Average annual temperature is 30.3 °C
Absolute maximum temperature: 42.6 °C
Absolute minimum temperature: 18.2 °C
Number of sunny days: 261 days
Number of rainy days: 104 days
Look at detailed online map of Jammām
* Weather data for Jammām 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) | 38.4 | 41.0 | 41.9 | 42.6 | 42.0 | 38.5 | 39.5 | 40.1 | 39.5 | 41.0 | 40.3 | 38.7 |
| Average daytime temperature (°C) | 35.5 | 37.5 | 38.8 | 40.3 | 39.9 | 35.8 | 34.6 | 34.8 | 36.0 | 37.4 | 37.4 | 36.1 |
| Average temperature (°C) | 28.3 | 29.9 | 31.8 | 33.4 | 33.7 | 29.9 | 28.8 | 28.6 | 29.3 | 30.8 | 30.8 | 28.9 |
| Average night temperature (°C) | 21.4 | 22.5 | 24.4 | 26.2 | 27.7 | 24.9 | 23.9 | 23.7 | 23.9 | 25.2 | 24.6 | 21.8 |
| Absolute minimum temperature (°C) | 18.4 | 19.3 | 20.4 | 23.3 | 22.6 | 23.1 | 21.6 | 20.9 | 22.0 | 22.4 | 22.5 | 18.2 |
| 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) | 11.5 | 11.8 | 12.1 | 12.4 | 12.7 | 12.8 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.4 |
| 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) | 10.4 | 10.8 | 10.8 | 11.1 | 10.9 | 9.2 | 8.4 | 8.9 | 9.6 | 10.5 | 10.3 | 10.6 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 6 | 39 | 55 | 56 | 43 | 15 | 10 | 0 |
| Sunny days | 31 | 28 | 31 | 28 | 28 | 11 | 10 | 11 | 14 | 17 | 21 | 31 |
| Rainy days | 0 | 0 | 0 | 2 | 3 | 19 | 21 | 20 | 16 | 14 | 9 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Jammām is at