Average annual temperature is 25.1 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: 18.8 °C
Number of sunny days: 9 days
Number of rainy days: 356 days
Look at detailed online map of Biros
* Weather data for Biros 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) | 33.4 | 33.7 | 32.7 | 32.2 | 32.2 | 31.0 | 31.1 | 31.7 | 31.7 | 32.1 | 32.3 | 32.1 |
| Average daytime temperature (°C) | 31.2 | 31.1 | 29.7 | 30.1 | 29.8 | 29.3 | 29.1 | 28.7 | 29.1 | 30.1 | 30.6 | 30.4 |
| Average temperature (°C) | 25.6 | 25.6 | 25.0 | 24.9 | 25.3 | 24.7 | 25.0 | 24.8 | 25.0 | 25.1 | 25.1 | 25.6 |
| Average night temperature (°C) | 22.2 | 22.6 | 22.1 | 21.7 | 22.7 | 22.2 | 22.5 | 22.7 | 22.4 | 22.2 | 21.9 | 22.7 |
| Absolute minimum temperature (°C) | 20.6 | 20.6 | 18.8 | 19.2 | 21.7 | 21.2 | 21.4 | 20.8 | 21.1 | 20.7 | 20.2 | 21.3 |
| 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) | 12.5 | 12.3 | 12.1 | 12.0 | 11.8 | 11.7 | 11.8 | 11.9 | 12.1 | 12.3 | 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) | 10.0 | 8.6 | 7.8 | 8.3 | 8.0 | 8.3 | 6.8 | 7.1 | 7.2 | 7.5 | 8.1 | 8.6 |
| Precipitation (mm) | 241 | 269 | 392 | 410 | 316 | 367 | 383 | 294 | 309 | 383 | 333 | 415 |
| Sunny days | 1 | 1 | 3 | 1 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 0 |
| Rainy days | 30 | 27 | 28 | 29 | 31 | 28 | 31 | 31 | 29 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |