Average annual temperature is 29.8 °C
Absolute maximum temperature: 43.1 °C
Absolute minimum temperature: 13.6 °C
Number of sunny days: 325 days
Number of rainy days: 40 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) | 36.0 | 38.3 | 39.5 | 42.5 | 43.1 | 40.7 | 40.7 | 40.6 | 40.0 | 41.4 | 38.9 | 36.6 |
| Average daytime temperature (°C) | 30.7 | 32.0 | 35.7 | 39.2 | 40.4 | 37.8 | 37.9 | 36.2 | 38.0 | 38.7 | 36.5 | 31.7 |
| Average temperature (°C) | 23.2 | 24.6 | 28.6 | 32.0 | 33.5 | 32.3 | 32.2 | 30.6 | 32.1 | 32.8 | 30.6 | 24.5 |
| Average night temperature (°C) | 16.5 | 17.9 | 21.8 | 24.6 | 26.2 | 27.0 | 26.9 | 25.6 | 26.5 | 26.7 | 24.7 | 17.8 |
| Absolute minimum temperature (°C) | 13.6 | 14.5 | 18.4 | 19.4 | 23.2 | 24.8 | 23.8 | 22.5 | 24.7 | 24.4 | 20.5 | 14.1 |
| 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 | 12.4 | 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) | 10.3 | 10.7 | 10.8 | 11.6 | 11.6 | 10.3 | 10.5 | 8.7 | 10.1 | 10.6 | 10.6 | 10.2 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 2 | 15 | 16 | 48 | 2 | 0 | 0 | 0 |
| Sunny days | 31 | 28 | 31 | 30 | 30 | 23 | 20 | 18 | 23 | 30 | 30 | 31 |
| Rainy days | 0 | 0 | 0 | 0 | 1 | 7 | 11 | 13 | 7 | 1 | 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