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Monthly climate in Dongguan, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Dongguan features a cold semi-arid climate (BSk). Temperatures typically range between -7 °C (20 °F) and 24 °C (75 °F) through the year, but rarely can drop to -25 °C (-13 °F) or can rise to as high as 36 °C (96 °F). The average annual precipitation amounts to about 479 mm (18.8 inches) and receives 57 rainy days on the 1 mm (0.04 inches) threshold annually. Dongguan enjoys an average of 3525 hours of sunshine throughout the year, and daylight varies from 9 hours 28 minutes to 14 hours 50 minutes per day.

Monthly average temperatures in Dongguan, China

The warmest months in Dongguan are June, July and August, with daily mean temperatures ranging from 22 to 24 °C (71 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -7 to -3 °C (20 - 27 °F) throughout the day. On average each year, Dongguan experiences 88 days above 25 °C (77.0 °F) and 130 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
Maximum8°C
(47°F)		17°C
(62°F)		25°C
(77°F)		30°C
(86°F)		35°C
(95°F)		35°C
(95°F)		36°C
(96°F)		34°C
(94°F)		31°C
(89°F)		28°C
(82°F)		18°C
(65°F)		8°C
(46°F)
Mean maximum5°C
(42°F)		13°C
(55°F)		20°C
(69°F)		28°C
(82°F)		33°C
(91°F)		33°C
(91°F)		35°C
(95°F)		32°C
(91°F)		28°C
(83°F)		24°C
(75°F)		17°C
(62°F)		6°C
(43°F)
Average high-1°C
(30°F)		3°C
(38°F)		12°C
(53°F)		18°C
(64°F)		24°C
(75°F)		28°C
(83°F)		29°C
(85°F)		27°C
(81°F)		23°C
(74°F)		15°C
(59°F)		7°C
(46°F)		-1°C
(30°F)
Daily mean-7°C
(20°F)		-3°C
(27°F)		5°C
(42°F)		12°C
(53°F)		18°C
(64°F)		23°C
(73°F)		24°C
(75°F)		22°C
(71°F)		17°C
(63°F)		9°C
(49°F)		2°C
(35°F)		-7°C
(20°F)
Average low-12°C
(10°F)		-9°C
(16°F)		-1°C
(31°F)		5°C
(42°F)		11°C
(52°F)		16°C
(61°F)		19°C
(66°F)		17°C
(63°F)		12°C
(53°F)		4°C
(39°F)		-3°C
(26°F)		-11°C
(12°F)
Mean minimum-21°C
(-5°F)		-17°C
(1°F)		-7°C
(20°F)		-3°C
(27°F)		4°C
(40°F)		10°C
(51°F)		14°C
(58°F)		12°C
(53°F)		6°C
(44°F)		-4°C
(25°F)		-11°C
(12°F)		-20°C
(-3°F)
Minimum-25°C
(-13°F)		-20°C
(-4°F)		-8°C
(18°F)		-5°C
(22°F)		2°C
(35°F)		9°C
(48°F)		12°C
(54°F)		10°C
(50°F)		3°C
(38°F)		-6°C
(22°F)		-13°C
(9°F)		-24°C
(-11°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 July, August and September, with an average of 9 rainy days and 90 mm (3.5 inches) of precipitation per month. The driest months in Dongguan are January, February and December. On average, 4 mm (0.2 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)3 (0.1)6 (0.3)22 (0.8)33 (1.3)35 (1.4)42 (1.6)112 (4.4)105 (4.2)51 (2.0)51 (2.0)15 (0.6)3 (0.1)
Average precipitation days (≥ 1 mm)11454511107621

Monthly sunshine hours in Dongguan, China

The sunniest months in Dongguan are May, June and July, when the sun shines an average of 11 hours 4 minutes a day. Least sunny months in Dongguan: January, October and November receive an average of 8 hours 4 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 hours217270302302339330348330288266259269
Mean daily daylight hours9h 45m10h 43m11h 57m13h 13m14h 18m14h 50m14h 34m13h 37m12h 24m11h 8m10h 2m9h 28m

Solar UV radiation in Dongguan, China

Dongguan 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 Low / 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 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)3469101111108642