Climate averages 1991–2020
Khartoum weather
in May.
A very hot, very dry month: the warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a very hot month in Khartoum: daytime highs average 40.7°C and nights cool to about 26.5°C. By daytime temperature it is the warmest month of the year.
Expect about 3.2 mm of rain on roughly 1 day, which makes May a very dry month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 51 min on an average May day.
The nearest other city in this atlas is Al Manāqil (153 km away). In May its highs average 41.0°C, about as warm as Khartoum, with 13 mm of rain.
Among the 22 cities listed in Sudan, Khartoum ranks 5th of 22 for the warmest May highs and 4th of 22 for the driest May (rainfall, lowest first). The mean May high of those 22 cities is 38.9°C; Khartoum is 1.8°C warmer than that mean.
From May to June, average highs fall by 0.3°C to 40.4°C, and monthly rainfall falls from 3.2 mm to 3.1 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Khartoum climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.7°C15.1°C | 15.1°C | 0 | 0.0 | 11.311 h |
| February | 32.3°C16.9°C | 16.9°C | 0 | 0.0 | 11.612 h |
| March | 35.7°C19.7°C | 19.7°C | 0 | 0.0 | 12.012 h |
| April | 39.3°C23.4°C | 23.4°C | 0.2 | 0.1 | 12.512 h |
| May, selected | 40.7°C26.5°C | 26.5°C | 3.2 | 1.2 | 12.813 h |
| June | 40.4°C27.0°C | 27.0°C | 3.1 | 1.1 | 13.013 h |
| July | 37.7°C26.6°C | 26.6°C | 20 | 4.7 | 13.013 h |
| August | 37.0°C26.0°C | 26.0°C | 24 | 6.1 | 12.613 h |
| September | 38.6°C26.5°C | 26.5°C | 9.4 | 2.6 | 12.212 h |
| October | 38.3°C25.5°C | 25.5°C | 3.7 | 1.0 | 11.812 h |
| November | 34.4°C20.5°C | 20.5°C | 0.1 | 0.0 | 11.411 h |
| December | 30.8°C16.6°C | 16.6°C | 0 | 0.0 | 11.211 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Al Manāqil in MaySudan · 153 kmHigh 41.0°C · Low 27.5°C · 13 mm rain
- Wad Medani in MaySudan · 166 kmHigh 41.1°C · Low 27.5°C · 11 mm rain
- Ad Douiem in MaySudan · 174 kmHigh 39.3°C · Low 26.8°C · 9.1 mm rain
- Sennar in MaySudan · 247 kmHigh 40.4°C · Low 27.5°C · 18 mm rain
- Kosti in MaySudan · 266 kmHigh 39.7°C · Low 26.9°C · 15 mm rain
- Ad-Damir in MaySudan · 275 kmHigh 41.2°C · Low 25.9°C · 1.6 mm rain
- Atbara in MaySudan · 285 kmHigh 41.1°C · Low 26.2°C · 1.2 mm rain
- Singa in MaySudan · 307 kmHigh 39.7°C · Low 27.4°C · 22 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Khartoum) is explained once on the Khartoum year overview and on the Sources, method and limits page.