Climate averages 1991–2020
Al Kharj weather
in December.
A warm, very dry month: the 11th warmest and the 10th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Al Kharj: daytime highs average 22.2°C and nights cool to about 9.1°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 8.7 mm of rain on roughly 2 days, which makes December a very dry month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 40 min on an average December day.
The nearest other city in this atlas is Riyadh (86 km away). In December its highs average 21.3°C, 1.0°C cooler than Al Kharj, with 9.1 mm of rain.
Among the 35 cities listed in Saudi Arabia, Al Kharj ranks 12th of 35 for the warmest December highs and 8th of 35 for the driest December (rainfall, lowest first). The mean December high of those 35 cities is 22.3°C; Al Kharj is 0.1°C cooler than that mean.
From December to January, average highs fall by 1.3°C to 20.9°C, and monthly rainfall falls from 8.7 mm to 8.3 mm.
The annual picture
December 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 | 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, selected | 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
December in nearby cities
- Riyadh in DecemberSaudi Arabia · 86 kmHigh 21.3°C · Low 8.9°C · 9.1 mm rain
- Al Hufūf in DecemberSaudi Arabia · 264 kmHigh 22.0°C · Low 10.6°C · 15 mm rain
- Ad Dawādimī in DecemberSaudi Arabia · 301 kmHigh 20.9°C · Low 9.2°C · 9.4 mm rain
- Az Zulfī in DecemberSaudi Arabia · 348 kmHigh 20.0°C · Low 8.6°C · 15 mm rain
- Khobar in DecemberSaudi Arabia · 373 kmHigh 21.9°C · Low 14.1°C · 17 mm rain
- Dammam in DecemberSaudi Arabia · 376 kmHigh 21.8°C · Low 14.7°C · 20 mm rain
- Al Qaţīf in DecemberSaudi Arabia · 379 kmHigh 21.7°C · Low 14.6°C · 20 mm rain
- Madīnat Ḩamad in DecemberBahrain · 387 kmHigh 20.8°C · Low 17.3°C · 14 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.