Average annual temperature is 19.4 °C
Absolute maximum temperature: 26.9 °C
Absolute minimum temperature: 13.3 °C
Number of sunny days: 7 days
Number of rainy days: 358 days
Look at detailed online map of Bongganko
* Weather data for Bongganko 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) | 26.0 | 26.9 | 25.7 | 25.2 | 25.0 | 23.7 | 23.3 | 23.0 | 23.9 | 25.0 | 25.5 | 25.9 |
| Average daytime temperature (°C) | 23.9 | 24.3 | 24.3 | 23.4 | 23.1 | 21.8 | 21.3 | 20.3 | 21.0 | 23.3 | 23.3 | 24.3 |
| Average temperature (°C) | 20.2 | 20.3 | 20.1 | 19.8 | 19.6 | 18.8 | 18.4 | 17.8 | 18.1 | 19.3 | 19.5 | 20.4 |
| Average night temperature (°C) | 17.4 | 17.6 | 17.0 | 16.9 | 17.1 | 16.3 | 16.2 | 15.9 | 16.1 | 16.5 | 16.8 | 17.6 |
| Absolute minimum temperature (°C) | 16.1 | 16.1 | 15.2 | 15.9 | 15.7 | 14.4 | 14.0 | 13.3 | 13.5 | 13.5 | 15.7 | 15.3 |
| 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) | 7.9 | 7.5 | 9.4 | 8.2 | 7.2 | 7.8 | 6.1 | 5.5 | 6.2 | 9.3 | 9.1 | 9.2 |
| Precipitation (mm) | 203 | 226 | 146 | 268 | 447 | 271 | 339 | 333 | 607 | 282 | 237 | 309 |
| Sunny days | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 3 | 0 | 0 | 1 |
| Rainy days | 31 | 28 | 31 | 30 | 30 | 28 | 31 | 31 | 27 | 31 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bongganko is at