Average annual temperature is 21.4 °C
Absolute maximum temperature: 29.2 °C
Absolute minimum temperature: 16.8 °C
Number of sunny days: 12 days
Number of rainy days: 353 days
Look at detailed online map of Bai
* Weather data for Bai 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) | 27.5 | 27.4 | 27.4 | 27.0 | 27.2 | 27.0 | 27.2 | 27.3 | 29.2 | 28.0 | 27.1 | 27.3 |
| Average daytime temperature (°C) | 25.2 | 25.0 | 25.5 | 24.9 | 24.7 | 24.9 | 25.4 | 25.7 | 26.2 | 25.4 | 25.4 | 25.4 |
| Average temperature (°C) | 21.3 | 21.3 | 21.5 | 21.3 | 21.5 | 21.4 | 21.5 | 21.3 | 21.7 | 21.4 | 21.5 | 21.7 |
| Average night temperature (°C) | 18.9 | 19.3 | 19.0 | 19.0 | 19.4 | 19.3 | 19.3 | 18.9 | 19.0 | 19.1 | 19.2 | 19.4 |
| Absolute minimum temperature (°C) | 18.0 | 18.4 | 17.7 | 17.4 | 18.2 | 18.1 | 18.5 | 17.9 | 16.8 | 17.6 | 17.6 | 18.7 |
| 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 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.4 | 12.3 | 12.1 | 12.0 | 11.9 | 11.8 | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.4 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 7.6 | 6.0 | 8.0 | 7.1 | 6.8 | 8.4 | 9.3 | 9.8 | 10.2 | 8.9 | 9.1 | 7.6 |
| Precipitation (mm) | 289 | 410 | 403 | 341 | 428 | 159 | 185 | 126 | 105 | 381 | 282 | 454 |
| Sunny days | 1 | 0 | 0 | 0 | 0 | 2 | 2 | 3 | 3 | 0 | 1 | 0 |
| Rainy days | 30 | 28 | 31 | 30 | 31 | 28 | 29 | 28 | 27 | 31 | 29 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bai is at