Average annual temperature is 25.5 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: 18.2 °C
Number of sunny days: 69 days
Number of rainy days: 296 days
Look at detailed online map of Kaiau
* Weather data for Kaiau 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) | 35.2 | 34.4 | 33.7 | 31.5 | 31.1 | 30.2 | 30.7 | 29.8 | 31.9 | 30.3 | 33.5 | 33.2 |
| Average daytime temperature (°C) | 31.2 | 30.7 | 30.5 | 29.8 | 28.6 | 28.4 | 28.6 | 28.3 | 28.8 | 28.8 | 30.4 | 31.6 |
| Average temperature (°C) | 26.6 | 26.1 | 25.9 | 25.4 | 25.1 | 25.0 | 25.0 | 24.7 | 25.0 | 24.9 | 25.7 | 26.8 |
| Average night temperature (°C) | 23.4 | 23.2 | 22.8 | 22.7 | 22.9 | 22.6 | 22.1 | 22.1 | 22.1 | 22.2 | 22.2 | 23.3 |
| Absolute minimum temperature (°C) | 21.8 | 21.6 | 20.6 | 21.2 | 21.3 | 20.4 | 20.3 | 18.2 | 18.6 | 20.3 | 19.1 | 21.2 |
| 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) | 12.6 | 12.4 | 12.1 | 11.9 | 11.7 | 11.6 | 11.7 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 |
| 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 | 7.8 | 8.9 | 8.9 | 6.9 | 9.0 | 9.3 | 10.1 | 10.0 | 9.2 | 10.1 | 10.4 |
| Precipitation (mm) | 135 | 199 | 192 | 243 | 469 | 93 | 51 | 21 | 52 | 238 | 114 | 177 |
| Sunny days | 7 | 4 | 2 | 0 | 0 | 8 | 13 | 15 | 13 | 2 | 5 | 0 |
| Rainy days | 24 | 24 | 29 | 30 | 31 | 22 | 18 | 16 | 17 | 29 | 25 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kaiau is at