Average annual temperature is 26.6 °C
Absolute maximum temperature: 41.6 °C
Absolute minimum temperature: 16.7 °C
Number of sunny days: 225 days
Number of rainy days: 140 days
Look at detailed online map of Umuã
* Weather data for Umuã 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) | 37.5 | 39.8 | 41.6 | 40.6 | 38.5 | 35.0 | 32.1 | 31.8 | 33.0 | 33.5 | 36.0 | 36.7 |
| Average daytime temperature (°C) | 32.8 | 36.2 | 34.4 | 35.5 | 34.0 | 31.9 | 29.7 | 29.3 | 30.8 | 31.7 | 33.8 | 33.9 |
| Average temperature (°C) | 24.5 | 26.4 | 26.0 | 27.4 | 28.0 | 28.0 | 26.6 | 26.1 | 26.7 | 27.3 | 27.1 | 25.6 |
| Average night temperature (°C) | 18.7 | 20.3 | 20.5 | 22.3 | 24.2 | 25.4 | 24.2 | 23.9 | 23.9 | 24.3 | 22.1 | 19.7 |
| Absolute minimum temperature (°C) | 16.7 | 18.9 | 18.2 | 20.7 | 21.0 | 24.0 | 22.8 | 22.6 | 22.1 | 22.6 | 18.2 | 17.1 |
| 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 | 12.8 | 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 | 10.8 | 10.8 | 11.2 | 10.2 | 8.8 | 7.9 | 6.7 | 8.0 | 9.0 | 10.2 | 9.7 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 102 | 371 | 420 | 297 | 148 | 8 | 0 |
| Sunny days | 30 | 28 | 31 | 30 | 28 | 12 | 1 | 2 | 0 | 9 | 23 | 31 |
| Rainy days | 1 | 0 | 0 | 0 | 3 | 18 | 30 | 29 | 30 | 22 | 7 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Umuã is at