Average annual temperature is 27.4 °C
Absolute maximum temperature: 40.3 °C
Absolute minimum temperature: 16.1 °C
Number of sunny days: 219 days
Number of rainy days: 146 days
Look at detailed online map of Sejo
* Weather data for Sejo 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) | 37.0 | 39.1 | 40.2 | 40.3 | 39.4 | 38.7 | 33.9 | 33.5 | 33.2 | 33.8 | 35.6 | 35.2 |
| Average daytime temperature (°C) | 33.3 | 36.8 | 37.4 | 38.1 | 36.7 | 33.7 | 31.1 | 30.4 | 31.3 | 32.2 | 33.4 | 32.8 |
| Average temperature (°C) | 25.0 | 28.0 | 29.0 | 30.5 | 30.5 | 28.6 | 26.6 | 26.0 | 26.5 | 27.1 | 26.6 | 24.9 |
| Average night temperature (°C) | 18.4 | 20.4 | 21.7 | 23.9 | 25.8 | 25.1 | 23.8 | 23.5 | 23.5 | 23.7 | 20.8 | 18.5 |
| Absolute minimum temperature (°C) | 16.1 | 17.3 | 18.6 | 21.8 | 22.9 | 23.5 | 22.7 | 22.3 | 22.5 | 22.5 | 17.1 | 16.2 |
| 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 | 10.6 | 10.9 | 9.2 | 8.7 | 7.8 | 6.9 | 8.1 | 9.0 | 10.1 | 9.8 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 10 | 97 | 251 | 378 | 426 | 210 | 7 | 0 |
| Sunny days | 30 | 28 | 31 | 30 | 25 | 10 | 1 | 1 | 0 | 7 | 26 | 30 |
| Rainy days | 1 | 0 | 0 | 0 | 6 | 20 | 30 | 30 | 30 | 24 | 4 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sejo is at