Average annual temperature is 27.7 °C
Absolute maximum temperature: 41.9 °C
Absolute minimum temperature: 10.1 °C
Number of sunny days: 310 days
Number of rainy days: 55 days
Look at detailed online map of Gao
* Weather data for Gao 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) | 35.5 | 37.1 | 39.9 | 41.1 | 41.4 | 41.9 | 37.6 | 37.9 | 38.8 | 38.4 | 36.7 | 34.0 |
| Average daytime temperature (°C) | 28.7 | 30.8 | 36.0 | 38.4 | 39.7 | 36.2 | 34.6 | 33.3 | 36.1 | 36.4 | 34.1 | 28.5 |
| Average temperature (°C) | 20.8 | 23.2 | 28.4 | 31.2 | 33.3 | 30.5 | 29.6 | 28.1 | 29.7 | 29.6 | 26.8 | 20.7 |
| Average night temperature (°C) | 13.3 | 16.0 | 20.7 | 23.6 | 26.0 | 25.2 | 24.9 | 23.6 | 24.0 | 23.1 | 20.0 | 13.6 |
| Absolute minimum temperature (°C) | 10.1 | 13.1 | 16.6 | 18.6 | 20.8 | 22.9 | 23.2 | 21.3 | 22.0 | 18.7 | 14.7 | 10.3 |
| 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) | 11.4 | 11.7 | 12.1 | 12.5 | 12.8 | 13.0 | 12.9 | 12.6 | 12.2 | 11.8 | 11.5 | 11.3 |
| 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) | 10.5 | 10.8 | 10.1 | 10.7 | 10.9 | 10.2 | 10.2 | 9.5 | 10.5 | 10.1 | 9.9 | 10.3 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 41 | 27 | 77 | 20 | 7 | 2 | 0 |
| Sunny days | 31 | 28 | 30 | 30 | 31 | 22 | 19 | 11 | 20 | 29 | 28 | 31 |
| Rainy days | 0 | 0 | 1 | 0 | 0 | 8 | 12 | 20 | 10 | 2 | 2 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Gao is at