Khartoum
Sudan
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Average high, °C | 36 | 38 | 35 | 32 | 31 | 33 | 37 | 40 | 41 | 39 | 36 | 34 | 36 |
| Average temperature, °C | 31 | 31 | 28 | 25 | 24 | 25 | 29 | 32 | 33 | 33 | 31 | 30 | 29 |
| Average low, °C | 23 | 24 | 21 | 17 | 16 | 17 | 20 | 22 | 25 | 25 | 23 | 23 | 21 |
| Average precipitation, mm. | 31 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 15 | 71 | 90 | 216 |
| Relative humidity, % | 49 | 37 | 29 | 33 | 30 | 24 | 20 | 19 | 24 | 34 | 50 | 57 | 34 |
| Wind speed, km/h | 8 | 7 | 9 | 9 | 9 | 10 | 10 | 9 | 9 | 10 | 10 | 9 | 9 |
| Day Length, часов | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 12 |
| Dew point, °C | 19 | 15 | 8 | 7 | 5 | 3 | 4 | 5 | 10 | 15 | 19 | 20 | 130 |
| Growing degree-day, °C | 615 | 657 | 537 | 453 | 419 | 429 | 577 | 648 | 719 | 687 | 645 | 608 | 6993 |
| Solar radiation, global, Mj/m2 | 22 | 21 | 19 | 18 | 20 | 22 | 24 | 26 | 24 | 24 | 22 | 22 | 22 |