Average annual temperature is 30.2 °C
Absolute maximum temperature: 45.6 °C
Absolute minimum temperature: 14.4 °C
Number of sunny days: 287 days
Number of rainy days: 78 days
Look at detailed online map of Seï Hamar
* Weather data for Seï Hamar 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) | 36.3 | 39.5 | 41.6 | 43.0 | 45.3 | 45.6 | 37.9 | 37.9 | 37.7 | 39.0 | 38.6 | 38.3 |
| Average daytime temperature (°C) | 32.0 | 36.3 | 39.0 | 40.4 | 41.4 | 39.8 | 34.1 | 33.3 | 33.8 | 36.4 | 36.4 | 34.0 |
| Average temperature (°C) | 24.4 | 28.6 | 31.6 | 33.7 | 35.9 | 34.1 | 29.8 | 29.3 | 29.3 | 30.6 | 28.7 | 26.3 |
| Average night temperature (°C) | 18.3 | 21.9 | 24.6 | 27.0 | 30.4 | 28.8 | 26.0 | 25.8 | 25.5 | 25.7 | 21.9 | 20.0 |
| Absolute minimum temperature (°C) | 14.4 | 17.0 | 20.7 | 22.6 | 26.6 | 25.5 | 23.9 | 22.8 | 23.3 | 21.2 | 18.3 | 14.8 |
| 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 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.7 | 12.1 | 12.5 | 12.8 | 13.0 | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 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) | 9.6 | 10.1 | 10.5 | 10.7 | 10.0 | 10.4 | 9.9 | 8.9 | 9.8 | 10.3 | 10.6 | 9.9 |
| Precipitation (mm) | 0 | 0 | 0 | 1 | 1 | 73 | 81 | 95 | 186 | 24 | 0 | 0 |
| Sunny days | 31 | 28 | 31 | 27 | 28 | 21 | 15 | 12 | 13 | 20 | 30 | 31 |
| Rainy days | 0 | 0 | 0 | 3 | 3 | 9 | 16 | 19 | 17 | 11 | 0 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Seï Hamar is at