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Monthly climate in Chengdong, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Chengdong features a humid continental climate (Dwa). Temperatures typically range between -7 °C (19 °F) and 27 °C (80 °F) through the year, but rarely can drop to -22 °C (-8 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 637 mm (25.1 inches) and receives 67 rainy days on the 1 mm (0.04 inches) threshold annually. Chengdong enjoys an average of 3314 hours of sunshine throughout the year, and daylight varies from 9 hours 18 minutes to 15 hours 1 minutes per day.

Monthly average temperatures in Chengdong, China

The warmest months in Chengdong are June, July and August, 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 -7 to -4 °C (19 - 25 °F) throughout the day. On average each year, Chengdong experiences 99 days above 25 °C (77.0 °F) and 118 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Chengdong. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum7°C
(45°F)		13°C
(56°F)		19°C
(67°F)		28°C
(82°F)		33°C
(92°F)		36°C
(96°F)		36°C
(98°F)		38°C
(101°F)		30°C
(87°F)		29°C
(85°F)		21°C
(69°F)		11°C
(52°F)
Mean maximum5°C
(42°F)		11°C
(52°F)		17°C
(63°F)		26°C
(79°F)		30°C
(86°F)		31°C
(88°F)		35°C
(95°F)		34°C
(93°F)		30°C
(86°F)		25°C
(78°F)		19°C
(66°F)		8°C
(46°F)
Average high-2°C
(29°F)		1°C
(35°F)		10°C
(50°F)		17°C
(64°F)		24°C
(75°F)		27°C
(82°F)		30°C
(87°F)		29°C
(85°F)		25°C
(78°F)		18°C
(64°F)		9°C
(48°F)		0°C
(32°F)
Daily mean-7°C
(19°F)		-4°C
(25°F)		4°C
(40°F)		13°C
(55°F)		19°C
(66°F)		23°C
(74°F)		27°C
(80°F)		25°C
(78°F)		20°C
(69°F)		12°C
(54°F)		4°C
(39°F)		-4°C
(24°F)
Average low-12°C
(11°F)		-9°C
(17°F)		-1°C
(31°F)		7°C
(45°F)		13°C
(57°F)		19°C
(66°F)		23°C
(74°F)		22°C
(72°F)		16°C
(61°F)		7°C
(45°F)		-1°C
(31°F)		-9°C
(16°F)
Mean minimum-18°C
(-1°F)		-16°C
(3°F)		-8°C
(17°F)		-0°C
(32°F)		6°C
(44°F)		14°C
(57°F)		19°C
(66°F)		16°C
(61°F)		9°C
(49°F)		-0°C
(32°F)		-9°C
(17°F)		-17°C
(2°F)
Minimum-22°C
(-8°F)		-19°C
(-3°F)		-11°C
(12°F)		-3°C
(28°F)		5°C
(41°F)		12°C
(54°F)		18°C
(64°F)		11°C
(52°F)		7°C
(45°F)		-2°C
(29°F)		-11°C
(13°F)		-18°C
(-0°F)

Compare climate in Chengdong with other places

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

Monthly average precipitation in Chengdong, China

Chengdong usually has the most precipitation in July, August and September, with an average of 11 rainy days and 123 mm (4.8 inches) of precipitation per month. The driest months in Chengdong are January, February and December. On average, 7 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Chengdong. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)5 (0.2)9 (0.3)14 (0.6)25 (1.0)61 (2.4)66 (2.6)86 (3.4)190 (7.5)92 (3.6)51 (2.0)31 (1.2)7 (0.3)
Average precipitation days (≥ 1 mm)11357710149532

Monthly sunshine hours in Chengdong, China

The sunniest months in Chengdong are May, June and July, when the sun shines an average of 10 hours 27 minutes a day. Least sunny months in Chengdong: January, November and December receive an average of 7 hours 19 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Chengdong. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours200246288294321318322302281264233239
Mean daily daylight hours9h 36m10h 38m11h 56m13h 17m14h 26m15h 1m14h 43m13h 43m12h 25m11h 5m9h 55m9h 18m

Solar UV radiation in Chengdong, China

Chengdong experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure. January, February and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Chengdong UV Index data.

Average daily maximum UV levels by month for Chengdong. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)2357891097532