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Monthly climate in Chengjiang, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Chengjiang features a humid subtropical climate (Cfa). Temperatures typically range between 9 °C (48 °F) and 30 °C (87 °F) through the year, but rarely can drop to -4 °C (26 °F) or can rise to as high as 39 °C (103 °F). The average annual precipitation amounts to about 1436 mm (56.5 inches) and receives 151 rainy days on the 1 mm (0.04 inches) threshold annually. Chengjiang enjoys an average of 2908 hours of sunshine throughout the year, and daylight varies from 10 hours 28 minutes to 13 hours 46 minutes per day.

Monthly average temperatures in Chengjiang, China

The warmest months in Chengjiang are July, August and September, with daily mean temperatures ranging from 28 to 30 °C (82 - 87 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 9 to 10 °C (48 - 51 °F) throughout the day. On average each year, Chengjiang experiences 159 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 Chengjiang. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum25°C
(77°F)		27°C
(81°F)		31°C
(88°F)		34°C
(93°F)		37°C
(98°F)		36°C
(98°F)		39°C
(103°F)		38°C
(101°F)		38°C
(101°F)		37°C
(98°F)		31°C
(89°F)		26°C
(78°F)
Mean maximum22°C
(72°F)		26°C
(79°F)		28°C
(83°F)		32°C
(89°F)		34°C
(94°F)		35°C
(95°F)		38°C
(101°F)		38°C
(100°F)		37°C
(98°F)		34°C
(94°F)		27°C
(82°F)		22°C
(72°F)
Average high12°C
(54°F)		14°C
(57°F)		19°C
(67°F)		24°C
(75°F)		28°C
(83°F)		31°C
(88°F)		35°C
(94°F)		35°C
(95°F)		32°C
(90°F)		25°C
(77°F)		20°C
(68°F)		14°C
(57°F)
Daily mean9°C
(48°F)		10°C
(51°F)		16°C
(60°F)		20°C
(68°F)		24°C
(76°F)		27°C
(82°F)		30°C
(87°F)		30°C
(87°F)		28°C
(82°F)		21°C
(70°F)		16°C
(60°F)		10°C
(50°F)
Average low6°C
(42°F)		7°C
(45°F)		12°C
(54°F)		16°C
(61°F)		21°C
(70°F)		25°C
(77°F)		27°C
(81°F)		27°C
(81°F)		24°C
(75°F)		18°C
(64°F)		12°C
(54°F)		7°C
(44°F)
Mean minimum-1°C
(31°F)		2°C
(35°F)		7°C
(44°F)		9°C
(48°F)		16°C
(60°F)		21°C
(70°F)		25°C
(77°F)		24°C
(76°F)		19°C
(67°F)		11°C
(53°F)		7°C
(45°F)		0°C
(32°F)
Minimum-4°C
(26°F)		-4°C
(26°F)		4°C
(40°F)		6°C
(43°F)		13°C
(55°F)		19°C
(66°F)		23°C
(73°F)		23°C
(74°F)		16°C
(60°F)		10°C
(51°F)		5°C
(42°F)		-1°C
(30°F)

Compare climate in Chengjiang with other places

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

Monthly average precipitation in Chengjiang, China

Chengjiang usually has the most precipitation in March, May and June, with an average of 18 rainy days and 230 mm (9.1 inches) of precipitation per month. The driest months in Chengjiang are January, October and December. On average, 41 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Chengjiang. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)44 (1.7)82 (3.2)156 (6.2)147 (5.8)215 (8.5)319 (12.6)123 (4.8)120 (4.7)81 (3.2)45 (1.8)69 (2.7)35 (1.4)
Average precipitation days (≥ 1 mm)610181719191215107108

Monthly sunshine hours in Chengjiang, China

The sunniest months in Chengjiang are May, July and August, when the sun shines an average of 9 hours 48 minutes a day. Least sunny months in Chengjiang: January, March and December receive an average of 6 hours 10 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Chengjiang. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours163215196237280249309322280220219213
Mean daily daylight hours10h 39m11h 14m12h 0m12h 47m13h 27m13h 46m13h 36m13h 2m12h 17m11h 30m10h 49m10h 28m

Solar UV radiation in Chengjiang, China

Chengjiang experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 12 - 13, which corresponds to the Extreme category of sun exposure. January, February and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 8. For more detailed information, check out our hourly Chengjiang UV Index data.

Average daily maximum UV levels by month for Chengjiang. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)6810111212131211986