Average annual temperature is 27.7 °C
Absolute maximum temperature: 41.4 °C
Absolute minimum temperature: 16.1 °C
Number of sunny days: 229 days
Number of rainy days: 136 days
Look at detailed online map of Sandamena
* Weather data for Sandamena 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 | 39.6 | 41.0 | 41.4 | 40.5 | 39.2 | 33.8 | 33.7 | 33.3 | 34.3 | 35.8 | 34.5 |
| Average daytime temperature (°C) | 33.2 | 37.5 | 38.6 | 39.4 | 37.9 | 34.3 | 31.3 | 30.8 | 31.4 | 32.5 | 33.7 | 32.4 |
| Average temperature (°C) | 25.4 | 28.8 | 29.5 | 31.1 | 31.0 | 28.8 | 26.7 | 26.1 | 26.6 | 27.3 | 26.9 | 24.9 |
| Average night temperature (°C) | 19.3 | 21.5 | 21.7 | 24.1 | 25.7 | 24.9 | 23.9 | 23.6 | 23.5 | 23.7 | 21.0 | 18.8 |
| Absolute minimum temperature (°C) | 17.1 | 18.5 | 19.9 | 21.8 | 22.3 | 23.9 | 22.9 | 22.4 | 22.5 | 22.6 | 16.6 | 16.1 |
| 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) | 10.0 | 10.5 | 10.6 | 10.9 | 9.6 | 9.3 | 8.1 | 7.0 | 8.2 | 9.3 | 10.1 | 9.8 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 3 | 83 | 231 | 315 | 330 | 174 | 0 | 0 |
| Sunny days | 31 | 28 | 31 | 30 | 26 | 11 | 1 | 1 | 2 | 8 | 29 | 31 |
| Rainy days | 0 | 0 | 0 | 0 | 5 | 19 | 30 | 30 | 28 | 23 | 1 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sandamena is at