Average annual temperature is 26.7 °C
Absolute maximum temperature: 38.5 °C
Absolute minimum temperature: 17.9 °C
Number of sunny days: 218 days
Number of rainy days: 147 days
Look at detailed online map of Cassaca
* Weather data for Cassaca 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) | 36.3 | 35.7 | 37.1 | 38.5 | 34.1 | 32.6 | 31.0 | 30.6 | 31.4 | 32.9 | 35.4 | 36.0 |
| Average daytime temperature (°C) | 31.5 | 32.7 | 30.3 | 31.5 | 31.0 | 30.3 | 29.2 | 28.7 | 29.8 | 30.7 | 32.7 | 32.9 |
| Average temperature (°C) | 24.8 | 25.6 | 25.6 | 26.7 | 27.5 | 28.0 | 27.0 | 26.5 | 27.1 | 27.7 | 27.6 | 26.1 |
| Average night temperature (°C) | 20.2 | 21.1 | 22.3 | 23.4 | 25.1 | 26.3 | 24.9 | 24.7 | 24.8 | 25.2 | 23.4 | 21.1 |
| Absolute minimum temperature (°C) | 18.2 | 19.8 | 20.6 | 22.0 | 23.0 | 24.8 | 23.4 | 23.5 | 22.9 | 23.4 | 19.2 | 17.9 |
| 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 | 11.8 | 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) | 9.9 | 10.7 | 10.9 | 11.2 | 10.0 | 9.2 | 8.3 | 7.2 | 8.7 | 9.3 | 10.2 | 9.7 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 46 | 325 | 428 | 273 | 152 | 2 | 0 |
| Sunny days | 30 | 28 | 31 | 30 | 27 | 13 | 1 | 1 | 0 | 3 | 23 | 31 |
| Rainy days | 1 | 0 | 0 | 0 | 4 | 17 | 30 | 30 | 30 | 28 | 7 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Cassaca is at