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Monthly climate in Chengshan, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Chengshan features a humid subtropical climate (Cwa). Temperatures typically range between 1 °C (33 °F) and 26 °C (79 °F) through the year, but rarely can drop to -10 °C (15 °F) or can rise to as high as 32 °C (91 °F). The average annual precipitation amounts to about 690 mm (27.2 inches) and receives 70 rainy days on the 1 mm (0.04 inches) threshold annually. Chengshan enjoys an average of 3284 hours of sunshine throughout the year, and daylight varies from 9 hours 38 minutes to 14 hours 39 minutes per day.

Monthly average temperatures in Chengshan, China

The warmest months in Chengshan are July, August and September, with daily mean temperatures ranging from 22 to 26 °C (73 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 3 °C (33 - 38 °F) throughout the day. On average each year, Chengshan experiences 63 days above 25 °C (77.0 °F) and 51 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Chengshan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum9°C
(48°F)		16°C
(60°F)		16°C
(61°F)		25°C
(77°F)		29°C
(84°F)		30°C
(87°F)		31°C
(89°F)		32°C
(91°F)		29°C
(84°F)		27°C
(80°F)		23°C
(74°F)		14°C
(58°F)
Mean maximum8°C
(46°F)		11°C
(52°F)		14°C
(58°F)		20°C
(68°F)		26°C
(78°F)		27°C
(82°F)		30°C
(87°F)		31°C
(88°F)		28°C
(82°F)		25°C
(77°F)		20°C
(68°F)		12°C
(53°F)
Average high3°C
(37°F)		4°C
(40°F)		9°C
(48°F)		13°C
(56°F)		19°C
(66°F)		23°C
(74°F)		27°C
(80°F)		28°C
(83°F)		25°C
(77°F)		19°C
(66°F)		13°C
(56°F)		6°C
(43°F)
Daily mean1°C
(33°F)		1°C
(35°F)		6°C
(43°F)		11°C
(51°F)		16°C
(61°F)		21°C
(69°F)		25°C
(77°F)		26°C
(79°F)		22°C
(73°F)		16°C
(62°F)		10°C
(51°F)		3°C
(38°F)
Average low-1°C
(30°F)		-1°C
(31°F)		3°C
(38°F)		8°C
(47°F)		13°C
(56°F)		18°C
(65°F)		23°C
(73°F)		24°C
(76°F)		20°C
(69°F)		14°C
(58°F)		8°C
(46°F)		1°C
(34°F)
Mean minimum-6°C
(22°F)		-6°C
(22°F)		-1°C
(31°F)		3°C
(38°F)		9°C
(48°F)		15°C
(59°F)		20°C
(68°F)		21°C
(70°F)		16°C
(62°F)		9°C
(49°F)		2°C
(36°F)		-5°C
(23°F)
Minimum-10°C
(15°F)		-8°C
(18°F)		-3°C
(28°F)		1°C
(35°F)		8°C
(47°F)		13°C
(55°F)		18°C
(65°F)		20°C
(68°F)		14°C
(58°F)		8°C
(47°F)		-0°C
(32°F)		-8°C
(18°F)

Compare climate in Chengshan with other places

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

Monthly average precipitation in Chengshan, China

Chengshan usually has the most precipitation in July, August and September, with an average of 9 rainy days and 120 mm (4.7 inches) of precipitation per month. The driest months in Chengshan are January, February and March. On average, 21 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Chengshan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)18 (0.7)19 (0.7)25 (1.0)45 (1.8)55 (2.2)76 (3.0)143 (5.6)123 (4.8)93 (3.7)30 (1.2)34 (1.3)29 (1.1)
Average precipitation days (≥ 1 mm)3535758136456

Monthly sunshine hours in Chengshan, China

The sunniest months in Chengshan are May, June and July, when the sun shines an average of 10 hours 32 minutes a day. Least sunny months in Chengshan: January, November and December receive an average of 6 hours 53 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Chengshan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours184240286292320318330312283266231218
Mean daily daylight hours9h 54m10h 48m11h 57m13h 9m14h 9m14h 39m14h 24m13h 31m12h 23m11h 12m10h 10m9h 38m

Solar UV radiation in Chengshan, China

Chengshan experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 10 - 12, which corresponds to the Very High / Extreme category of sun exposure. January, February and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Chengshan UV Index data.

Average daily maximum UV levels by month for Chengshan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)346891011129743