Hong Kong weather in August
August in Hong Kong: sweltering, soaked, with very humid — one of the weakest months to visit.
#12 of 12 months in Hong Kong · #570 of 604 destinations to visit in August · comfort 43/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Hong Kong climate normals — August
| Daytime high | 30°C / 86°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 27°C / 80°F | |
| Feels like (high) | 37°C / 99°F | |
| Rainfall | 338 mm / 13.3 in | ⛈ soaked |
| Rainy days | 28 days | |
| Humidity | 86% | 💦 very humid |
| Dew point | 26°C / 78°F | |
| Sunshine | 8.8 h/day | |
| Daylight | 12.9 h | |
| Wind | 15 km/h / 9 mph | |
| Air quality (US AQI) | 75 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Hong Kong in August — FAQ
- Is August a good time to visit Hong Kong?
- August in Hong Kong: sweltering, soaked, with very humid — one of the weakest months to visit. It ranks #12 of 12 months for Hong Kong on SeasonMap's comfort score (43/100).
- What is the weather like in Hong Kong in August?
- In August, Hong Kong averages a daily high of 30°C and a low of 26.5°C, with about 337.5 mm of rain over roughly 27.6 rainy days.
- What is the air quality in Hong Kong in August?
- Hong Kong has a mean US Air Quality Index of about 75 in August.