Climate averages 1991–2020
Al Kharj weather
in August.
A very hot, very dry month: the 2nd warmest and one of the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a very hot month in Al Kharj: daytime highs average 43.7°C and nights cool to about 27.1°C. By daytime temperature it is the 2nd warmest of the 12 months.
Rain is very rare: less than 1 mm falls in a typical August (one of the driest months of the year). Daylight, from sunrise to sunset, lasts about 12 h 58 min on an average August day.
The nearest other city in this atlas is Riyadh (86 km away). In August its highs average 42.5°C, 1.1°C cooler than Al Kharj, with almost no rain (under 1 mm).
Among the 35 cities listed in Saudi Arabia, Al Kharj ranks 3rd of 35 for the warmest August highs and joint 1st of 35 for the driest August (rainfall, lowest first). The mean August high of those 35 cities is 37.8°C; Al Kharj is 5.9°C warmer than that mean.
From August to September, average highs fall by 3.2°C to 40.5°C, and monthly rainfall stays under 1 mm.
The annual picture
August 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
Al Kharj climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 20.9°C7.9°C | 7.9°C | 8.3 | 2.1 | 10.811 h |
| February | 24.2°C10.0°C | 10.0°C | 7.1 | 1.4 | 11.311 h |
| March | 28.6°C14.1°C | 14.1°C | 8.5 | 1.8 | 12.012 h |
| April | 34.4°C19.4°C | 19.4°C | 11 | 1.9 | 12.713 h |
| May | 39.9°C24.2°C | 24.2°C | 1.1 | 0.3 | 13.313 h |
| June | 42.8°C25.9°C | 25.9°C | 0 | 0.0 | 13.614 h |
| July | 43.8°C27.4°C | 27.4°C | 0 | 0.0 | 13.513 h |
| August, selected | 43.7°C27.1°C | 27.1°C | 0 | 0.0 | 13.013 h |
| September | 40.5°C23.6°C | 23.6°C | 0 | 0.0 | 12.312 h |
| October | 34.9°C19.1°C | 19.1°C | 0.6 | 0.1 | 11.612 h |
| November | 27.5°C14.0°C | 14.0°C | 9.1 | 1.4 | 11.011 h |
| December | 22.2°C9.1°C | 9.1°C | 8.7 | 1.7 | 10.711 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
August in nearby cities
- Riyadh in AugustSaudi Arabia · 86 kmHigh 42.5°C · Low 27.2°C · 0 mm rain
- Al Hufūf in AugustSaudi Arabia · 264 kmHigh 44.5°C · Low 27.9°C · 0.1 mm rain
- Ad Dawādimī in AugustSaudi Arabia · 301 kmHigh 40.1°C · Low 25.7°C · 0.1 mm rain
- Az Zulfī in AugustSaudi Arabia · 348 kmHigh 42.1°C · Low 26.5°C · 0 mm rain
- Khobar in AugustSaudi Arabia · 373 kmHigh 40.6°C · Low 29.1°C · 0 mm rain
- Dammam in AugustSaudi Arabia · 376 kmHigh 39.6°C · Low 29.4°C · 0 mm rain
- Al Qaţīf in AugustSaudi Arabia · 379 kmHigh 39.7°C · Low 29.5°C · 0 mm rain
- Madīnat Ḩamad in AugustBahrain · 387 kmHigh 35.4°C · Low 31.3°C · 0 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 Al Kharj) is explained once on the Al Kharj year overview and on the Sources, method and limits page.