Khartoum
Sudan
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 41 | 41 | 40 | 41 | 42 | 41 | 43 | 45 | 45 | 47 | 42 | 41 | 47 |
| Average high, °C | 33 | 35 | 33 | 31 | 30 | 31 | 34 | 37 | 37 | 36 | 32 | 31 | 33 |
| Average temperature, °C | 30 | 32 | 30 | 27 | 26 | 27 | 30 | 33 | 33 | 32 | 30 | 29 | 30 |
| Average low, °C | 27 | 28 | 27 | 23 | 22 | 23 | 26 | 29 | 30 | 30 | 28 | 26 | 27 |
| Record low, °C | 21 | 18 | 13 | 13 | 12 | 10 | 13 | 13 | 20 | 18 | 22 | 20 | 10 |
| Rain, days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 4 | 4 | 13 |
| Thunderstorms, days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 3 | 9 |
| Average precipitation, mm. | 50 | 12 | 2 | 0 | 0 | 0 | 0 | 3 | 14 | 41 | 109 | 110 | 341 |
| Relative humidity, % | 55 | 44 | 42 | 45 | 45 | 40 | 34 | 29 | 33 | 41 | 56 | 61 | 44 |
| Relative humidity morning, % | 71 | 0 | 60 | 56 | 59 | 48 | 48 | 37 | 44 | 48 | 65 | 71 | 51 |
| Relative humidity evening, % | 40 | 0 | 27 | 30 | 29 | 22 | 19 | 18 | 23 | 25 | 38 | 43 | 26 |
| Wind speed, km/h | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 6 | 8 | 12 | 14 | 9 | 9 |
| Day Length, часов | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 |
| Dew point, °C | 18 | 0 | 13 | 12 | 11 | 8 | 9 | 9 | 12 | 15 | 18 | 19 | 144 |
| Growing degree-day, °C | 600 | 620 | 600 | 543 | 499 | 487 | 620 | 600 | 620 | 600 | 620 | 594 | 7003 |
| Solar radiation, global, Mj/m2 | 23 | 21 | 20 | 19 | 19 | 22 | 23 | 25 | 24 | 24 | 23 | 23 | 22 |