Xi'an weather in August
August in Xi'an: hot, soaked, with poor air quality — a good time to visit.
#10 of 12 months in Xi'an · #476 of 604 destinations to visit in August · comfort 63/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Xi'an climate normals — August
| Daytime high | 30°C / 85°F | 🥵 hot |
|---|---|---|
| Nighttime low | 21°C / 70°F | |
| Feels like (high) | 33°C / 91°F | |
| Rainfall | 178 mm / 7 in | ⛈ soaked |
| Rainy days | 12 days | |
| Humidity | 70% | 💧 humid |
| Dew point | 20°C / 68°F | |
| Sunshine | 8.7 h/day | |
| Daylight | 13.4 h | |
| Wind | 9 km/h / 6 mph | |
| Air quality (US AQI) | 130 | 😷 poor |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Xi'an?
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Xi'an in August — FAQ
- Is August a good time to visit Xi'an?
- August in Xi'an: hot, soaked, with poor air quality — a good time to visit. It ranks #10 of 12 months for Xi'an on SeasonMap's comfort score (63/100).
- What is the weather like in Xi'an in August?
- In August, Xi'an averages a daily high of 29.7°C and a low of 21.3°C, with about 178.3 mm of rain over roughly 11.8 rainy days.
- What is the air quality in Xi'an in August?
- Xi'an has a mean US Air Quality Index of about 130 in August.