Riyadh weather in May
May is very hot in Riyadh, with afternoons above 35°C — plan outdoor activity for early morning or after sunset. Rain is virtually absent this month.
May climate normals for Riyadh
Avg high
39°C
Avg low
25°C
Rain days
1
Humidity
17%
Riyadh climate through the year
Normals computed from Open-Meteo's ERA5 reanalysis archive (2015–2024).