Average annual temperature is 27.0 °C
Absolute maximum temperature: 40.6 °C
Absolute minimum temperature: 16.1 °C
Number of sunny days: 218 days
Number of rainy days: 147 days
Look at detailed online map of Ussou
* Weather data for Ussou 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 | 40.6 | 40.0 | 39.7 | 38.1 | 33.5 | 32.3 | 33.3 | 34.1 | 35.6 | 35.1 |
| Average daytime temperature (°C) | 32.7 | 36.3 | 36.8 | 37.5 | 36.9 | 34.0 | 30.7 | 30.0 | 31.3 | 32.2 | 33.8 | 33.2 |
| Average temperature (°C) | 24.7 | 27.3 | 27.1 | 28.8 | 29.2 | 28.4 | 26.5 | 25.9 | 26.6 | 27.2 | 26.8 | 25.1 |
| Average night temperature (°C) | 19.0 | 20.7 | 20.5 | 22.6 | 24.2 | 24.9 | 23.9 | 23.5 | 23.7 | 24.0 | 21.5 | 19.2 |
| Absolute minimum temperature (°C) | 16.1 | 18.8 | 18.3 | 20.3 | 21.2 | 23.6 | 22.5 | 22.6 | 22.3 | 22.9 | 17.2 | 16.6 |
| 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) | 9.9 | 10.7 | 10.8 | 11.1 | 9.9 | 9.3 | 8.0 | 6.8 | 8.0 | 9.1 | 10.2 | 9.8 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 3 | 102 | 339 | 479 | 295 | 113 | 6 | 0 |
| Sunny days | 30 | 28 | 31 | 30 | 27 | 11 | 0 | 1 | 0 | 5 | 25 | 30 |
| Rainy days | 1 | 0 | 0 | 0 | 4 | 19 | 31 | 30 | 30 | 26 | 5 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ussou is at