Average annual temperature is 26.9 °C
Absolute maximum temperature: 39.9 °C
Absolute minimum temperature: 16.2 °C
Number of sunny days: 198 days
Number of rainy days: 167 days
Look at detailed online map of Birã
* Weather data for Birã 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) | 35.8 | 37.3 | 39.0 | 39.9 | 38.3 | 37.7 | 33.1 | 33.1 | 33.6 | 33.3 | 36.1 | 35.7 |
| Average daytime temperature (°C) | 33.3 | 35.2 | 36.1 | 37.5 | 35.7 | 33.2 | 30.4 | 30.2 | 31.2 | 31.9 | 33.6 | 33.1 |
| Average temperature (°C) | 25.1 | 26.6 | 27.5 | 29.4 | 29.3 | 27.8 | 25.8 | 25.7 | 26.1 | 26.6 | 27.0 | 25.4 |
| Average night temperature (°C) | 19.0 | 19.8 | 21.5 | 23.4 | 25.0 | 24.5 | 23.3 | 23.3 | 23.3 | 23.6 | 22.0 | 19.4 |
| Absolute minimum temperature (°C) | 17.3 | 18.7 | 19.9 | 21.2 | 22.4 | 23.6 | 22.2 | 22.7 | 22.6 | 22.5 | 19.0 | 16.2 |
| 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 | 11.8 | 12.1 | 12.4 | 12.7 | 12.8 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.5 |
| 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) | 9.9 | 10.4 | 10.5 | 10.8 | 9.0 | 8.3 | 7.8 | 6.6 | 7.9 | 8.4 | 9.9 | 9.7 |
| Precipitation (mm) | 0 | 0 | 1 | 0 | 19 | 105 | 329 | 446 | 342 | 215 | 13 | 0 |
| Sunny days | 31 | 28 | 30 | 30 | 12 | 7 | 1 | 1 | 2 | 2 | 23 | 31 |
| Rainy days | 0 | 0 | 1 | 0 | 19 | 23 | 30 | 30 | 28 | 29 | 7 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Birã is at