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Monthly climate in Chengdu, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Chengdu features a humid subtropical climate (Cwa). Temperatures typically range between 7 °C (44 °F) and 27 °C (80 °F) through the year, but rarely can drop to -4 °C (25 °F) or can rise to as high as 40 °C (104 °F). The average annual precipitation amounts to about 1183 mm (46.6 inches) and receives 113 rainy days on the 1 mm (0.04 inches) threshold annually. Chengdu enjoys an average of 2745 hours of sunshine throughout the year, and daylight varies from 10 hours 10 minutes to 14 hours 5 minutes per day.

Monthly average temperatures in Chengdu, China

The warmest months in Chengdu are June, July and August, with daily mean temperatures ranging from 25 to 27 °C (78 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 9 °C (44 - 48 °F) throughout the day. On average each year, Chengdu experiences 125 days above 25 °C (77.0 °F) and 3 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Chengdu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum16°C
(62°F)		24°C
(76°F)		30°C
(86°F)		36°C
(98°F)		38°C
(100°F)		36°C
(97°F)		37°C
(98°F)		40°C
(104°F)		35°C
(95°F)		30°C
(86°F)		24°C
(75°F)		17°C
(63°F)
Mean maximum15°C
(59°F)		20°C
(68°F)		27°C
(81°F)		32°C
(89°F)		34°C
(94°F)		33°C
(93°F)		36°C
(97°F)		36°C
(97°F)		32°C
(89°F)		27°C
(80°F)		22°C
(72°F)		15°C
(60°F)
Average high10°C
(50°F)		13°C
(55°F)		19°C
(66°F)		23°C
(74°F)		27°C
(81°F)		30°C
(86°F)		31°C
(88°F)		31°C
(88°F)		26°C
(79°F)		20°C
(68°F)		16°C
(61°F)		11°C
(51°F)
Daily mean7°C
(44°F)		9°C
(48°F)		15°C
(59°F)		19°C
(66°F)		22°C
(73°F)		25°C
(78°F)		27°C
(80°F)		27°C
(80°F)		22°C
(73°F)		17°C
(63°F)		13°C
(55°F)		7°C
(46°F)
Average low4°C
(39°F)		5°C
(42°F)		11°C
(52°F)		14°C
(58°F)		18°C
(65°F)		22°C
(71°F)		23°C
(74°F)		23°C
(74°F)		20°C
(68°F)		15°C
(59°F)		10°C
(50°F)		5°C
(41°F)
Mean minimum-1°C
(31°F)		1°C
(34°F)		6°C
(44°F)		10°C
(51°F)		14°C
(57°F)		18°C
(65°F)		21°C
(69°F)		20°C
(68°F)		17°C
(62°F)		11°C
(52°F)		4°C
(40°F)		-0°C
(32°F)
Minimum-4°C
(25°F)		-1°C
(31°F)		4°C
(40°F)		9°C
(49°F)		12°C
(54°F)		17°C
(63°F)		19°C
(66°F)		18°C
(64°F)		14°C
(57°F)		10°C
(51°F)		3°C
(38°F)		-2°C
(29°F)

Compare climate in Chengdu with other places

Compare temperature, precipitation, sunshine, UV index in Chengdu, China with other places around the world.

Monthly average precipitation in Chengdu, China

Chengdu usually has the most precipitation in July, August and September, with an average of 19 rainy days and 280 mm (11.0 inches) of precipitation per month. The driest months in Chengdu are January, February and December. On average, 9 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Chengdu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)5 (0.2)10 (0.4)23 (0.9)58 (2.3)74 (2.9)89 (3.5)312 (12.3)409 (16.1)118 (4.6)57 (2.3)15 (0.6)11 (0.4)
Average precipitation days (≥ 1 mm)126101192221141043

Monthly sunshine hours in Chengdu, China

The sunniest months in Chengdu are May, July and August, when the sun shines an average of 8 hours 59 minutes a day. Least sunny months in Chengdu: January, October and November receive an average of 5 hours 58 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Chengdu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours187225224235261251284289213165197208
Mean daily daylight hours10h 23m11h 4m11h 59m12h 55m13h 42m14h 5m13h 53m13h 12m12h 19m11h 23m10h 35m10h 10m

Solar UV radiation in Chengdu, China

Chengdu experiences the highest level of ultraviolet (UV) radiation in May, July and September, when the maximum UV index can reach values of 11 - 12, which corresponds to the Extreme category of sun exposure. January, February and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Chengdu UV Index data.

Average daily maximum UV levels by month for Chengdu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)568101211111011864