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Monthly climate in Sihu, Jiangsu, China

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Sihu features a humid subtropical climate (Cwa).Temperatures typically range between 1 °C (34 °F) and 27 °C (81 °F) through the year, but rarely can drop to -14 °C (7 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 931 mm (36.6 inches) and receives 76 rainy days on the 1 mm (0.04 inches) threshold annually.Sihu enjoys an average of 3145 hours of sunshine throughout the year, and daylight varies from 9 hours 50 minutes to 14 hours 26 minutes per day.

Monthly average temperatures in Sihu, Jiangsu, China §

The warmest months in Sihu are June, July and August, with daily mean temperatures ranging from 25 to 27 °C (78 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 4 °C (34 - 39 °F) throughout the day. On average each year, Sihu experiences 122 days above 25 °C (77.0 °F) and 66 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sihu, 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 14°C
(57°F)		 25°C
(77°F)		 28°C
(82°F)		 31°C
(88°F)		 36°C
(98°F)		 37°C
(98°F)		 37°C
(99°F)		 36°C
(97°F)		 33°C
(92°F)		 32°C
(90°F)		 25°C
(77°F)		 16°C
(60°F)
Mean maximum 12°C
(54°F)		 18°C
(65°F)		 24°C
(76°F)		 29°C
(84°F)		 34°C
(93°F)		 35°C
(96°F)		 36°C
(96°F)		 35°C
(95°F)		 32°C
(90°F)		 28°C
(83°F)		 23°C
(73°F)		 14°C
(57°F)
Average high 6°C
(43°F)		 9°C
(49°F)		 15°C
(60°F)		 21°C
(69°F)		 26°C
(80°F)		 30°C
(87°F)		 31°C
(88°F)		 31°C
(88°F)		 28°C
(82°F)		 21°C
(70°F)		 16°C
(60°F)		 8°C
(47°F)
Daily mean 1°C
(34°F)		 4°C
(39°F)		 10°C
(50°F)		 15°C
(60°F)		 21°C
(70°F)		 25°C
(78°F)		 27°C
(81°F)		 27°C
(81°F)		 23°C
(74°F)		 16°C
(61°F)		 10°C
(50°F)		 3°C
(37°F)
Average low -3°C
(27°F)		 -1°C
(31°F)		 5°C
(41°F)		 10°C
(50°F)		 16°C
(60°F)		 20°C
(69°F)		 24°C
(75°F)		 24°C
(75°F)		 19°C
(66°F)		 11°C
(52°F)		 5°C
(41°F)		 -2°C
(29°F)
Mean minimum -9°C
(16°F)		 -6°C
(22°F)		 -2°C
(29°F)		 3°C
(37°F)		 9°C
(49°F)		 16°C
(60°F)		 21°C
(70°F)		 18°C
(65°F)		 14°C
(57°F)		 3°C
(38°F)		 -3°C
(28°F)		 -8°C
(18°F)
Minimum -14°C
(7°F)		 -8°C
(17°F)		 -4°C
(25°F)		 2°C
(36°F)		 6°C
(44°F)		 14°C
(57°F)		 18°C
(64°F)		 15°C
(60°F)		 12°C
(54°F)		 1°C
(34°F)		 -4°C
(25°F)		 -10°C
(14°F)

Compare climate in Sihu with other places

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

Monthly average precipitation in Sihu, Jiangsu, China §

Sihu usually has the most precipitation in June, July and August, with an average of 12 rainy days and 205 mm (8.1 inches) of precipitation per month.The driest months in Sihu are February, October and December. On average, 21 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sihu, 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) 25 (1.0) 24 (0.9) 28 (1.1) 36 (1.4) 59 (2.3) 126 (5.0) 277 (10.9) 211 (8.3) 81 (3.2) 24 (0.9) 26 (1.0) 14 (0.6)
Average precipitation days (≥ 1 mm) 3 3 4 7 6 7 15 14 6 4 4 3

Monthly sunshine hours in Sihu, Jiangsu, China §

The sunniest months in Sihu are May, June and July, when the sun shines an average of 9 hours 54 minutes a day.Least sunny months in Sihu: January, October and November receive an average of 7 hours 8 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sihu, 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 193 235 272 272 306 300 304 289 268 234 228 239
Mean daily daylight hours 10h 5m 10h 54m 11h 58m 13h 3m 13h 59m 14h 26m 14h 12m 13h 24m 12h 21m 11h 16m 10h 19m 9h 50m

Solar UV radiation in Sihu, Jiangsu, China §

Sihu experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 10 - 10, which corresponds to the Very High category of sun exposure.January, February and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Sihu UV Index data.

Average daily maximum UV levels by month for Sihu, 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) 3 5 7 9 10 10 10 10 9 7 5 3