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Monthly climate in Dongwan, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Dongwan features a cold desert climate (BWk). Temperatures typically range between -11 °C (13 °F) and 21 °C (70 °F) through the year, but rarely can drop to -27 °C (-15 °F) or can rise to as high as 33 °C (92 °F). The average annual precipitation amounts to about 571 mm (22.5 inches) and receives 92 rainy days on the 1 mm (0.04 inches) threshold annually. Dongwan enjoys an average of 3774 hours of sunshine throughout the year, and daylight varies from 8 hours 55 minutes to 15 hours 25 minutes per day.

Monthly average temperatures in Dongwan, China

The warmest months in Dongwan are June, July and August, with daily mean temperatures ranging from 18 to 21 °C (64 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -11 to -7 °C (13 - 19 °F) throughout the day. On average each year, Dongwan experiences 36 days above 25 °C (77.0 °F) and 146 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Dongwan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum0°C
(33°F)		7°C
(46°F)		17°C
(63°F)		27°C
(81°F)		29°C
(85°F)		30°C
(86°F)		33°C
(92°F)		31°C
(88°F)		29°C
(85°F)		21°C
(70°F)		15°C
(59°F)		3°C
(37°F)
Mean maximum-3°C
(28°F)		3°C
(37°F)		14°C
(57°F)		24°C
(75°F)		27°C
(81°F)		26°C
(80°F)		31°C
(88°F)		29°C
(85°F)		26°C
(80°F)		18°C
(65°F)		11°C
(53°F)		-0°C
(31°F)
Average high-8°C
(18°F)		-4°C
(25°F)		4°C
(40°F)		14°C
(58°F)		19°C
(67°F)		22°C
(72°F)		25°C
(78°F)		24°C
(75°F)		19°C
(67°F)		10°C
(51°F)		1°C
(34°F)		-6°C
(21°F)
Daily mean-11°C
(13°F)		-7°C
(19°F)		1°C
(34°F)		9°C
(49°F)		14°C
(58°F)		18°C
(64°F)		21°C
(70°F)		19°C
(67°F)		14°C
(58°F)		6°C
(43°F)		-3°C
(28°F)		-9°C
(16°F)
Average low-14°C
(7°F)		-11°C
(13°F)		-3°C
(27°F)		4°C
(39°F)		9°C
(48°F)		13°C
(56°F)		16°C
(61°F)		14°C
(58°F)		9°C
(49°F)		1°C
(35°F)		-6°C
(21°F)		-12°C
(11°F)
Mean minimum-21°C
(-5°F)		-17°C
(2°F)		-11°C
(12°F)		-4°C
(26°F)		0°C
(33°F)		8°C
(46°F)		12°C
(54°F)		10°C
(50°F)		2°C
(37°F)		-5°C
(23°F)		-14°C
(7°F)		-17°C
(1°F)
Minimum-27°C
(-15°F)		-20°C
(-4°F)		-14°C
(7°F)		-8°C
(18°F)		-4°C
(26°F)		4°C
(39°F)		7°C
(45°F)		8°C
(46°F)		1°C
(34°F)		-9°C
(16°F)		-15°C
(6°F)		-20°C
(-3°F)

Compare climate in Dongwan with other places

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

Monthly average precipitation in Dongwan, China

Dongwan usually has the most precipitation in April, May and August, with an average of 11 rainy days and 86 mm (3.4 inches) of precipitation per month. The driest months in Dongwan are January, February and December. On average, 12 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Dongwan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)9 (0.4)13 (0.5)34 (1.3)88 (3.5)98 (3.9)72 (2.8)44 (1.7)73 (2.9)52 (2.1)42 (1.7)32 (1.3)13 (0.5)
Average precipitation days (≥ 1 mm)2371214117910863

Monthly sunshine hours in Dongwan, China

The sunniest months in Dongwan are May, July and August, when the sun shines an average of 12 hours 29 minutes a day. Least sunny months in Dongwan: January, November and December receive an average of 7 hours 33 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Dongwan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours199257320338379363401381336300256239
Mean daily daylight hours9h 17m10h 27m11h 56m13h 27m14h 45m15h 25m15h 4m13h 55m12h 28m10h 57m9h 37m8h 55m

Solar UV radiation in Dongwan, China

Dongwan experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure. January, November 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 Dongwan UV Index data.

Average daily maximum UV levels by month for Dongwan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)247811101198632