Average annual temperature is 26.9 °C
Absolute maximum temperature: 41.3 °C
Absolute minimum temperature: 17.6 °C
Number of sunny days: 226 days
Number of rainy days: 139 days
Look at detailed online map of Cacheu Sector
* Weather data for Cacheu Sector 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) | 37.9 | 40.4 | 41.3 | 40.4 | 38.1 | 34.2 | 31.9 | 31.5 | 32.7 | 33.7 | 36.2 | 37.6 |
| Average daytime temperature (°C) | 32.8 | 36.2 | 34.2 | 35.2 | 33.5 | 31.5 | 29.7 | 29.3 | 30.8 | 31.6 | 33.9 | 34.6 |
| Average temperature (°C) | 24.9 | 26.7 | 26.2 | 27.5 | 27.9 | 28.0 | 26.8 | 26.2 | 26.8 | 27.6 | 27.6 | 26.6 |
| Average night temperature (°C) | 19.6 | 21.1 | 21.4 | 23.0 | 24.5 | 25.7 | 24.6 | 24.2 | 24.2 | 24.9 | 23.0 | 20.7 |
| Absolute minimum temperature (°C) | 17.6 | 19.9 | 19.8 | 21.1 | 21.8 | 24.2 | 23.2 | 22.9 | 22.5 | 23.2 | 20.1 | 17.8 |
| 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 | 10.8 | 10.8 | 11.2 | 10.2 | 9.2 | 8.0 | 6.6 | 8.1 | 9.1 | 10.1 | 9.8 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 99 | 328 | 370 | 297 | 125 | 6 | 0 |
| Sunny days | 31 | 28 | 31 | 30 | 28 | 13 | 0 | 1 | 0 | 9 | 24 | 31 |
| Rainy days | 0 | 0 | 0 | 0 | 3 | 17 | 31 | 30 | 30 | 22 | 6 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Cacheu Sector is at