Hong Kong weather in December
December in Hong Kong: nice, dry, with poor air quality — one of the best months to visit.
#2 of 12 months in Hong Kong · #91 of 604 destinations to visit in December · comfort 84/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Hong Kong climate normals — December
| Daytime high | 20°C / 68°F | 😎 nice |
|---|---|---|
| Nighttime low | 14°C / 58°F | |
| Feels like (high) | 19°C / 66°F | |
| Rainfall | 20 mm / 0.8 in | ☀️ dry |
| Rainy days | 3 days | |
| Humidity | 67% | 💧 humid |
| Dew point | 10°C / 50°F | |
| Sunshine | 7.9 h/day | |
| Daylight | 10.8 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 112 | 😷 poor |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Hong Kong in December — FAQ
- Is December a good time to visit Hong Kong?
- December in Hong Kong: nice, dry, with poor air quality — one of the best months to visit. It ranks #2 of 12 months for Hong Kong on SeasonMap's comfort score (84/100).
- What is the weather like in Hong Kong in December?
- In December, Hong Kong averages a daily high of 20.1°C and a low of 14.4°C, with about 19.9 mm of rain over roughly 2.8 rainy days.
- What is the air quality in Hong Kong in December?
- Hong Kong has a mean US Air Quality Index of about 112 in December.