Average annual temperature is 28.1 °C
Absolute maximum temperature: 42.0 °C
Absolute minimum temperature: 10.6 °C
Number of sunny days: 308 days
Number of rainy days: 57 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 | 36.7 | 40.3 | 41.0 | 41.3 | 42.0 | 38.3 | 36.6 | 38.9 | 38.8 | 36.4 | 33.9 |
| Average daytime temperature (°C) | 29.0 | 31.1 | 36.2 | 38.6 | 39.8 | 36.6 | 35.1 | 33.0 | 36.1 | 36.5 | 34.3 | 28.8 |
| Average temperature (°C) | 21.3 | 23.6 | 28.8 | 31.8 | 33.8 | 31.0 | 29.9 | 28.1 | 29.9 | 30.2 | 27.5 | 21.3 |
| Average night temperature (°C) | 14.0 | 16.5 | 21.1 | 24.2 | 26.5 | 25.5 | 25.0 | 23.8 | 24.3 | 23.9 | 20.8 | 14.4 |
| Absolute minimum temperature (°C) | 10.6 | 13.4 | 17.9 | 19.5 | 21.1 | 22.6 | 23.3 | 22.0 | 22.5 | 20.1 | 16.4 | 11.1 |
| 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) | 11.4 | 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 | 10.0 | 10.7 | 10.8 | 10.3 | 10.1 | 9.5 | 10.6 | 10.1 | 10.0 | 10.4 |
| Precipitation (mm) | 0 | 0 | 1 | 0 | 0 | 13 | 16 | 57 | 26 | 1 | 1 | 0 |
| Sunny days | 31 | 28 | 29 | 30 | 31 | 21 | 20 | 14 | 16 | 29 | 28 | 31 |
| Rainy days | 0 | 0 | 2 | 0 | 0 | 9 | 11 | 17 | 14 | 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