Climate averages 1991–2020

Jeddah weather
in August.

A very hot, very dry month: one of the warmest and the 4th driest of the year.

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

Average high 35.4°C Daytime mean, August
Average low 28.3°C Night-time mean, August
Rainfall <1 mm Almost no rain
Daylight 13 h Sunrise to sunset, per day
Every month in Jeddah · average highYear overview

August is a very hot month in Jeddah: daytime highs average 35.4°C and nights cool to about 28.3°C. By daytime temperature it is one of the warmest months of the year.

Rain is very rare: less than 1 mm falls in a typical August (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 52 min on an average August day.

The nearest other city in this atlas is Makkah (67 km away). In August its highs average 39.1°C, 3.7°C warmer than Jeddah, with 1.8 mm of rain.

Among the 35 cities listed in Saudi Arabia, Jeddah ranks 27th of 35 for the warmest August highs and 21st of 35 for the driest August (rainfall, lowest first). The mean August high of those 35 cities is 37.8°C; Jeddah is 2.4°C cooler than that mean.

From August to September, average highs fall by 0.8°C to 34.5°C, and monthly rainfall stays under 1 mm.

The annual picture

August in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 152025303540 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Jeddah climate table

1991–2020
Monthly climate averages for Jeddah, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 26.5°C20.1°C20.1°C243.011.011 h
February 27.3°C20.2°C20.2°C2.10.711.411 h
March 28.9°C21.2°C21.2°C4.10.712.012 h
April 31.3°C23.6°C23.6°C3.70.512.613 h
May 33.7°C25.6°C25.6°C0.80.313.213 h
June 34.7°C26.4°C26.4°C00.013.413 h
July 35.4°C27.5°C27.5°C0.10.013.313 h
August, selected 35.4°C28.3°C28.3°C0.20.012.913 h
September 34.5°C27.5°C27.5°C0.10.012.312 h
October 33.3°C26.1°C26.1°C3.20.411.712 h
November 30.6°C24.1°C24.1°C262.411.111 h
December 28.1°C21.9°C21.9°C142.610.911 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

Distance from Jeddah

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 Jeddah) is explained once on the Jeddah year overview and on the Sources, method and limits page.