Average annual temperature is 31.7 °C
Absolute maximum temperature: 46.5 °C
Absolute minimum temperature: 14.6 °C
Number of sunny days: 314 days
Number of rainy days: 51 days
Look at detailed online map of Séyyène
* Weather data for Séyyène Mauritania is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 37.7 | 40.1 | 42.2 | 43.8 | 45.0 | 46.5 | 40.9 | 40.3 | 42.0 | 42.9 | 41.8 | 38.2 |
| Average daytime temperature (°C) | 33.1 | 36.1 | 39.3 | 40.1 | 42.3 | 41.6 | 36.9 | 34.7 | 37.3 | 39.9 | 37.7 | 34.1 |
| Average temperature (°C) | 26.3 | 29.2 | 32.2 | 33.8 | 36.5 | 36.1 | 32.1 | 30.1 | 32.0 | 34.2 | 30.7 | 27.0 |
| Average night temperature (°C) | 20.1 | 22.6 | 24.8 | 26.8 | 30.3 | 30.0 | 27.3 | 25.8 | 26.9 | 28.0 | 23.6 | 20.7 |
| Absolute minimum temperature (°C) | 15.3 | 17.8 | 21.4 | 23.4 | 25.0 | 26.2 | 24.8 | 22.9 | 24.4 | 24.3 | 19.3 | 14.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 | 13.0 | 12.7 | 12.2 | 11.8 | 11.4 | 11.2 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.1 | 9.9 | 10.4 | 10.9 | 10.6 | 10.6 | 10.2 | 9.5 | 9.8 | 10.3 | 10.4 | 9.8 |
| Precipitation (mm) | 0 | 0 | 0 | 1 | 1 | 0 | 51 | 99 | 43 | 1 | 0 | 0 |
| Sunny days | 31 | 28 | 31 | 27 | 30 | 29 | 21 | 14 | 13 | 29 | 30 | 31 |
| Rainy days | 0 | 0 | 0 | 3 | 1 | 1 | 10 | 17 | 17 | 2 | 0 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Séyyène is at