Average annual temperature is 27.6 °C
Absolute maximum temperature: 41.3 °C
Absolute minimum temperature: 16.1 °C
Number of sunny days: 207 days
Number of rainy days: 158 days
Look at detailed online map of Sinchã Mamajã
* Weather data for Sinchã Mamajã 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) | 37.6 | 39.9 | 41.3 | 41.1 | 39.5 | 38.5 | 33.5 | 33.4 | 33.5 | 34.0 | 35.7 | 34.7 |
| Average daytime temperature (°C) | 33.8 | 37.6 | 38.2 | 38.8 | 36.6 | 33.6 | 31.0 | 30.3 | 31.3 | 32.2 | 33.5 | 32.9 |
| Average temperature (°C) | 25.5 | 28.7 | 29.3 | 30.7 | 30.3 | 28.5 | 26.5 | 26.0 | 26.5 | 27.1 | 26.8 | 25.0 |
| Average night temperature (°C) | 18.9 | 21.2 | 22.1 | 24.2 | 25.8 | 25.1 | 23.8 | 23.6 | 23.6 | 23.8 | 21.1 | 18.7 |
| Absolute minimum temperature (°C) | 17.0 | 18.4 | 19.6 | 22.8 | 22.9 | 23.5 | 22.9 | 22.7 | 22.6 | 22.5 | 17.5 | 16.1 |
| 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 | 12.7 | 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) | 10.0 | 10.5 | 10.6 | 11.0 | 9.1 | 8.7 | 7.9 | 6.9 | 8.0 | 9.0 | 10.1 | 9.7 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 10 | 116 | 251 | 385 | 398 | 181 | 3 | 0 |
| Sunny days | 30 | 28 | 31 | 29 | 20 | 9 | 1 | 1 | 0 | 3 | 25 | 30 |
| Rainy days | 1 | 0 | 0 | 1 | 11 | 21 | 30 | 30 | 30 | 28 | 5 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sinchã Mamajã is at