Chengdu weather in October
October in Chengdu: nice, a little rain, with poor air quality — a great time to visit.
#5 of 12 months in Chengdu · #313 of 604 destinations to visit in October · comfort 75/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Chengdu climate normals — October
| Daytime high | 20°C / 69°F | 😎 nice |
|---|---|---|
| Nighttime low | 15°C / 59°F | |
| Feels like (high) | 21°C / 70°F | |
| Rainfall | 59 mm / 2.3 in | 🌦 some rain |
| Rainy days | 10 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 14°C / 57°F | |
| Sunshine | 4.1 h/day | |
| Daylight | 11.4 h | |
| Wind | 10 km/h / 6 mph | |
| Air quality (US AQI) | 133 | 😷 poor |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Chengdu in October — FAQ
- Is October a good time to visit Chengdu?
- October in Chengdu: nice, a little rain, with poor air quality — a great time to visit. It ranks #5 of 12 months for Chengdu on SeasonMap's comfort score (75/100).
- What is the weather like in Chengdu in October?
- In October, Chengdu averages a daily high of 20.3°C and a low of 15°C, with about 59.3 mm of rain over roughly 10 rainy days.
- What is the air quality in Chengdu in October?
- Chengdu has a mean US Air Quality Index of about 133 in October.