Average annual temperature is 27.2 °C
Absolute maximum temperature: 38.5 °C
Absolute minimum temperature: 19.3 °C
Number of sunny days: 206 days
Number of rainy days: 159 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) | 36.5 | 37.9 | 37.7 | 38.5 | 31.9 | 32.0 | 30.1 | 29.9 | 30.8 | 32.7 | 36.3 | 36.8 |
| Average daytime temperature (°C) | 31.7 | 32.6 | 29.7 | 31.1 | 30.4 | 29.7 | 28.3 | 28.3 | 29.2 | 29.9 | 32.5 | 33.0 |
| Average temperature (°C) | 25.9 | 27.0 | 26.5 | 27.8 | 28.2 | 28.0 | 26.6 | 26.4 | 26.8 | 27.3 | 28.7 | 27.4 |
| Average night temperature (°C) | 21.8 | 23.2 | 23.9 | 25.5 | 26.5 | 26.6 | 24.9 | 24.8 | 25.0 | 25.3 | 25.6 | 22.9 |
| Absolute minimum temperature (°C) | 19.8 | 21.8 | 22.6 | 24.6 | 24.8 | 24.7 | 23.2 | 23.7 | 23.7 | 23.8 | 22.6 | 19.3 |
| 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 | 12.6 | 12.8 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.5 |
| 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 | 10.7 | 11.0 | 9.5 | 9.0 | 7.9 | 7.6 | 8.1 | 8.8 | 10.1 | 9.7 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 18 | 145 | 423 | 489 | 284 | 225 | 24 | 0 |
| Sunny days | 31 | 28 | 31 | 30 | 22 | 9 | 1 | 0 | 1 | 3 | 19 | 31 |
| Rainy days | 0 | 0 | 0 | 0 | 9 | 21 | 30 | 31 | 29 | 28 | 11 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Cassaca is at