Chengdu, Sichuan Weather by Month and Climate Averages

How much rain does Chengdu get?

Chengdu gets 987 mm of precipitation in an average year, spread over about 145 days with measurable rain. That is more rainy days than 82% of China.

July is the wettest month, with 262 mm. December is the driest, with 7 mm. July has the most rainy days, about 17.

The longest dry spell in the last five years lasted 48 days, to December 31, 2023.

Chengdu weather by month

Chengdu weather in January

In January, Chengdu averages a high of 9°C and a low of 2°C. It gets 8 mm of precipitation over about 7 rainy days. The sun is out about 37% of daylight hours. The January record high is 18°C (2026) and the record low is -7°C (2016).

Chengdu weather in February

In February, Chengdu averages a high of 12°C and a low of 4°C. It gets 11 mm of precipitation over about 7 rainy days. The sun is out about 30% of daylight hours. The February record high is 24°C (2021) and the record low is -3°C (2008).

Chengdu weather in March

In March, Chengdu averages a high of 17°C and a low of 8°C. It gets 27 mm of precipitation over about 11 rainy days. The sun is out about 29% of daylight hours. The March record high is 31°C (2007) and the record low is 0°C (2006). March is one of the most comfortable months to visit.

Chengdu weather in April

In April, Chengdu averages a high of 23°C and a low of 13°C. It gets 45 mm of precipitation over about 13 rainy days. The sun is out about 24% of daylight hours. The April record high is 33°C (2025) and the record low is 4°C (2020). April is one of the most comfortable months to visit.

Chengdu weather in May

In May, Chengdu averages a high of 27°C and a low of 17°C. It gets 95 mm of precipitation over about 14 rainy days. The sun is out about 22% of daylight hours. The May record high is 36°C (2020) and the record low is 9°C (2022).

Chengdu weather in June

In June, Chengdu averages a high of 28°C and a low of 21°C. It gets 116 mm of precipitation over about 16 rainy days. The sun is out about 16% of daylight hours. The June record high is 36°C (2025) and the record low is 15°C (2013).

Chengdu weather in July

In July, Chengdu averages a high of 30°C and a low of 22°C. It gets 262 mm of precipitation over about 17 rainy days. The sun is out about 24% of daylight hours. The July record high is 38°C (2022) and the record low is 17°C (2019).

Chengdu weather in August

In August, Chengdu averages a high of 30°C and a low of 22°C. It gets 223 mm of precipitation over about 16 rainy days. The sun is out about 25% of daylight hours. The August record high is 39°C (2022) and the record low is 17°C (2005).

Chengdu weather in September

In September, Chengdu averages a high of 26°C and a low of 19°C. It gets 126 mm of precipitation over about 17 rainy days. The sun is out about 25% of daylight hours. The September record high is 37°C (2024) and the record low is 12°C (2019). September is one of the most comfortable months to visit.

Chengdu weather in October

In October, Chengdu averages a high of 21°C and a low of 14°C. It gets 51 mm of precipitation over about 14 rainy days. The sun is out about 17% of daylight hours. The October record high is 31°C (2021) and the record low is 7°C (2011). October is one of the most comfortable months to visit.

Chengdu weather in November

In November, Chengdu averages a high of 16°C and a low of 9°C. It gets 15 mm of precipitation over about 8 rainy days. The sun is out about 32% of daylight hours. The November record high is 25°C (2006) and the record low is 0°C (2009).

Chengdu weather in December

In December, Chengdu averages a high of 11°C and a low of 4°C. It gets 7 mm of precipitation over about 6 rainy days. The sun is out about 38% of daylight hours. The December record high is 18°C (2013) and the record low is -3°C (2014).

Sunshine, humidity and wind in Chengdu

December is the sunniest month in Chengdu, with sunshine about 38% of daylight hours. June is the cloudiest, at 16%. Over the year the sun shines about 27% of daylight hours. Chengdu is cloudier than 95% of China.

Humidity peaks in October at 80% and is lowest in May at 62%.

Chengdu has about 29 days a year above 32°C. Chengdu is hotter than 50% of China.

First and last freeze in Chengdu

The first fall freeze in Chengdu typically comes around December 16, and the last spring freeze around February 11. That leaves a frost-free growing season of about 308 days.

Chengdu weather records

The hottest temperature on record at the Chengdu station is 39°C, on August 21, 2022. The coldest is -7°C, on January 25, 2016.

The wettest day on record brought 231 mm of rain, on August 11, 2020.

The best time to visit Chengdu

The most comfortable time to visit is typically March to April and September to October, when daytime highs sit near 22°C.

Winter (December–February) is chilly, with average highs around 11°C and lows near 4°C.

Spring (March–May) is warm, with average highs around 22°C and lows near 13°C.

Summer (June–August) is hot, with average highs around 29°C and lows near 21°C. It can feel humid.

Autumn (September–November) is warm, with average highs around 21°C and lows near 14°C.

Chengdu climate questions

How much rain does Chengdu get?

Chengdu gets 987 mm of precipitation in an average year, over about 145 rainy days.

What is the wettest month in Chengdu?

July is the wettest month in Chengdu, with 262 mm. December is the driest, with 7 mm.

How many rainy days does Chengdu have a year?

Chengdu has about 145 days with measurable rain in an average year. July has the most, about 17.

What is the hottest month in Chengdu?

July is the warmest month in Chengdu, with an average high of 30°C.

What is the coldest month in Chengdu?

January is the coldest month in Chengdu, with an average low of 2°C.

What is the record high temperature in Chengdu?

The record high at the Chengdu station is 39°C, set on August 21, 2022. The record low is -7°C, on January 25, 2016.

What is the sunniest month in Chengdu?

December is the sunniest month in Chengdu, with sunshine about 38% of daylight hours. June is the cloudiest.

When is the first frost in Chengdu?

The first fall freeze in Chengdu typically comes around December 16. The last spring freeze is around February 11.

What is the best time to visit Chengdu?

The most comfortable time to visit is typically March to April and September to October, when daytime highs sit near 22°C.