Average annual temperature is 27.2 °C
Absolute maximum temperature: 40.4 °C
Absolute minimum temperature: 16.1 °C
Number of sunny days: 225 days
Number of rainy days: 140 days
Look at detailed online map of Biur
* Weather data for Biur 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) | 37.3 | 39.2 | 40.4 | 40.1 | 39.7 | 39.3 | 34.1 | 32.6 | 33.3 | 34.0 | 34.9 | 34.1 |
| Average daytime temperature (°C) | 32.9 | 36.3 | 37.2 | 37.9 | 37.3 | 34.4 | 30.8 | 30.1 | 31.2 | 32.1 | 33.0 | 32.3 |
| Average temperature (°C) | 24.8 | 27.7 | 27.8 | 29.5 | 29.9 | 28.8 | 26.7 | 26.1 | 26.8 | 27.4 | 26.5 | 24.6 |
| Average night temperature (°C) | 18.9 | 21.1 | 20.9 | 23.2 | 24.8 | 25.3 | 24.2 | 23.9 | 24.0 | 24.2 | 21.3 | 18.7 |
| Absolute minimum temperature (°C) | 16.1 | 19.4 | 19.2 | 20.9 | 21.6 | 23.8 | 22.7 | 22.6 | 22.6 | 23.0 | 16.6 | 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 | 11.7 | 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 | 10.8 | 11.0 | 9.9 | 9.3 | 8.0 | 6.6 | 7.7 | 9.0 | 10.2 | 9.8 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 3 | 80 | 232 | 378 | 236 | 138 | 6 | 0 |
| Sunny days | 30 | 28 | 30 | 30 | 26 | 11 | 0 | 1 | 1 | 9 | 28 | 31 |
| Rainy days | 1 | 0 | 1 | 0 | 5 | 19 | 31 | 30 | 29 | 22 | 2 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Biur is at