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Monthly climate in Chengyang, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Chengyang features a humid subtropical climate (Cwa). Temperatures typically range between 1 °C (34 °F) and 27 °C (80 °F) through the year, but rarely can drop to -13 °C (8 °F) or can rise to as high as 32 °C (89 °F). The average annual precipitation amounts to about 726 mm (28.6 inches) and receives 69 rainy days on the 1 mm (0.04 inches) threshold annually. Chengyang enjoys an average of 3247 hours of sunshine throughout the year, and daylight varies from 9 hours 43 minutes to 14 hours 33 minutes per day.

Monthly average temperatures in Chengyang, China

The warmest months in Chengyang are July, August and September, with daily mean temperatures ranging from 23 to 27 °C (74 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 3 °C (34 - 39 °F) throughout the day. On average each year, Chengyang experiences 72 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 Chengyang. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum9°C
(49°F)		17°C
(63°F)		18°C
(65°F)		23°C
(74°F)		28°C
(83°F)		29°C
(85°F)		32°C
(89°F)		32°C
(89°F)		30°C
(86°F)		28°C
(82°F)		22°C
(72°F)		14°C
(58°F)
Mean maximum8°C
(48°F)		12°C
(53°F)		16°C
(61°F)		20°C
(68°F)		26°C
(78°F)		27°C
(81°F)		30°C
(87°F)		31°C
(88°F)		29°C
(84°F)		25°C
(78°F)		20°C
(68°F)		12°C
(54°F)
Average high4°C
(39°F)		5°C
(42°F)		10°C
(50°F)		15°C
(58°F)		20°C
(68°F)		24°C
(75°F)		27°C
(81°F)		28°C
(83°F)		26°C
(78°F)		20°C
(68°F)		14°C
(57°F)		6°C
(44°F)
Daily mean1°C
(34°F)		2°C
(37°F)		7°C
(45°F)		12°C
(54°F)		17°C
(63°F)		21°C
(71°F)		25°C
(78°F)		27°C
(80°F)		23°C
(74°F)		17°C
(62°F)		11°C
(52°F)		3°C
(39°F)
Average low-2°C
(29°F)		-1°C
(31°F)		5°C
(40°F)		9°C
(49°F)		15°C
(59°F)		19°C
(67°F)		24°C
(75°F)		25°C
(77°F)		21°C
(70°F)		14°C
(57°F)		8°C
(46°F)		1°C
(33°F)
Mean minimum-7°C
(19°F)		-6°C
(22°F)		-1°C
(30°F)		4°C
(40°F)		10°C
(51°F)		16°C
(61°F)		21°C
(69°F)		21°C
(70°F)		17°C
(62°F)		8°C
(46°F)		1°C
(34°F)		-6°C
(21°F)
Minimum-13°C
(8°F)		-9°C
(16°F)		-3°C
(27°F)		3°C
(38°F)		8°C
(47°F)		15°C
(58°F)		19°C
(67°F)		18°C
(64°F)		15°C
(59°F)		7°C
(45°F)		-0°C
(32°F)		-9°C
(16°F)

Compare climate in Chengyang with other places

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

Monthly average precipitation in Chengyang, China

Chengyang usually has the most precipitation in June, July and August, with an average of 10 rainy days and 145 mm (5.7 inches) of precipitation per month. The driest months in Chengyang are January, February and December. On average, 16 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Chengyang. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)14 (0.6)20 (0.8)26 (1.0)33 (1.3)56 (2.2)81 (3.2)188 (7.4)167 (6.6)66 (2.6)35 (1.4)25 (1.0)14 (0.5)
Average precipitation days (≥ 1 mm)23466610156443

Monthly sunshine hours in Chengyang, China

The sunniest months in Chengyang are May, June and July, when the sun shines an average of 10 hours 9 minutes a day. Least sunny months in Chengyang: January, November and December receive an average of 7 hours 16 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Chengyang. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours199240285286314304315299273257233236
Mean daily daylight hours9h 59m10h 51m11h 58m13h 6m14h 4m14h 33m14h 19m13h 28m12h 22m11h 14m10h 14m9h 43m

Solar UV radiation in Chengyang, China

Chengyang experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 10 - 11, 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 Chengyang UV Index data.

Average daily maximum UV levels by month for Chengyang. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)347891011108743