Chengdu weather in August
August in Chengdu: sweltering, soaked, with poor air quality — one of the weakest months to visit.
#12 of 12 months in Chengdu · #558 of 604 destinations to visit in August · comfort 47/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Chengdu climate normals — August
| Daytime high | 31°C / 88°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 24°C / 74°F | |
| Feels like (high) | 36°C / 97°F | |
| Rainfall | 376 mm / 14.8 in | ⛈ soaked |
| Rainy days | 19 days | |
| Humidity | 70% | 💧 humid |
| Dew point | 22°C / 72°F | |
| Sunshine | 8.4 h/day | |
| Daylight | 13.2 h | |
| Wind | 12 km/h / 7 mph | |
| Air quality (US AQI) | 151 | ⚠️ unhealthy |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Chengdu in August — FAQ
- Is August a good time to visit Chengdu?
- August in Chengdu: sweltering, soaked, with poor air quality — one of the weakest months to visit. It ranks #12 of 12 months for Chengdu on SeasonMap's comfort score (47/100).
- What is the weather like in Chengdu in August?
- In August, Chengdu averages a daily high of 31°C and a low of 23.6°C, with about 376.3 mm of rain over roughly 19 rainy days.
- What is the air quality in Chengdu in August?
- Chengdu has a mean US Air Quality Index of about 151 in August.