Average annual temperature is 27.2 °C
Absolute maximum temperature: 41.2 °C
Absolute minimum temperature: 16.3 °C
Number of sunny days: 224 days
Number of rainy days: 141 days
Look at detailed online map of Bissussum
* Weather data for Bissussum 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) | 38.1 | 40.1 | 41.2 | 40.8 | 40.2 | 39.2 | 33.7 | 32.1 | 33.3 | 34.0 | 34.7 | 34.0 |
| Average daytime temperature (°C) | 33.2 | 36.9 | 37.4 | 38.0 | 37.0 | 33.9 | 30.5 | 29.8 | 31.0 | 31.8 | 32.8 | 32.2 |
| Average temperature (°C) | 25.2 | 28.1 | 27.9 | 29.5 | 29.7 | 28.6 | 26.6 | 26.0 | 26.6 | 27.2 | 26.4 | 24.4 |
| Average night temperature (°C) | 19.4 | 21.5 | 21.4 | 23.5 | 24.9 | 25.3 | 24.1 | 23.8 | 23.9 | 24.2 | 21.4 | 18.7 |
| Absolute minimum temperature (°C) | 16.9 | 20.0 | 20.0 | 20.9 | 21.9 | 23.7 | 22.8 | 22.7 | 22.3 | 23.1 | 16.6 | 16.3 |
| 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 | 11.7 | 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 | 10.7 | 10.8 | 11.0 | 9.9 | 9.3 | 8.0 | 6.9 | 7.9 | 8.8 | 10.2 | 9.8 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 2 | 74 | 279 | 413 | 236 | 143 | 8 | 0 |
| Sunny days | 31 | 28 | 31 | 29 | 26 | 10 | 1 | 1 | 0 | 9 | 27 | 31 |
| Rainy days | 0 | 0 | 0 | 1 | 5 | 20 | 30 | 30 | 30 | 22 | 3 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bissussum is at