Average annual temperature is 29.9 °C
Absolute maximum temperature: 44.4 °C
Absolute minimum temperature: 11.6 °C
Number of sunny days: 322 days
Number of rainy days: 43 days
Look at detailed online map of Bisao
* Weather data for Bisao Niger is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 36.0 | 37.7 | 40.6 | 41.9 | 44.4 | 43.0 | 41.0 | 39.7 | 42.3 | 40.2 | 38.3 | 36.6 |
| Average daytime temperature (°C) | 30.8 | 34.4 | 38.3 | 39.8 | 41.6 | 39.0 | 37.0 | 35.4 | 37.7 | 38.7 | 36.5 | 31.1 |
| Average temperature (°C) | 22.7 | 26.2 | 30.5 | 32.8 | 35.4 | 33.7 | 31.8 | 30.1 | 32.0 | 32.1 | 28.7 | 22.9 |
| Average night temperature (°C) | 15.0 | 18.3 | 22.4 | 25.1 | 28.9 | 28.4 | 26.9 | 25.2 | 26.6 | 24.2 | 20.0 | 15.1 |
| Absolute minimum temperature (°C) | 12.2 | 15.7 | 19.0 | 19.4 | 25.1 | 24.1 | 24.2 | 22.3 | 24.4 | 19.7 | 16.8 | 11.6 |
| 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 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.6 | 12.1 | 12.5 | 12.8 | 13.0 | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 11.2 |
| 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 | 10.1 | 9.9 | 10.6 | 10.6 | 10.5 | 9.6 | 9.9 | 10.7 | 10.7 | 10.5 | 10.1 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 7 | 20 | 91 | 17 | 0 | 0 | 0 |
| Sunny days | 31 | 28 | 31 | 30 | 30 | 26 | 21 | 15 | 19 | 30 | 30 | 31 |
| Rainy days | 0 | 0 | 0 | 0 | 1 | 4 | 10 | 16 | 11 | 1 | 0 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bisao is at