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 | 37 | 37 | 35 | 32 | 31 | 33 | 36 | 40 | 40 | 40 | 37 | 36 | 36 |
| Average temperature, °C | 30 | 30 | 27 | 24 | 23 | 24 | 27 | 30 | 32 | 32 | 30 | 29 | 28 |
| Average low, °C | 22 | 22 | 19 | 15 | 14 | 15 | 18 | 20 | 23 | 24 | 23 | 23 | 20 |
| 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. | 26 | 6 | 1 | 0 | 0 | 0 | 0 | 1 | 7 | 17 | 57 | 64 | 178 |
| Relative humidity, % | 47 | 39 | 42 | 47 | 48 | 42 | 35 | 29 | 28 | 33 | 47 | 52 | 41 |
| 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 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 8 | 9 | 7 | 7 |
| Day Length, часов | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 14 | 13 | 13 | 12 |
| Dew point, °C | 17 | 14 | 13 | 12 | 11 | 10 | 10 | 10 | 11 | 14 | 17 | 18 | 158 |
| Growing degree-day, °C | 588 | 605 | 510 | 425 | 394 | 396 | 530 | 600 | 670 | 660 | 620 | 595 | 6591 |
| Solar radiation, global, Mj/m2 | 23 | 21 | 19 | 18 | 19 | 21 | 23 | 25 | 25 | 25 | 24 | 23 | 22 |