Shanghai weather in January
January in Shanghai: cold, a little rain, with poor air quality — a good time to visit.
#9 of 12 months in Shanghai · #398 of 604 destinations to visit in January · comfort 61/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Shanghai climate normals — January
| Daytime high | 9°C / 49°F | 🧥 cold |
|---|---|---|
| Nighttime low | 3°C / 37°F | |
| Feels like (high) | 6°C / 43°F | |
| Rainfall | 63 mm / 2.5 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 74% | 💧 humid |
| Dew point | 1°C / 34°F | |
| Sunshine | 5.8 h/day | |
| Daylight | 10.4 h | |
| Wind | 18 km/h / 11 mph | |
| Snowfall | 0.2 cm / 0.1 in | |
| Air quality (US AQI) | 139 | 😷 poor |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Shanghai in January — FAQ
- Is January a good time to visit Shanghai?
- January in Shanghai: cold, a little rain, with poor air quality — a good time to visit. It ranks #9 of 12 months for Shanghai on SeasonMap's comfort score (61/100).
- What is the weather like in Shanghai in January?
- In January, Shanghai averages a daily high of 9.3°C and a low of 2.6°C, with about 63 mm of rain over roughly 8 rainy days.
- What is the air quality in Shanghai in January?
- Shanghai has a mean US Air Quality Index of about 139 in January.