Average annual temperature is 29.6 °C
Absolute maximum temperature: 43.0 °C
Absolute minimum temperature: 13.6 °C
Number of sunny days: 333 days
Number of rainy days: 32 days
Look at detailed online map of Umm Sumaymah
* Weather data for Umm Sumaymah Sudan is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 35.8 | 38.1 | 39.5 | 42.6 | 43.0 | 40.9 | 40.9 | 40.6 | 40.4 | 41.3 | 39.0 | 36.6 |
| Average daytime temperature (°C) | 30.5 | 31.8 | 35.6 | 39.1 | 40.5 | 37.9 | 38.0 | 36.4 | 38.3 | 38.7 | 36.4 | 31.5 |
| Average temperature (°C) | 22.8 | 24.2 | 28.3 | 31.7 | 33.4 | 32.4 | 32.4 | 30.9 | 32.3 | 32.8 | 30.2 | 24.1 |
| Average night temperature (°C) | 16.1 | 17.5 | 21.5 | 24.4 | 26.1 | 27.2 | 27.1 | 25.9 | 26.7 | 26.8 | 24.3 | 17.6 |
| Absolute minimum temperature (°C) | 13.6 | 14.2 | 18.0 | 18.9 | 22.8 | 24.4 | 24.4 | 22.9 | 24.9 | 24.3 | 20.1 | 14.0 |
| 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 | 12.9 | 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) | 10.3 | 10.7 | 11.0 | 11.4 | 11.5 | 10.4 | 10.6 | 8.9 | 10.3 | 10.7 | 10.6 | 10.2 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 7 | 4 | 43 | 2 | 0 | 0 | 0 |
| Sunny days | 31 | 28 | 31 | 30 | 30 | 25 | 25 | 18 | 23 | 31 | 30 | 31 |
| Rainy days | 0 | 0 | 0 | 0 | 1 | 5 | 6 | 13 | 7 | 0 | 0 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Umm Sumaymah is at