Climate averages 1991–2020

Al Kharj weather
in July.

A very hot, very dry month: the warmest and one of the driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 43.8°C Daytime mean, July

Average low 27.4°C Night-time mean, July

Rainfall <1 mm Almost no rain

Daylight 13 h Sunrise to sunset, per day

July is a very hot month in Al Kharj: daytime highs average 43.8°C and nights cool to about 27.4°C. By daytime temperature it is the warmest month of the year.

Rain is very rare: less than 1 mm falls in a typical July (one of the driest months of the year). Daylight, from sunrise to sunset, lasts about 13 h 28 min on an average July day.

The nearest other city in this atlas is Riyadh (86 km away). In July its highs average 42.6°C, 1.2°C cooler than Al Kharj, with almost no rain (under 1 mm).

Among the 35 cities listed in Saudi Arabia, Al Kharj ranks 2nd of 35 for the warmest July highs and joint 1st of 35 for the driest July (rainfall, lowest first). The mean July high of those 35 cities is 37.9°C; Al Kharj is 5.9°C warmer than that mean.

From July to August, average highs fall by 0.1°C to 43.7°C, and monthly rainfall stays under 1 mm.

The annual picture

July in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

Averages 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

1991–2020

Monthly climate averages for Al Kharj, 1991–2020
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, selected	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	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

July in nearby cities

Distance from Al Kharj

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 limits

How 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.