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Monthly climate in Wuxi, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Wuxi features a humid subtropical climate (Cfa). Temperatures typically range between 7 °C (45 °F) and 30 °C (87 °F) through the year, but rarely can drop to -4 °C (26 °F) or can rise to as high as 40 °C (104 °F). The average annual precipitation amounts to about 1327 mm (52.3 inches) and receives 155 rainy days on the 1 mm (0.04 inches) threshold annually. Wuxi enjoys an average of 2659 hours of sunshine throughout the year, and daylight varies from 10 hours 29 minutes to 13 hours 46 minutes per day.

Monthly average temperatures in Wuxi, China

The warmest months in Wuxi are July, August and September, with daily mean temperatures ranging from 27 to 30 °C (81 - 87 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 9 °C (45 - 49 °F) throughout the day. On average each year, Wuxi experiences 149 days above 25 °C (77.0 °F) and 5 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Wuxi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum23°C
(74°F)		27°C
(81°F)		31°C
(88°F)		33°C
(92°F)		37°C
(99°F)		36°C
(97°F)		39°C
(103°F)		40°C
(104°F)		39°C
(102°F)		38°C
(100°F)		30°C
(86°F)		25°C
(78°F)
Mean maximum20°C
(68°F)		25°C
(78°F)		29°C
(84°F)		31°C
(89°F)		34°C
(93°F)		33°C
(92°F)		38°C
(101°F)		39°C
(102°F)		37°C
(100°F)		34°C
(93°F)		27°C
(81°F)		21°C
(69°F)
Average high10°C
(50°F)		12°C
(55°F)		18°C
(64°F)		23°C
(74°F)		27°C
(82°F)		30°C
(87°F)		34°C
(94°F)		35°C
(95°F)		32°C
(89°F)		23°C
(74°F)		19°C
(66°F)		12°C
(55°F)
Daily mean7°C
(45°F)		9°C
(49°F)		14°C
(58°F)		19°C
(66°F)		24°C
(75°F)		27°C
(81°F)		30°C
(86°F)		30°C
(87°F)		27°C
(81°F)		20°C
(68°F)		15°C
(59°F)		9°C
(48°F)
Average low5°C
(40°F)		6°C
(43°F)		11°C
(53°F)		15°C
(60°F)		20°C
(68°F)		24°C
(75°F)		27°C
(80°F)		27°C
(80°F)		24°C
(75°F)		17°C
(62°F)		11°C
(53°F)		6°C
(43°F)
Mean minimum-1°C
(31°F)		1°C
(34°F)		6°C
(43°F)		9°C
(48°F)		15°C
(59°F)		19°C
(67°F)		24°C
(75°F)		23°C
(74°F)		19°C
(67°F)		12°C
(53°F)		6°C
(43°F)		-1°C
(31°F)
Minimum-3°C
(26°F)		-4°C
(26°F)		4°C
(40°F)		7°C
(45°F)		11°C
(51°F)		17°C
(63°F)		21°C
(69°F)		22°C
(72°F)		17°C
(63°F)		10°C
(51°F)		6°C
(42°F)		-2°C
(28°F)

Compare climate in Wuxi with other places

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

Monthly average precipitation in Wuxi, China

Wuxi usually has the most precipitation in May, June and July, with an average of 14 rainy days and 187 mm (7.4 inches) of precipitation per month. The driest months in Wuxi are January, September and December. On average, 55 mm (2.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Wuxi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)56 (2.2)77 (3.0)143 (5.6)125 (4.9)183 (7.2)200 (7.9)177 (7.0)107 (4.2)59 (2.3)74 (2.9)76 (3.0)49 (1.9)
Average precipitation days (≥ 1 mm)9121917161611149111110

Monthly sunshine hours in Wuxi, China

The sunniest months in Wuxi are May, July and August, when the sun shines an average of 9 hours 38 minutes a day. Least sunny months in Wuxi: January, February and March receive an average of 5 hours 31 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Wuxi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours141179181199270247305320250183192186
Mean daily daylight hours10h 39m11h 14m12h 0m12h 47m13h 26m13h 46m13h 36m13h 1m12h 17m11h 30m10h 49m10h 29m

Solar UV radiation in Wuxi, China

Wuxi experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 12 - 13, which corresponds to the Extreme category of sun exposure. January, February 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 Wuxi UV Index data.

Average daily maximum UV levels by month for Wuxi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)6810111213131210986