In May, Riyadh typically sees daytime highs of 37.9°C and overnight lows around 23.8°C. Compared to the annual average high of 32.5°C, May runs +5.5°C.
May in Riyadh averages a daytime high of 37.9°C and an overnight low of 23.8°C.
May runs +5.5°C compared to Riyadh's annual average high of 32.5°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 37.9°C and cooler evenings around 23.8°C.