Average annual temperature is 28.7 °C
Absolute maximum temperature: 42.2 °C
Absolute minimum temperature: 12.9 °C
Number of sunny days: 268 days
Number of rainy days: 97 days
Look at detailed online map of Diétou
* Weather data for Diétou Mali is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 37.3 | 38.8 | 40.4 | 41.5 | 42.2 | 41.7 | 35.0 | 34.4 | 37.4 | 38.0 | 37.7 | 36.9 |
| Average daytime temperature (°C) | 33.2 | 36.2 | 38.5 | 39.1 | 38.9 | 36.1 | 32.7 | 30.3 | 32.2 | 35.7 | 36.1 | 32.8 |
| Average temperature (°C) | 25.4 | 28.3 | 31.0 | 32.2 | 32.5 | 30.5 | 27.8 | 26.3 | 27.3 | 29.7 | 28.8 | 25.1 |
| Average night temperature (°C) | 18.3 | 20.9 | 23.8 | 25.3 | 26.9 | 25.7 | 23.9 | 23.1 | 23.3 | 24.6 | 22.0 | 18.4 |
| Absolute minimum temperature (°C) | 14.0 | 17.7 | 21.3 | 22.4 | 22.9 | 22.4 | 22.2 | 21.6 | 22.0 | 22.4 | 18.1 | 12.9 |
| 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 | 12.4 | 12.8 | 12.9 | 12.8 | 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) | 10.6 | 10.5 | 10.6 | 10.5 | 8.8 | 9.8 | 9.5 | 8.3 | 10.0 | 10.2 | 10.5 | 10.4 |
| Precipitation (mm) | 0 | 0 | 0 | 3 | 36 | 80 | 97 | 204 | 75 | 2 | 0 | 0 |
| Sunny days | 31 | 28 | 31 | 27 | 23 | 15 | 10 | 8 | 9 | 25 | 30 | 31 |
| Rainy days | 0 | 0 | 0 | 3 | 8 | 15 | 21 | 23 | 21 | 6 | 0 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Diétou is at