Average annual temperature is 27.5 °C
Absolute maximum temperature: 39.8 °C
Absolute minimum temperature: 15.7 °C
Number of sunny days: 218 days
Number of rainy days: 147 days
Look at detailed online map of Sinchã Ussumane
* Weather data for Sinchã Ussumane 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) | 35.7 | 37.6 | 39.1 | 39.8 | 39.7 | 38.5 | 33.8 | 33.3 | 33.0 | 33.5 | 35.7 | 34.8 |
| Average daytime temperature (°C) | 32.7 | 35.6 | 36.8 | 37.9 | 37.1 | 34.1 | 31.3 | 30.6 | 31.2 | 32.2 | 33.5 | 33.0 |
| Average temperature (°C) | 25.0 | 27.2 | 28.5 | 30.5 | 30.8 | 28.9 | 26.6 | 26.2 | 26.5 | 27.3 | 26.9 | 25.3 |
| Average night temperature (°C) | 18.7 | 19.8 | 21.3 | 24.0 | 25.9 | 25.2 | 23.8 | 23.6 | 23.6 | 23.9 | 21.2 | 19.2 |
| Absolute minimum temperature (°C) | 15.7 | 16.8 | 18.7 | 21.8 | 22.8 | 23.9 | 22.9 | 22.7 | 22.7 | 22.5 | 18.1 | 16.7 |
| 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 | 11.7 | 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) | 10.0 | 10.3 | 10.5 | 10.8 | 9.6 | 8.9 | 8.1 | 7.1 | 8.3 | 9.2 | 10.2 | 9.9 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 10 | 109 | 247 | 375 | 337 | 217 | 2 | 1 |
| Sunny days | 31 | 28 | 31 | 30 | 20 | 10 | 1 | 1 | 1 | 7 | 28 | 30 |
| Rainy days | 0 | 0 | 0 | 0 | 11 | 20 | 30 | 30 | 29 | 24 | 2 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sinchã Ussumane is at