Average annual temperature is 27.0 °C
Absolute maximum temperature: 30.1 °C
Absolute minimum temperature: 23.6 °C
Number of sunny days: 41 days
Number of rainy days: 324 days
Look at detailed online map of Biwa
* Weather data for Biwa 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) | 30.0 | 30.0 | 30.1 | 29.5 | 29.2 | 28.8 | 28.0 | 26.8 | 27.2 | 27.5 | 28.1 | 29.4 |
| Average daytime temperature (°C) | 28.7 | 28.6 | 28.8 | 28.5 | 28.1 | 27.8 | 27.1 | 26.2 | 26.6 | 26.8 | 27.4 | 28.6 |
| Average temperature (°C) | 27.8 | 27.7 | 27.8 | 27.6 | 27.2 | 27.0 | 26.5 | 25.6 | 25.9 | 26.2 | 26.6 | 27.8 |
| Average night temperature (°C) | 26.7 | 26.7 | 26.7 | 26.2 | 26.1 | 26.0 | 25.6 | 24.9 | 25.1 | 25.3 | 25.6 | 26.9 |
| Absolute minimum temperature (°C) | 25.5 | 25.0 | 24.9 | 24.8 | 24.7 | 24.9 | 24.1 | 23.8 | 23.6 | 24.0 | 24.4 | 24.7 |
| 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 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.6 | 12.4 | 12.2 | 11.9 | 11.6 | 11.5 | 11.6 | 11.8 | 12.0 | 12.3 | 12.6 | 12.7 |
| 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) | 9.5 | 8.5 | 10.3 | 10.2 | 6.6 | 9.3 | 9.0 | 10.1 | 9.8 | 9.4 | 10.1 | 11.2 |
| Precipitation (mm) | 205 | 201 | 171 | 227 | 711 | 285 | 185 | 72 | 120 | 269 | 192 | 90 |
| Sunny days | 2 | 1 | 3 | 2 | 1 | 4 | 3 | 7 | 6 | 4 | 3 | 5 |
| Rainy days | 29 | 27 | 28 | 28 | 30 | 26 | 28 | 24 | 24 | 27 | 27 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Biwa is at