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Monthly climate in Dongguan, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Dongguan features a humid subtropical climate (Cfa). Temperatures typically range between 13 °C (55 °F) and 28 °C (82 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 39 °C (102 °F). The average annual precipitation amounts to about 1393 mm (54.8 inches) and receives 146 rainy days on the 1 mm (0.04 inches) threshold annually. Dongguan enjoys an average of 3081 hours of sunshine throughout the year, and daylight varies from 10 hours 34 minutes to 13 hours 40 minutes per day.

Monthly average temperatures in Dongguan, China

The warmest months in Dongguan are July, August and September, with daily mean temperatures ranging from 26 to 28 °C (80 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 13 to 14 °C (55 - 57 °F) throughout the day. On average each year, Dongguan experiences 175 days above 25 °C (77.0 °F) and 1 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Dongguan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum29°C
(84°F)		28°C
(83°F)		31°C
(89°F)		33°C
(92°F)		36°C
(97°F)		36°C
(97°F)		37°C
(99°F)		36°C
(97°F)		39°C
(102°F)		35°C
(96°F)		30°C
(87°F)		28°C
(83°F)
Mean maximum25°C
(78°F)		26°C
(79°F)		29°C
(84°F)		32°C
(89°F)		33°C
(92°F)		34°C
(93°F)		36°C
(97°F)		35°C
(95°F)		35°C
(96°F)		33°C
(92°F)		29°C
(85°F)		26°C
(80°F)
Average high18°C
(64°F)		18°C
(65°F)		21°C
(71°F)		25°C
(77°F)		28°C
(82°F)		30°C
(86°F)		32°C
(91°F)		32°C
(90°F)		31°C
(88°F)		27°C
(81°F)		23°C
(74°F)		19°C
(67°F)
Daily mean13°C
(55°F)		13°C
(56°F)		16°C
(62°F)		20°C
(67°F)		23°C
(74°F)		26°C
(79°F)		28°C
(82°F)		27°C
(81°F)		26°C
(80°F)		22°C
(72°F)		18°C
(65°F)		14°C
(57°F)
Average low9°C
(48°F)		9°C
(48°F)		12°C
(54°F)		15°C
(60°F)		20°C
(68°F)		23°C
(74°F)		24°C
(76°F)		24°C
(76°F)		23°C
(73°F)		18°C
(65°F)		14°C
(58°F)		10°C
(50°F)
Mean minimum1°C
(34°F)		2°C
(37°F)		6°C
(43°F)		8°C
(46°F)		14°C
(57°F)		20°C
(69°F)		23°C
(73°F)		23°C
(73°F)		18°C
(65°F)		12°C
(54°F)		9°C
(48°F)		3°C
(38°F)
Minimum-3°C
(27°F)		-2°C
(28°F)		2°C
(36°F)		5°C
(41°F)		10°C
(50°F)		18°C
(64°F)		22°C
(72°F)		22°C
(72°F)		15°C
(60°F)		10°C
(51°F)		6°C
(43°F)		1°C
(34°F)

Compare climate in Dongguan with other places

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

Monthly average precipitation in Dongguan, China

Dongguan usually has the most precipitation in May, June and August, with an average of 20 rainy days and 247 mm (9.7 inches) of precipitation per month. The driest months in Dongguan are January, October and December. On average, 32 mm (1.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Dongguan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)33 (1.3)60 (2.4)121 (4.8)99 (3.9)205 (8.1)285 (11.2)135 (5.3)251 (9.9)94 (3.7)39 (1.5)46 (1.8)25 (1.0)
Average precipitation days (≥ 1 mm)5815131921152013575

Monthly sunshine hours in Dongguan, China

The sunniest months in Dongguan are July, August and September, when the sun shines an average of 9 hours 40 minutes a day. Least sunny months in Dongguan: January, February and June receive an average of 7 hours 17 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Dongguan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours199224257261279232310295282259236241
Mean daily daylight hours10h 44m11h 17m12h 0m12h 44m13h 22m13h 40m13h 31m12h 58m12h 16m11h 32m10h 54m10h 34m

Solar UV radiation in Dongguan, China

Dongguan experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 13 - 13, 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 8. For more detailed information, check out our hourly Dongguan UV Index data.

Average daily maximum UV levels by month for Dongguan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)79111213131313111087