Xi’an, Shaanxi Weather by Month and Climate Averages

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.

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. The sun is out about 53% of daylight hours. 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. The sun is out about 46% of daylight hours. 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. The sun is out about 42% of daylight hours. 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. The sun is out about 37% of daylight hours. 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. The sun is out about 38% of daylight hours. 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. The sun is out about 38% of daylight hours. 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. The sun is out about 41% of daylight hours. 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. The sun is out about 41% of daylight hours. 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. The sun is out about 44% of daylight hours. 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. The sun is out about 38% of daylight hours. 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. The sun is out about 51% of daylight hours. 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. The sun is out about 58% of daylight hours. 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 sunshine about 58% of daylight hours. April is the cloudiest, at 37%. Over the year the sun shines about 44% of daylight hours. 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 51 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

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 on record brought 117 mm of rain, 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.

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?

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 sunshine about 58% of daylight hours. 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.