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Xi’an, Shaanxi Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Xi’an, Shaanxi?
Xi’an, Shaanxi gets 588 mm of precipitation a year over about 85 rainy days. July is the warmest month (average high 32°C) and January the coldest (average low -3°C).
Subtropical monsoon climate
Xi’an, Shaanxi has hot summers and chilly winters. Daytime highs range from about 5°C in January to 32°C in July. September is usually the wettest month. The most comfortable time to visit is typically April and October, when daytime highs sit near 21°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | -2° | 7° |
| Spring | Mar–May | 11° | 23° |
| Summer | Jun–Aug | 22° | 31° |
| Autumn | Sep–Nov | 11° | 19° |
How much rain does Xi’an get?
Xi’an gets 588 mm of precipitation in an average year, spread over about 85 days with measurable rain. That is fewer rainy days than 59% of China.
September is the wettest month, with 104 mm. December is the driest, with 4 mm. September has the most rainy days, about 12.
The longest dry spell in the last five years lasted 36 days, to December 24, 2022.
From October 2025 to September 2026 Xi’an got 356 mm of rain, against a normal of 588 mm for those months. July 2026 had the most, with 160 mm.
Xi’an weather by month
Xi’an weather in January
In January, Xi’an averages a high of 5°C and a low of -3°C. It gets 6 mm of precipitation over about 4 rainy days. Estimated sunshine is 53% of daylight hours, derived from ERA5 cloud cover. The January record high is 18°C (2021) and the record low is -12°C (2016).
Xi’an weather in February
In February, Xi’an averages a high of 9°C and a low of 0°C. It gets 10 mm of precipitation over about 4 rainy days. Estimated sunshine is 46% of daylight hours, derived from ERA5 cloud cover. The February record high is 27°C (2021) and the record low is -9°C (2008).
Xi’an weather in March
In March, Xi’an averages a high of 17°C and a low of 6°C. It gets 21 mm of precipitation over about 6 rainy days. Estimated sunshine is 42% of daylight hours, derived from ERA5 cloud cover. The March record high is 31°C (2010) and the record low is -4°C (2010).
Xi’an weather in April
In April, Xi’an averages a high of 23°C and a low of 11°C. It gets 39 mm of precipitation over about 7 rainy days. Estimated sunshine is 37% of daylight hours, derived from ERA5 cloud cover. The April record high is 35°C (2025) and the record low is 0°C (2010). April is one of the most comfortable months to visit.
Xi’an weather in May
In May, Xi’an averages a high of 29°C and a low of 16°C. It gets 65 mm of precipitation over about 8 rainy days. Estimated sunshine is 38% of daylight hours, derived from ERA5 cloud cover. The May record high is 38°C (2007) and the record low is 9°C (2006).
Xi’an weather in June
In June, Xi’an averages a high of 31°C and a low of 21°C. It gets 73 mm of precipitation over about 8 rainy days. Estimated sunshine is 38% of daylight hours, derived from ERA5 cloud cover. The June record high is 41°C (2006) and the record low is 14°C (2023).
Xi’an weather in July
In July, Xi’an averages a high of 32°C and a low of 23°C. It gets 96 mm of precipitation over about 10 rainy days. Estimated sunshine is 41% of daylight hours, derived from ERA5 cloud cover. The July record high is 42°C (2025) and the record low is 17°C (2022).
Xi’an weather in August
In August, Xi’an averages a high of 31°C and a low of 22°C. It gets 92 mm of precipitation over about 9 rainy days. Estimated sunshine is 41% of daylight hours, derived from ERA5 cloud cover. The August record high is 39°C (2022) and the record low is 14°C (2022).
Xi’an weather in September
In September, Xi’an averages a high of 25°C and a low of 17°C. It gets 104 mm of precipitation over about 12 rainy days. Estimated sunshine is 44% of daylight hours, derived from ERA5 cloud cover. The September record high is 39°C (2024) and the record low is 9°C (2011).
Xi’an weather in October
In October, Xi’an averages a high of 19°C and a low of 11°C. It gets 52 mm of precipitation over about 9 rainy days. Estimated sunshine is 38% of daylight hours, derived from ERA5 cloud cover. The October record high is 28°C (2009) and the record low is 3°C (2022). October is one of the most comfortable months to visit.
Xi’an weather in November
In November, Xi’an averages a high of 13°C and a low of 4°C. It gets 25 mm of precipitation over about 6 rainy days. Estimated sunshine is 51% of daylight hours, derived from ERA5 cloud cover. The November record high is 27°C (2023) and the record low is -5°C (2009).
Xi’an weather in December
In December, Xi’an averages a high of 7°C and a low of -2°C. It gets 4 mm of precipitation over about 2 rainy days. Estimated sunshine is 58% of daylight hours, derived from ERA5 cloud cover. The December record high is 21°C (2023) and the record low is -11°C (2008).
Sunshine, humidity and wind in Xi’an
December is the sunniest month in Xi’an, with estimated sunshine of 58% of daylight hours from ERA5 cloud cover. April is the cloudiest, at 37%. The annual cloud-cover estimate is 44% of daylight hours; it is not a measurement of sunshine duration. Xi’an is cloudier than 55% of China.
Humidity peaks in October at 75% and is lowest in March at 53%.
Xi’an has about 52 days a year above 32°C. Xi’an is hotter than 76% of China.
First and last freeze in Xi’an
The first fall freeze in Xi’an typically comes around November 26, and the last spring freeze around February 24. That leaves a frost-free growing season of about 275 days.
Xi’an weather records
These records cover JINGHE during 2006–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Xi’an station is 42°C, on July 15, 2025. The coldest is -12°C, on January 25, 2016.
The wettest day in the available station history brought 117 mm of precipitation, on August 9, 2007.
The best time to visit Xi’an
The most comfortable time to visit is typically April and October, when daytime highs sit near 21°C.
Winter (December–February) is chilly, with average highs around 7°C and lows near -2°C.
Spring (March–May) is warm, with average highs around 23°C and lows near 11°C.
Summer (June–August) is hot, with average highs around 31°C and lows near 22°C.
Autumn (September–November) is mild, with average highs around 19°C and lows near 11°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | -3° | 5° | 5.6 mm | 4 | 59% | 53% | 18° | -12° |
| February | 0° | 9° | 10 mm | 4 | 59% | 46% | 27° | -9° |
| March | 6° | 17° | 21 mm | 6 | 53% | 42% | 31° | -4° |
| April | 11° | 23° | 39 mm | 7 | 54% | 37% | 35° | 0° |
| May | 16° | 29° | 65 mm | 8 | 55% | 38% | 38° | 9° |
| June | 21° | 31° | 73 mm | 8 | 58% | 38% | 41° | 14° |
| July | 23° | 32° | 96 mm | 10 | 72% | 41% | 42° | 17° |
| August | 22° | 31° | 92 mm | 9 | 72% | 41% | 39° | 14° |
| September | 17° | 25° | 104 mm | 12 | 72% | 44% | 39° | 9° |
| October | 11° | 19° | 52 mm | 9 | 75% | 38% | 28° | 3° |
| November | 4° | 13° | 25 mm | 6 | 66% | 51% | 27° | -5° |
| December | -2° | 7° | 3.6 mm | 2 | 58% | 58% | 21° | -11° |
Station: JINGHE, 20 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 2006–2026; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Xi’an climate questions
How much rain does Xi’an get?
Xi’an gets 588 mm of precipitation in an average year, over about 85 rainy days.
What is the wettest month in Xi’an?
September is the wettest month in Xi’an, with 104 mm. December is the driest, with 4 mm.
How many rainy days does Xi’an have a year?
Xi’an has about 85 days with measurable rain in an average year. September has the most, about 12.
What is the hottest month in Xi’an?
July is the warmest month in Xi’an, with an average high of 32°C.
What is the coldest month in Xi’an?
January is the coldest month in Xi’an, with an average low of -3°C.
What is the record high temperature in Xi’an?
Within the available 2006–2026 station history, the record high at the Xi’an station is 42°C, set on July 15, 2025. The record low is -12°C, on January 25, 2016.
What is the sunniest month in Xi’an?
December is the sunniest month in Xi’an, with estimated sunshine of 58% of daylight hours from ERA5 cloud cover. April is the cloudiest.
When is the first frost in Xi’an?
The first fall freeze in Xi’an typically comes around November 26. The last spring freeze is around February 24.
What is the best time to visit Xi’an?
The most comfortable time to visit is typically April and October, when daytime highs sit near 21°C.