15.3 | 15.4 | 15.1 | 15.1 | 15.4 | 15.2 | 14.6 | 14.1 | 14.5 | 14.7 | 15.2 | 15.7 |
| Average night temperature (°C) | 12.1 | 12.7 | 12.0 | 11.9 | 12.9 | 12.2 | 11.9 | 11.9 | 12.0 | 11.5 | 11.6 | 12.6 |
| Absolute minimum temperature (°C) | 10.0 | 11.3 | 9.9 | 10.3 | 10.6 | 10.1 | 8.8 | 9.3 | 7.8 | 8.3 | 8.9 | 11.0 |
| 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) | 7.7 | 6.1 | 7.6 | 6.6 | 5.3 | 7.2 | 6.8 | 6.4 | 5.9 | 7.3 | 8.7 | 8.1 |
| Precipitation (mm) | 385 | 335 | 349 | 384 | 544 | 446 | 421 | 458 | 733 | 554 | 323 | 452 |
| Sunny days | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 3 | 3 | 0 |
| Rainy days | 31 | 27 | 31 | 30 | 31 | 28 | 31 | 31 | 30 | 28 | 27 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ongai is at