Xi'an weather in December
December in Xi'an: cold, dry, with poor air quality — a good time to visit.
#11 of 12 months in Xi'an · #410 of 604 destinations to visit in December · comfort 61/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Xi'an climate normals — December
| Daytime high | 7°C / 45°F | 🧥 cold |
|---|---|---|
| Nighttime low | -3°C / 27°F | |
| Feels like (high) | 4°C / 39°F | |
| Rainfall | 11 mm / 0.4 in | ☀️ dry |
| Rainy days | 3 days | |
| Humidity | 56% | 🍃 comfortable |
| Dew point | -7°C / 20°F | |
| Sunshine | 7.7 h/day | |
| Daylight | 9.9 h | |
| Wind | 8 km/h / 5 mph | |
| Snowfall | 3.3 cm / 1.3 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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Xi'an in December — FAQ
- Is December a good time to visit Xi'an?
- December in Xi'an: cold, dry, with poor air quality — a good time to visit. It ranks #11 of 12 months for Xi'an on SeasonMap's comfort score (61/100).
- What is the weather like in Xi'an in December?
- In December, Xi'an averages a daily high of 7.3°C and a low of -2.9°C, with about 10.9 mm of rain over roughly 2.8 rainy days.
- What is the air quality in Xi'an in December?
- Xi'an has a mean US Air Quality Index of about 156 in December.
- Does it snow in Xi'an in December?
- Xi'an sees roughly 3.3 cm of snowfall in December.