Average annual temperature is 27.5 °C
Absolute maximum temperature: 40.5 °C
Absolute minimum temperature: 16.3 °C
Number of sunny days: 208 days
Number of rainy days: 157 days
Look at detailed online map of Sinchã Usso
* Weather data for Sinchã Usso 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) | 37.4 | 39.2 | 40.5 | 40.5 | 39.8 | 38.1 | 33.6 | 33.6 | 33.6 | 33.9 | 36.6 | 35.7 |
| Average daytime temperature (°C) | 33.6 | 37.1 | 37.8 | 38.6 | 36.8 | 33.7 | 30.9 | 30.5 | 31.3 | 32.2 | 33.9 | 33.3 |
| Average temperature (°C) | 25.6 | 28.5 | 29.0 | 30.5 | 30.3 | 28.3 | 26.3 | 25.9 | 26.4 | 27.0 | 27.1 | 25.3 |
| Average night temperature (°C) | 19.3 | 21.1 | 22.0 | 24.1 | 25.6 | 24.9 | 23.6 | 23.5 | 23.5 | 23.7 | 21.5 | 19.1 |
| Absolute minimum temperature (°C) | 17.5 | 18.2 | 19.6 | 22.6 | 22.6 | 23.2 | 22.9 | 22.6 | 22.7 | 22.5 | 18.1 | 16.3 |
| 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) | 9.9 | 10.3 | 10.5 | 10.9 | 9.1 | 8.7 | 8.0 | 6.8 | 7.7 | 9.1 | 10.1 | 9.8 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 18 | 128 | 304 | 393 | 363 | 234 | 6 | 0 |
| Sunny days | 31 | 28 | 31 | 30 | 18 | 9 | 1 | 1 | 0 | 4 | 25 | 30 |
| Rainy days | 0 | 0 | 0 | 0 | 13 | 21 | 30 | 30 | 30 | 27 | 5 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sinchã Usso is at