Average annual temperature is 27.5 °C
Absolute maximum temperature: 40.8 °C
Absolute minimum temperature: 16.1 °C
Number of sunny days: 226 days
Number of rainy days: 139 days
Look at detailed online map of Boisanumã
* Weather data for Boisanumã 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) | 37.1 | 38.4 | 39.7 | 40.8 | 40.3 | 39.0 | 34.3 | 33.9 | 34.1 | 34.7 | 36.3 | 35.8 |
| Average daytime temperature (°C) | 33.3 | 36.8 | 37.6 | 38.6 | 37.2 | 34.2 | 31.2 | 31.0 | 31.7 | 32.8 | 34.3 | 33.2 |
| Average temperature (°C) | 25.2 | 27.9 | 28.6 | 30.4 | 30.4 | 28.7 | 26.6 | 26.1 | 26.6 | 27.3 | 26.9 | 25.0 |
| Average night temperature (°C) | 19.0 | 20.8 | 21.5 | 23.8 | 25.4 | 25.0 | 23.8 | 23.5 | 23.5 | 23.8 | 21.0 | 18.7 |
| Absolute minimum temperature (°C) | 16.9 | 18.3 | 19.4 | 21.7 | 22.6 | 24.0 | 22.8 | 22.1 | 22.4 | 22.7 | 17.0 | 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) | 9.9 | 10.5 | 10.6 | 10.9 | 9.5 | 8.9 | 7.6 | 6.4 | 8.0 | 8.9 | 10.0 | 9.8 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 5 | 97 | 224 | 381 | 365 | 176 | 1 | 0 |
| Sunny days | 31 | 28 | 31 | 29 | 26 | 12 | 0 | 1 | 1 | 10 | 27 | 30 |
| Rainy days | 0 | 0 | 0 | 1 | 5 | 18 | 31 | 30 | 29 | 21 | 3 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Boisanumã is at