Average annual temperature is 16.1 °C
Absolute maximum temperature: 23.7 °C
Absolute minimum temperature: 8.8 °C
Number of sunny days: 29 days
Number of rainy days: 336 days
Look at detailed online map of Gauiaku
* Weather data for Gauiaku 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) | 22.8 | 22.8 | 23.2 | 22.8 | 23.0 | 22.0 | 22.8 | 22.2 | 23.0 | 23.7 | 23.0 | 23.5 |
| Average daytime temperature (°C) | 21.0 | 21.0 | 21.2 | 20.7 | 20.7 | 20.3 | 20.3 | 20.1 | 20.6 | 20.5 | 21.3 | 21.7 |
| Average temperature (°C) | 16.3 | 16.3 | 16.2 | 16.1 | 16.3 | 15.8 | 15.7 | 15.4 | 15.8 | 15.9 | 16.3 | 16.8 |
| Average night temperature (°C) | 12.7 | 13.1 | 12.4 | 12.1 | 12.9 | 11.9 | 12.3 | 12.0 | 12.3 | 12.3 | 12.4 | 13.1 |
| Absolute minimum temperature (°C) | 10.5 | 10.6 | 9.8 | 10.5 | 10.9 | 8.8 | 10.2 | 9.8 | 8.8 | 9.8 | 10.9 | 11.4 |
| 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) | 8.4 | 6.8 | 8.0 | 7.8 | 7.0 | 8.5 | 9.3 | 9.5 | 9.2 | 8.5 | 9.1 | 8.7 |
| Precipitation (mm) | 352 | 176 | 271 | 416 | 374 | 261 | 275 | 172 | 336 | 241 | 293 | 317 |
| Sunny days | 1 | 0 | 1 | 0 | 0 | 3 | 5 | 6 | 2 | 4 | 4 | 3 |
| Rainy days | 30 | 28 | 30 | 30 | 31 | 27 | 26 | 25 | 28 | 27 | 26 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Gauiaku is at