Average annual temperature is 27.1 °C
Absolute maximum temperature: 40.2 °C
Absolute minimum temperature: 16.2 °C
Number of sunny days: 218 days
Number of rainy days: 147 days
Look at detailed online map of Bilma
* Weather data for Bilma 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) | 37.0 | 39.3 | 40.2 | 40.1 | 39.8 | 37.6 | 33.1 | 32.2 | 33.1 | 33.6 | 35.1 | 35.4 |
| Average daytime temperature (°C) | 33.1 | 36.3 | 35.7 | 36.8 | 35.6 | 33.1 | 30.2 | 29.7 | 30.8 | 31.7 | 32.9 | 33.3 |
| Average temperature (°C) | 24.9 | 27.5 | 27.3 | 29.0 | 29.3 | 28.4 | 26.6 | 26.1 | 26.7 | 27.3 | 26.5 | 25.3 |
| Average night temperature (°C) | 18.6 | 20.9 | 21.1 | 23.1 | 24.9 | 25.3 | 24.0 | 23.8 | 24.0 | 24.3 | 21.4 | 19.1 |
| Absolute minimum temperature (°C) | 16.2 | 19.4 | 19.8 | 21.0 | 21.8 | 23.7 | 22.6 | 22.5 | 22.3 | 23.3 | 16.8 | 16.5 |
| 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 | 12.7 | 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) | 10.0 | 10.7 | 10.8 | 11.0 | 9.7 | 9.2 | 8.1 | 7.0 | 8.1 | 8.7 | 10.2 | 9.8 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 1 | 84 | 311 | 441 | 269 | 150 | 9 | 0 |
| Sunny days | 31 | 28 | 31 | 30 | 27 | 11 | 0 | 1 | 0 | 4 | 25 | 30 |
| Rainy days | 0 | 0 | 0 | 0 | 4 | 19 | 31 | 30 | 30 | 27 | 5 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bilma is at