Average annual temperature is 27.8 °C
Absolute maximum temperature: 41.2 °C
Absolute minimum temperature: 16.1 °C
Number of sunny days: 217 days
Number of rainy days: 148 days
Look at detailed online map of Sinchã Iaía
* Weather data for Sinchã Iaía 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) | 38.3 | 39.9 | 41.1 | 41.2 | 40.5 | 39.0 | 33.5 | 33.5 | 33.1 | 33.8 | 35.1 | 34.5 |
| Average daytime temperature (°C) | 34.4 | 37.7 | 38.4 | 39.1 | 37.6 | 34.2 | 31.3 | 30.6 | 31.2 | 32.2 | 33.3 | 32.5 |
| Average temperature (°C) | 26.3 | 29.1 | 29.7 | 31.3 | 31.0 | 28.9 | 26.6 | 26.2 | 26.5 | 27.2 | 26.5 | 24.4 |
| Average night temperature (°C) | 19.6 | 21.5 | 22.2 | 24.5 | 26.1 | 25.2 | 23.8 | 23.5 | 23.5 | 23.7 | 20.6 | 18.1 |
| Absolute minimum temperature (°C) | 17.5 | 18.3 | 19.5 | 22.9 | 23.0 | 23.8 | 22.7 | 22.2 | 22.6 | 22.5 | 16.6 | 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 | 12.8 | 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 | 10.5 | 10.5 | 10.8 | 9.2 | 9.0 | 7.9 | 7.0 | 8.0 | 9.3 | 10.1 | 9.8 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 8 | 102 | 227 | 368 | 344 | 184 | 4 | 0 |
| Sunny days | 31 | 28 | 31 | 30 | 24 | 9 | 1 | 0 | 0 | 7 | 26 | 30 |
| Rainy days | 0 | 0 | 0 | 0 | 7 | 21 | 30 | 31 | 30 | 24 | 4 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sinchã Iaía is at