Average annual temperature is 27.9 °C
Absolute maximum temperature: 41.1 °C
Absolute minimum temperature: 15.1 °C
Number of sunny days: 217 days
Number of rainy days: 148 days
Look at detailed online map of Bissan
* Weather data for Bissan Guinea is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 39.0 | 39.8 | 40.7 | 41.1 | 40.0 | 38.4 | 33.3 | 32.6 | 32.7 | 33.6 | 35.5 | 34.8 |
| Average daytime temperature (°C) | 34.9 | 37.6 | 38.3 | 38.9 | 37.5 | 33.8 | 30.9 | 30.3 | 30.7 | 31.9 | 33.7 | 33.1 |
| Average temperature (°C) | 26.2 | 29.2 | 30.3 | 31.8 | 31.3 | 28.8 | 26.5 | 26.0 | 26.2 | 27.0 | 26.8 | 24.9 |
| Average night temperature (°C) | 19.0 | 21.3 | 22.6 | 25.0 | 26.3 | 25.0 | 23.6 | 23.3 | 23.2 | 23.5 | 20.5 | 18.1 |
| Absolute minimum temperature (°C) | 16.2 | 19.2 | 20.5 | 23.5 | 23.5 | 23.6 | 22.8 | 21.9 | 22.1 | 22.8 | 16.8 | 15.1 |
| 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 | 10.3 | 10.5 | 10.8 | 9.2 | 9.1 | 7.8 | 7.7 | 8.1 | 9.5 | 10.4 | 10.0 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 23 | 127 | 260 | 410 | 380 | 147 | 0 | 2 |
| Sunny days | 31 | 28 | 31 | 30 | 19 | 8 | 2 | 0 | 2 | 8 | 28 | 30 |
| Rainy days | 0 | 0 | 0 | 0 | 12 | 22 | 29 | 31 | 28 | 23 | 2 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bissan is at