Average annual temperature is 27.1 °C
Absolute maximum temperature: 41.5 °C
Absolute minimum temperature: 17.1 °C
Number of sunny days: 228 days
Number of rainy days: 137 days
Look at detailed online map of Cacheu
* Weather data for Cacheu 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 | 39.0 | 41.5 | 41.0 | 38.6 | 36.0 | 32.7 | 31.9 | 33.5 | 34.0 | 36.1 | 37.6 |
| Average daytime temperature (°C) | 32.5 | 36.3 | 35.7 | 36.5 | 34.8 | 32.4 | 30.4 | 29.6 | 31.2 | 32.1 | 34.2 | 34.8 |
| Average temperature (°C) | 24.7 | 27.3 | 26.9 | 28.2 | 28.5 | 28.2 | 26.9 | 26.3 | 26.9 | 27.6 | 27.4 | 26.6 |
| Average night temperature (°C) | 19.4 | 21.2 | 21.5 | 23.1 | 24.7 | 25.6 | 24.4 | 24.1 | 24.2 | 24.6 | 22.1 | 20.3 |
| Absolute minimum temperature (°C) | 17.1 | 19.7 | 19.9 | 21.1 | 22.2 | 24.3 | 23.1 | 22.9 | 22.7 | 23.4 | 18.9 | 17.5 |
| 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 | 12.8 | 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 | 10.1 | 9.5 | 7.9 | 6.4 | 7.9 | 8.9 | 10.1 | 9.8 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 5 | 81 | 262 | 394 | 238 | 116 | 7 | 0 |
| Sunny days | 31 | 28 | 31 | 30 | 28 | 11 | 0 | 2 | 0 | 10 | 26 | 31 |
| Rainy days | 0 | 0 | 0 | 0 | 3 | 19 | 31 | 29 | 30 | 21 | 4 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Cacheu is at