Riyadh weather in August
August in Riyadh: sweltering, dry, with poor air quality — one of the weakest months to visit.
#11 of 12 months in Riyadh · #587 of 604 destinations to visit in August · comfort 33/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Riyadh climate normals — August
| Daytime high | 43°C / 109°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 28°C / 82°F | |
| Feels like (high) | 40°C / 104°F | |
| Rainfall | 0 mm / 0 in | ☀️ dry |
| Rainy days | 0 days | |
| Humidity | 15% | 🌵 dry |
| Dew point | 5°C / 40°F | |
| Sunshine | 11.9 h/day | |
| Daylight | 13 h | |
| Wind | 21 km/h / 13 mph | |
| Air quality (US AQI) | 171 | ⚠️ unhealthy |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Riyadh in August — FAQ
- Is August a good time to visit Riyadh?
- August in Riyadh: sweltering, dry, with poor air quality — one of the weakest months to visit. It ranks #11 of 12 months for Riyadh on SeasonMap's comfort score (33/100).
- What is the weather like in Riyadh in August?
- In August, Riyadh averages a daily high of 42.6°C and a low of 27.8°C, with about 0.1 mm of rain over roughly 0 rainy days.
- What is the air quality in Riyadh in August?
- Riyadh has a mean US Air Quality Index of about 171 in August.