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Monthly climate in Chengxi, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Chengxi features a humid subtropical climate (Cwa). Temperatures typically range between 17 °C (63 °F) and 29 °C (84 °F) through the year, but rarely can drop to 5 °C (42 °F) or can rise to as high as 37 °C (98 °F). The average annual precipitation amounts to about 1794 mm (70.6 inches) and receives 171 rainy days on the 1 mm (0.04 inches) threshold annually. Chengxi enjoys an average of 3278 hours of sunshine throughout the year, and daylight varies from 10 hours 49 minutes to 13 hours 25 minutes per day.

Monthly average temperatures in Chengxi, China

The warmest months in Chengxi are June, July and August, with daily mean temperatures ranging from 28 to 29 °C (83 - 84 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 17 to 18 °C (63 - 65 °F) throughout the day. On average each year, Chengxi experiences 217 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Chengxi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum27°C
(81°F)		27°C
(82°F)		30°C
(86°F)		32°C
(90°F)		34°C
(94°F)		34°C
(94°F)		36°C
(97°F)		37°C
(98°F)		35°C
(95°F)		34°C
(94°F)		31°C
(87°F)		28°C
(82°F)
Mean maximum26°C
(79°F)		26°C
(79°F)		28°C
(83°F)		30°C
(87°F)		33°C
(92°F)		33°C
(92°F)		35°C
(95°F)		35°C
(95°F)		34°C
(94°F)		33°C
(91°F)		30°C
(86°F)		27°C
(80°F)
Average high21°C
(69°F)		21°C
(70°F)		24°C
(76°F)		26°C
(80°F)		30°C
(86°F)		31°C
(89°F)		32°C
(89°F)		31°C
(89°F)		31°C
(89°F)		28°C
(83°F)		26°C
(79°F)		22°C
(71°F)
Daily mean17°C
(63°F)		17°C
(63°F)		21°C
(70°F)		23°C
(74°F)		27°C
(81°F)		29°C
(84°F)		29°C
(84°F)		28°C
(83°F)		28°C
(83°F)		25°C
(77°F)		22°C
(72°F)		18°C
(65°F)
Average low14°C
(58°F)		14°C
(58°F)		19°C
(66°F)		21°C
(70°F)		25°C
(77°F)		27°C
(80°F)		27°C
(81°F)		26°C
(80°F)		26°C
(78°F)		23°C
(73°F)		19°C
(67°F)		15°C
(59°F)
Mean minimum8°C
(47°F)		9°C
(48°F)		13°C
(56°F)		15°C
(60°F)		20°C
(69°F)		25°C
(77°F)		25°C
(78°F)		25°C
(77°F)		24°C
(75°F)		18°C
(65°F)		15°C
(59°F)		9°C
(48°F)
Minimum5°C
(42°F)		5°C
(42°F)		10°C
(50°F)		12°C
(53°F)		16°C
(61°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		21°C
(70°F)		17°C
(62°F)		13°C
(55°F)		8°C
(46°F)

Compare climate in Chengxi with other places

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

Monthly average precipitation in Chengxi, China

Chengxi usually has the most precipitation in June, July and August, with an average of 25 rainy days and 300 mm (11.8 inches) of precipitation per month. The driest months in Chengxi are January, November and December. On average, 15 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Chengxi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)13 (0.5)58 (2.3)71 (2.8)103 (4.1)230 (9.1)271 (10.7)249 (9.8)381 (15.0)228 (9.0)158 (6.2)18 (0.7)13 (0.5)
Average precipitation days (≥ 1 mm)27141420252427231041

Monthly sunshine hours in Chengxi, China

The sunniest months in Chengxi are May, June and July, when the sun shines an average of 9 hours 51 minutes a day. Least sunny months in Chengxi: January, February and April receive an average of 7 hours 58 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Chengxi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours209250269256302290314273289278270273
Mean daily daylight hours10h 57m11h 24m12h 1m12h 38m13h 10m13h 25m13h 17m12h 50m12h 14m11h 37m11h 5m10h 49m

Solar UV radiation in Chengxi, China

Chengxi experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. January, November and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 9. For more detailed information, check out our hourly Chengxi UV Index data.

Average daily maximum UV levels by month for Chengxi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)810121214131413121297