Riyadh weather in August
August is one of the most extreme months of the year in Riyadh: daytime highs routinely pass 40°C — hydrate constantly and stay out of the midday sun. Rain is virtually absent this month.
August climate normals for Riyadh
Avg high
43°C
Avg low
29°C
Rain days
0
Humidity
13%
Riyadh climate through the year
Normals computed from Open-Meteo's ERA5 reanalysis archive (2015–2024).