Average annual temperature is 27.5 °C
Absolute maximum temperature: 40.8 °C
Absolute minimum temperature: 16.1 °C
Number of sunny days: 215 days
Number of rainy days: 150 days
Look at detailed online map of Umaro Cossé
* Weather data for Umaro Cossé 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) | 36.9 | 39.4 | 40.8 | 40.6 | 39.7 | 38.4 | 33.4 | 33.4 | 33.4 | 33.7 | 36.1 | 35.3 |
| Average daytime temperature (°C) | 33.3 | 37.0 | 37.9 | 38.6 | 36.8 | 33.7 | 30.9 | 30.4 | 31.2 | 32.1 | 33.7 | 33.1 |
| Average temperature (°C) | 25.3 | 28.4 | 29.1 | 30.7 | 30.3 | 28.4 | 26.3 | 25.9 | 26.3 | 26.9 | 27.0 | 25.1 |
| Average night temperature (°C) | 19.0 | 21.1 | 22.0 | 24.2 | 25.7 | 24.9 | 23.6 | 23.4 | 23.4 | 23.7 | 21.3 | 18.9 |
| Absolute minimum temperature (°C) | 17.2 | 18.1 | 19.4 | 22.6 | 22.7 | 23.3 | 22.7 | 22.5 | 22.6 | 22.3 | 18.0 | 16.1 |
| 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 | 12.7 | 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 | 10.3 | 10.5 | 10.9 | 9.1 | 8.6 | 7.8 | 6.7 | 7.6 | 9.1 | 10.1 | 9.8 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 14 | 119 | 285 | 389 | 350 | 188 | 4 | 0 |
| Sunny days | 31 | 28 | 31 | 30 | 22 | 9 | 1 | 1 | 1 | 5 | 26 | 30 |
| Rainy days | 0 | 0 | 0 | 0 | 9 | 21 | 30 | 30 | 29 | 26 | 4 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Umaro Cossé is at