Average annual temperature is 27.9 °C
Absolute maximum temperature: 42.0 °C
Absolute minimum temperature: 16.2 °C
Number of sunny days: 227 days
Number of rainy days: 138 days
Look at detailed online map of Biribão
* Weather data for Biribão Guinea-Bissau is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 39.0 | 40.3 | 41.6 | 42.0 | 40.9 | 39.5 | 34.2 | 33.7 | 33.2 | 33.5 | 35.2 | 35.3 |
| Average daytime temperature (°C) | 34.3 | 37.9 | 38.9 | 39.5 | 38.3 | 34.6 | 31.3 | 30.5 | 31.2 | 32.0 | 33.1 | 33.3 |
| Average temperature (°C) | 26.0 | 29.3 | 29.6 | 31.3 | 31.1 | 29.0 | 26.9 | 26.2 | 26.7 | 27.2 | 26.2 | 25.1 |
| Average night temperature (°C) | 19.4 | 21.8 | 21.8 | 24.5 | 25.9 | 25.3 | 24.1 | 23.7 | 23.8 | 23.9 | 20.4 | 18.5 |
| Absolute minimum temperature (°C) | 16.9 | 19.0 | 19.8 | 21.7 | 22.0 | 24.1 | 22.8 | 22.6 | 22.7 | 23.0 | 16.2 | 16.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.5 | 11.7 | 12.1 | 12.4 | 12.7 | 12.8 | 12.8 | 12.5 | 12.2 | 11.9 | 11.6 | 11.4 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.8 | 10.7 | 10.7 | 10.9 | 9.7 | 9.2 | 8.0 | 6.6 | 8.2 | 9.0 | 10.2 | 9.9 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 7 | 133 | 188 | 321 | 283 | 186 | 2 | 0 |
| Sunny days | 31 | 28 | 31 | 30 | 25 | 11 | 0 | 1 | 2 | 9 | 28 | 31 |
| Rainy days | 0 | 0 | 0 | 0 | 6 | 19 | 31 | 30 | 28 | 22 | 2 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Biribão is at