Average annual temperature is 28.2 °C
Absolute maximum temperature: 41.8 °C
Absolute minimum temperature: 15.6 °C
Number of sunny days: 229 days
Number of rainy days: 136 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) | 37.9 | 39.1 | 40.8 | 41.8 | 41.5 | 40.5 | 34.7 | 33.0 | 32.5 | 33.7 | 35.0 | 34.5 |
| Average daytime temperature (°C) | 33.5 | 37.3 | 38.6 | 39.3 | 38.8 | 34.7 | 31.3 | 30.3 | 30.6 | 31.7 | 33.2 | 32.6 |
| Average temperature (°C) | 25.8 | 29.2 | 30.5 | 32.1 | 32.3 | 29.5 | 27.0 | 26.3 | 26.4 | 27.2 | 26.5 | 25.2 |
| Average night temperature (°C) | 19.2 | 21.3 | 22.4 | 25.0 | 26.8 | 25.3 | 24.2 | 23.6 | 23.4 | 23.7 | 20.2 | 18.5 |
| Absolute minimum temperature (°C) | 16.5 | 18.5 | 19.9 | 23.1 | 23.3 | 24.0 | 23.1 | 22.6 | 22.5 | 22.6 | 15.7 | 15.6 |
| 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 | 10.4 | 10.6 | 10.7 | 9.7 | 9.2 | 8.2 | 7.9 | 8.3 | 9.3 | 10.3 | 9.9 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 13 | 112 | 176 | 352 | 344 | 119 | 0 | 0 |
| Sunny days | 31 | 28 | 31 | 30 | 23 | 11 | 2 | 2 | 1 | 10 | 30 | 30 |
| Rainy days | 0 | 0 | 0 | 0 | 8 | 19 | 29 | 29 | 29 | 21 | 0 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sinchã Ussumane is at