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Xi’an Weather by Month
Average temperatures, rainfall and humidity for Xi’an, China, month by month, built from OpenWeather's historical records. Use it to see what a typical Xi’an month looks like before you travel — then check the live Xi’an forecast for the days ahead.
Warmest month
July
33°C average high
Coolest month
January
-3°C average low
Wettest month
April
62 mm of rain
Driest month
December
5 mm of rain
Average temperature and rainfall in Xi’an by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 6°C | -3°C | -22°C / 17°C | 5 mm | 58% | 7 km/h |
| February | 10°C | -1°C | -14°C / 25°C | 8 mm | 59% | 7 km/h |
| March | 17°C | 5°C | -8°C / 31°C | 36 mm | 55% | 8 km/h |
| April | 23°C | 10°C | -3°C / 37°C | 62 mm | 57% | 8 km/h |
| May | 27°C | 15°C | 3°C / 42°C | 37 mm | 58% | 8 km/h |
| June | 31°C | 20°C | 8°C / 42°C | 44 mm | 60% | 8 km/h |
| July | 33°C | 23°C | 14°C / 45°C | 51 mm | 66% | 8 km/h |
| August | 33°C | 22°C | 11°C / 47°C | 41 mm | 67% | 8 km/h |
| September | 27°C | 17°C | 7°C / 47°C | 61 mm | 73% | 8 km/h |
| October | 19°C | 10°C | -3°C / 34°C | 38 mm | 72% | 7 km/h |
| November | 13°C | 4°C | -11°C / 28°C | 21 mm | 64% | 7 km/h |
| December | 7°C | -3°C | -13°C / 20°C | 5 mm | 55% | 7 km/h |
Best time to visit Xi’an
The most comfortable time to visit Xi’an is generally April to May and September, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around April, totalling about 409 mm a year.
Travellers who prefer heat should aim for July, when highs average 33°C. April is the month to avoid if rain would spoil your plans — it averages 62 mm, roughly 12× the rainfall of December.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Xi’an forecast for what is happening now.