Average annual temperature is 27.3 °C
Absolute maximum temperature: 40.1 °C
Absolute minimum temperature: 17.7 °C
Number of sunny days: 213 days
Number of rainy days: 152 days
Look at detailed online map of Umbã
* Weather data for Umbã 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) | 37.1 | 38.8 | 39.5 | 40.1 | 38.7 | 36.3 | 32.8 | 32.7 | 33.2 | 33.5 | 35.6 | 36.7 |
| Average daytime temperature (°C) | 32.8 | 36.0 | 36.1 | 36.9 | 35.3 | 32.7 | 30.5 | 30.1 | 31.2 | 32.0 | 33.5 | 33.9 |
| Average temperature (°C) | 25.3 | 27.9 | 28.1 | 29.6 | 29.5 | 28.4 | 26.5 | 26.1 | 26.6 | 27.1 | 27.1 | 26.1 |
| Average night temperature (°C) | 20.1 | 21.7 | 22.5 | 24.4 | 25.8 | 25.7 | 23.9 | 23.8 | 23.8 | 24.1 | 21.7 | 19.9 |
| Absolute minimum temperature (°C) | 18.0 | 19.4 | 21.0 | 22.1 | 23.3 | 24.4 | 22.4 | 22.3 | 22.7 | 23.0 | 18.1 | 17.7 |
| 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) | 10.1 | 10.6 | 10.7 | 10.9 | 9.2 | 9.1 | 7.7 | 7.1 | 8.3 | 8.5 | 10.1 | 9.8 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 3 | 98 | 343 | 430 | 340 | 204 | 8 | 0 |
| Sunny days | 31 | 28 | 31 | 30 | 23 | 10 | 1 | 0 | 0 | 4 | 24 | 31 |
| Rainy days | 0 | 0 | 0 | 0 | 8 | 20 | 30 | 31 | 30 | 27 | 6 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Umbã is at