Average annual temperature is 27.5 °C
Absolute maximum temperature: 41.0 °C
Absolute minimum temperature: 15.7 °C
Number of sunny days: 230 days
Number of rainy days: 135 days
Look at detailed online map of Barro Grande
* Weather data for Barro Grande 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) | 37.3 | 39.1 | 40.4 | 41.0 | 39.4 | 39.2 | 34.1 | 32.8 | 33.3 | 33.6 | 34.9 | 34.9 |
| Average daytime temperature (°C) | 32.8 | 36.4 | 37.6 | 38.3 | 37.7 | 34.7 | 31.1 | 30.2 | 31.1 | 32.0 | 32.9 | 32.9 |
| Average temperature (°C) | 25.0 | 28.1 | 28.5 | 30.2 | 30.4 | 29.0 | 26.8 | 26.1 | 26.7 | 27.3 | 26.4 | 25.2 |
| Average night temperature (°C) | 19.0 | 21.3 | 21.1 | 23.6 | 25.2 | 25.2 | 24.0 | 23.7 | 23.9 | 23.9 | 21.0 | 19.0 |
| Absolute minimum temperature (°C) | 15.7 | 18.9 | 18.9 | 21.3 | 21.4 | 23.7 | 22.7 | 22.1 | 22.7 | 22.9 | 16.3 | 16.9 |
| 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) | 9.8 | 10.7 | 10.8 | 10.9 | 9.8 | 9.4 | 8.1 | 6.5 | 8.3 | 9.1 | 10.2 | 9.8 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 4 | 89 | 181 | 323 | 238 | 132 | 2 | 0 |
| Sunny days | 31 | 28 | 31 | 30 | 25 | 11 | 1 | 1 | 2 | 11 | 28 | 31 |
| Rainy days | 0 | 0 | 0 | 0 | 6 | 19 | 30 | 30 | 28 | 20 | 2 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Barro Grande is at