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Monthly climate in Suzhou, Jiangsu, China

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Suzhou features a humid subtropical climate (Cfa).Temperatures typically range between 5 °C (42 °F) and 29 °C (85 °F) through the year, but rarely can drop to -7 °C (20 °F) or can rise to as high as 38 °C (101 °F).The average annual precipitation amounts to about 1431 mm (56.3 inches) and receives 133 rainy days on the 1 mm (0.04 inches) threshold annually.Suzhou enjoys an average of 2893 hours of sunshine throughout the year, and daylight varies from 10 hours 8 minutes to 14 hours 8 minutes per day.

Monthly average temperatures in Suzhou, Jiangsu, China §

The warmest months in Suzhou are July, August and September, with daily mean temperatures ranging from 25 to 29 °C (78 - 85 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 7 °C (42 - 46 °F) throughout the day. On average each year, Suzhou experiences 122 days above 25 °C (77.0 °F) and 10 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Suzhou, Jiangsu, China.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 16°C
(61°F)		 21°C
(71°F)		 27°C
(80°F)		 30°C
(87°F)		 35°C
(96°F)		 35°C
(95°F)		 38°C
(101°F)		 36°C
(98°F)		 34°C
(93°F)		 31°C
(88°F)		 26°C
(80°F)		 19°C
(66°F)
Mean maximum 13°C
(56°F)		 17°C
(64°F)		 24°C
(76°F)		 28°C
(82°F)		 32°C
(90°F)		 32°C
(90°F)		 36°C
(97°F)		 35°C
(95°F)		 32°C
(91°F)		 29°C
(84°F)		 23°C
(73°F)		 15°C
(60°F)
Average high 8°C
(46°F)		 10°C
(50°F)		 15°C
(60°F)		 21°C
(69°F)		 25°C
(78°F)		 28°C
(83°F)		 31°C
(89°F)		 32°C
(90°F)		 28°C
(82°F)		 22°C
(72°F)		 17°C
(63°F)		 10°C
(51°F)
Daily mean 5°C
(42°F)		 7°C
(44°F)		 12°C
(54°F)		 17°C
(63°F)		 22°C
(72°F)		 25°C
(77°F)		 29°C
(84°F)		 29°C
(85°F)		 25°C
(78°F)		 19°C
(67°F)		 14°C
(58°F)		 7°C
(46°F)
Average low 3°C
(38°F)		 4°C
(39°F)		 9°C
(49°F)		 13°C
(56°F)		 19°C
(66°F)		 22°C
(73°F)		 26°C
(80°F)		 27°C
(81°F)		 23°C
(74°F)		 17°C
(63°F)		 11°C
(53°F)		 5°C
(41°F)
Mean minimum -3°C
(26°F)		 -0°C
(32°F)		 4°C
(39°F)		 8°C
(46°F)		 14°C
(58°F)		 19°C
(67°F)		 23°C
(75°F)		 24°C
(76°F)		 19°C
(66°F)		 12°C
(53°F)		 6°C
(42°F)		 -2°C
(29°F)
Minimum -7°C
(20°F)		 -3°C
(27°F)		 1°C
(35°F)		 6°C
(43°F)		 12°C
(55°F)		 18°C
(65°F)		 21°C
(70°F)		 22°C
(71°F)		 17°C
(63°F)		 11°C
(52°F)		 4°C
(40°F)		 -5°C
(23°F)

Compare climate in Suzhou with other places

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

Monthly average precipitation in Suzhou, Jiangsu, China §

Suzhou usually has the most precipitation in June, July and August, with an average of 14 rainy days and 216 mm (8.5 inches) of precipitation per month.The driest months in Suzhou are October, November and December. On average, 56 mm (2.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Suzhou, Jiangsu, China.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 78 (3.1) 81 (3.2) 101 (4.0) 83 (3.3) 126 (4.9) 207 (8.1) 272 (10.7) 171 (6.7) 143 (5.6) 55 (2.2) 55 (2.2) 60 (2.4)
Average precipitation days (≥ 1 mm) 9 10 13 10 11 14 15 14 12 8 9 8

Monthly sunshine hours in Suzhou, Jiangsu, China §

The sunniest months in Suzhou are May, July and August, when the sun shines an average of 9 hours 22 minutes a day.Least sunny months in Suzhou: January, February and December receive an average of 6 hours 12 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Suzhou, Jiangsu, China.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 150 201 230 251 276 261 287 307 256 236 220 213
Mean daily daylight hours 10h 20m 11h 3m 11h 59m 12h 56m 13h 44m 14h 8m 13h 56m 13h 14m 12h 19m 11h 22m 10h 33m 10h 8m

Solar UV radiation in Suzhou, Jiangsu, China §

Suzhou experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 11 - 11, which corresponds to the Extreme category of sun exposure.January, February and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Suzhou UV Index data.

Average daily maximum UV levels by month for Suzhou, Jiangsu, China.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 5 6 9 9 10 11 11 11 10 7 6 4