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Chengdu, Sichuan Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Chengdu, Sichuan?
Chengdu, Sichuan gets 987 mm of precipitation a year over about 145 rainy days. July is the warmest month (average high 30°C) and January the coldest (average low 2°C).
Subtropical monsoon climate
Chengdu, Sichuan has hot summers and chilly winters. Daytime highs range from about 9°C in January to 30°C in July. July is usually the wettest month. The most comfortable time to visit is typically March to April and September to October, when daytime highs sit near 22°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 3° | 11° |
| Spring | Mar–May | 13° | 22° |
| Summer | Jun–Aug | 21° | 29° |
| Autumn | Sep–Nov | 14° | 21° |
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.
From October 2025 to September 2026 Chengdu got 875 mm of rain, against a normal of 987 mm for those months. September 2026 had the most, with 393 mm.
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. Estimated sunshine is 37% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 30% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 29% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 24% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 22% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 16% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 24% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 25% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 25% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 17% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 32% of daylight hours, derived from ERA5 cloud cover. 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. Estimated sunshine is 38% of daylight hours, derived from ERA5 cloud cover. 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 estimated sunshine of 38% of daylight hours from ERA5 cloud cover. June is the cloudiest, at 16%. The annual cloud-cover estimate is 27% of daylight hours; it is not a measurement of sunshine duration. Chengdu is cloudier than 95% of China.
Humidity peaks in October at 80% and is lowest in May at 62%.
Chengdu has about 30 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
These records cover WENJIANG during 2004–2026. Earlier records or other stations in the city may differ.
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 in the available station history brought 231 mm of precipitation, 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.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 2° | 9° | 8.4 mm | 7 | 74% | 37% | 18° | -7° |
| February | 4° | 12° | 11 mm | 7 | 72% | 30% | 24° | -3° |
| March | 8° | 17° | 27 mm | 11 | 67% | 29% | 31° | 0° |
| April | 13° | 23° | 45 mm | 13 | 66% | 24% | 33° | 4° |
| May | 17° | 27° | 95 mm | 14 | 62% | 22% | 36° | 9° |
| June | 21° | 28° | 116 mm | 16 | 64% | 16% | 36° | 15° |
| July | 22° | 30° | 262 mm | 17 | 73% | 24% | 38° | 17° |
| August | 22° | 30° | 223 mm | 16 | 71% | 25% | 39° | 17° |
| September | 19° | 26° | 126 mm | 17 | 78% | 25% | 37° | 12° |
| October | 14° | 21° | 51 mm | 14 | 80% | 17% | 31° | 7° |
| November | 9° | 16° | 15 mm | 8 | 76% | 32% | 25° | 0° |
| December | 4° | 11° | 7.4 mm | 6 | 76% | 38% | 18° | -3° |
Station: WENJIANG, 21 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 2004–2026; 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.
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?
Within the available 2004–2026 station history, 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 estimated sunshine of 38% of daylight hours from ERA5 cloud cover. 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.