Guangzhou weather in August
August in Guangzhou: sweltering, soaked, with poor air quality — one of the weakest months to visit.
#11 of 12 months in Guangzhou · #564 of 604 destinations to visit in August · comfort 44/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Guangzhou climate normals — August
| Daytime high | 32°C / 89°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 78°F | |
| Feels like (high) | 38°C / 100°F | |
| Rainfall | 249 mm / 9.8 in | ⛈ soaked |
| Rainy days | 24 days | |
| Humidity | 85% | 💦 very humid |
| Dew point | 25°C / 78°F | |
| Sunshine | 8.7 h/day | |
| Daylight | 12.9 h | |
| Wind | 13 km/h / 8 mph | |
| Air quality (US AQI) | 119 | 😷 poor |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Guangzhou in August — FAQ
- Is August a good time to visit Guangzhou?
- August in Guangzhou: sweltering, soaked, with poor air quality — one of the weakest months to visit. It ranks #11 of 12 months for Guangzhou on SeasonMap's comfort score (44/100).
- What is the weather like in Guangzhou in August?
- In August, Guangzhou averages a daily high of 31.7°C and a low of 25.8°C, with about 248.9 mm of rain over roughly 24.4 rainy days.
- What is the air quality in Guangzhou in August?
- Guangzhou has a mean US Air Quality Index of about 119 in August.