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Monthly climate in Heshan, Zhejiang, China

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Heshan features a humid subtropical climate (Cfa).Temperatures typically range between 6 °C (43 °F) and 29 °C (85 °F) through the year, but rarely can drop to -9 °C (17 °F) or can rise to as high as 39 °C (103 °F).The average annual precipitation amounts to about 1528 mm (60.2 inches) and receives 132 rainy days on the 1 mm (0.04 inches) threshold annually.Heshan enjoys an average of 2834 hours of sunshine throughout the year, and daylight varies from 10 hours 10 minutes to 14 hours 5 minutes per day.

Monthly average temperatures in Heshan, Zhejiang, China §

The warmest months in Heshan 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 6 to 8 °C (43 - 46 °F) throughout the day. On average each year, Heshan experiences 136 days above 25 °C (77.0 °F) and 17 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Heshan, Zhejiang, 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 22°C
(72°F)		 27°C
(80°F)		 29°C
(85°F)		 33°C
(92°F)		 37°C
(100°F)		 37°C
(99°F)		 39°C
(103°F)		 38°C
(101°F)		 36°C
(96°F)		 34°C
(94°F)		 30°C
(87°F)		 23°C
(73°F)
Mean maximum 18°C
(65°F)		 22°C
(71°F)		 27°C
(81°F)		 31°C
(88°F)		 35°C
(94°F)		 34°C
(93°F)		 38°C
(100°F)		 37°C
(98°F)		 34°C
(94°F)		 32°C
(89°F)		 26°C
(78°F)		 18°C
(66°F)
Average high 9°C
(49°F)		 11°C
(52°F)		 17°C
(63°F)		 22°C
(72°F)		 27°C
(81°F)		 29°C
(85°F)		 33°C
(91°F)		 33°C
(92°F)		 29°C
(85°F)		 24°C
(75°F)		 19°C
(66°F)		 12°C
(53°F)
Daily mean 6°C
(43°F)		 7°C
(45°F)		 12°C
(55°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)		 20°C
(67°F)		 14°C
(58°F)		 8°C
(46°F)
Average low 2°C
(37°F)		 3°C
(38°F)		 8°C
(47°F)		 12°C
(54°F)		 18°C
(64°F)		 22°C
(71°F)		 26°C
(78°F)		 26°C
(79°F)		 22°C
(72°F)		 16°C
(61°F)		 10°C
(51°F)		 4°C
(39°F)
Mean minimum -6°C
(22°F)		 -2°C
(28°F)		 2°C
(35°F)		 5°C
(41°F)		 12°C
(54°F)		 18°C
(64°F)		 22°C
(73°F)		 22°C
(72°F)		 17°C
(62°F)		 9°C
(49°F)		 4°C
(39°F)		 -3°C
(26°F)
Minimum -9°C
(17°F)		 -5°C
(24°F)		 -1°C
(30°F)		 4°C
(39°F)		 8°C
(46°F)		 14°C
(58°F)		 20°C
(69°F)		 17°C
(63°F)		 15°C
(59°F)		 8°C
(47°F)		 -0°C
(32°F)		 -5°C
(24°F)

Compare climate in Heshan with other places

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

Monthly average precipitation in Heshan, Zhejiang, China §

Heshan usually has the most precipitation in June, July and August, with an average of 15 rainy days and 247 mm (9.7 inches) of precipitation per month.The driest months in Heshan are October, November and December. On average, 53 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Heshan, Zhejiang, 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) 71 (2.8) 77 (3.0) 113 (4.5) 90 (3.5) 140 (5.5) 274 (10.8) 278 (10.9) 190 (7.5) 136 (5.4) 48 (1.9) 52 (2.1) 58 (2.3)
Average precipitation days (≥ 1 mm) 9 10 13 9 12 16 16 14 11 6 8 8

Monthly sunshine hours in Heshan, Zhejiang, China §

The sunniest months in Heshan are May, July and August, when the sun shines an average of 9 hours 20 minutes a day.Least sunny months in Heshan: January, February and December receive an average of 6 hours 3 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Heshan, Zhejiang, 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 144 195 218 248 272 249 287 308 249 231 217 210
Mean daily daylight hours 10h 22m 11h 4m 11h 59m 12h 55m 13h 42m 14h 5m 13h 53m 13h 13m 12h 19m 11h 23m 10h 35m 10h 10m

Solar UV radiation in Heshan, Zhejiang, China §

Heshan experiences the highest level of ultraviolet (UV) radiation in May, 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 Heshan UV Index data.

Average daily maximum UV levels by month for Heshan, Zhejiang, 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 10 11 11 11 11 10 8 6 4