Shanghai weather in December
December in Shanghai: cold, dry, with poor air quality — a good time to visit.
#6 of 12 months in Shanghai · #356 of 604 destinations to visit in December · comfort 67/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Shanghai climate normals — December
| Daytime high | 11°C / 51°F | 🧥 cold |
|---|---|---|
| Nighttime low | 3°C / 38°F | |
| Feels like (high) | 7°C / 45°F | |
| Rainfall | 27 mm / 1.1 in | ☀️ dry |
| Rainy days | 4 days | |
| Humidity | 70% | 💧 humid |
| Dew point | 1°C / 33°F | |
| Sunshine | 6.8 h/day | |
| Daylight | 10.2 h | |
| Wind | 18 km/h / 11 mph | |
| Snowfall | 0.1 cm / 0 in | |
| Air quality (US AQI) | 156 | ⚠️ unhealthy |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Shanghai in December — FAQ
- Is December a good time to visit Shanghai?
- December in Shanghai: cold, dry, with poor air quality — a good time to visit. It ranks #6 of 12 months for Shanghai on SeasonMap's comfort score (67/100).
- What is the weather like in Shanghai in December?
- In December, Shanghai averages a daily high of 10.8°C and a low of 3.3°C, with about 26.8 mm of rain over roughly 4.2 rainy days.
- What is the air quality in Shanghai in December?
- Shanghai has a mean US Air Quality Index of about 156 in December.