Hangzhou weather in August
August in Hangzhou: sweltering, rainy, with poor air quality — a fair time to visit.
#10 of 12 months in Hangzhou · #527 of 604 destinations to visit in August · comfort 54/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Hangzhou climate normals — August
| Daytime high | 33°C / 91°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 78°F | |
| Feels like (high) | 38°C / 100°F | |
| Rainfall | 147 mm / 5.8 in | 🌧 rainy |
| Rainy days | 13 days | |
| Humidity | 75% | 💧 humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 9.8 h/day | |
| Daylight | 13.2 h | |
| Wind | 14 km/h / 9 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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Hangzhou in August — FAQ
- Is August a good time to visit Hangzhou?
- August in Hangzhou: sweltering, rainy, with poor air quality — a fair time to visit. It ranks #10 of 12 months for Hangzhou on SeasonMap's comfort score (54/100).
- What is the weather like in Hangzhou in August?
- In August, Hangzhou averages a daily high of 32.9°C and a low of 25.7°C, with about 146.9 mm of rain over roughly 12.8 rainy days.
- What is the air quality in Hangzhou in August?
- Hangzhou has a mean US Air Quality Index of about 133 in August.