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Monthly climate in Heshan, Hunan, 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 -6 °C (21 °F) or can rise to as high as 39 °C (103 °F).The average annual precipitation amounts to about 1553 mm (61.1 inches) and receives 156 rainy days on the 1 mm (0.04 inches) threshold annually.Heshan enjoys an average of 2683 hours of sunshine throughout the year, and daylight varies from 10 hours 21 minutes to 13 hours 54 minutes per day.

Monthly average temperatures in Heshan, Hunan, China §

The warmest months in Heshan are June, July and August, with daily mean temperatures ranging from 26 to 29 °C (79 - 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 - 47 °F) throughout the day. On average each year, Heshan experiences 134 days above 25 °C (77.0 °F) and 7 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, Hunan, 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 21°C
(70°F)		 27°C
(81°F)		 32°C
(89°F)		 33°C
(92°F)		 35°C
(96°F)		 35°C
(96°F)		 39°C
(103°F)		 39°C
(102°F)		 39°C
(102°F)		 37°C
(99°F)		 30°C
(86°F)		 20°C
(68°F)
Mean maximum 16°C
(62°F)		 23°C
(74°F)		 29°C
(84°F)		 31°C
(89°F)		 34°C
(93°F)		 33°C
(92°F)		 37°C
(99°F)		 38°C
(100°F)		 36°C
(97°F)		 32°C
(90°F)		 26°C
(79°F)		 18°C
(64°F)
Average high 8°C
(47°F)		 11°C
(53°F)		 17°C
(63°F)		 22°C
(72°F)		 26°C
(80°F)		 30°C
(85°F)		 33°C
(91°F)		 33°C
(92°F)		 29°C
(85°F)		 22°C
(72°F)		 18°C
(64°F)		 11°C
(53°F)
Daily mean 6°C
(43°F)		 8°C
(47°F)		 13°C
(56°F)		 18°C
(65°F)		 22°C
(73°F)		 26°C
(79°F)		 29°C
(85°F)		 29°C
(85°F)		 25°C
(78°F)		 18°C
(65°F)		 14°C
(57°F)		 8°C
(47°F)
Average low 3°C
(38°F)		 5°C
(41°F)		 10°C
(51°F)		 14°C
(58°F)		 19°C
(66°F)		 23°C
(74°F)		 26°C
(79°F)		 26°C
(79°F)		 22°C
(72°F)		 15°C
(60°F)		 10°C
(51°F)		 5°C
(41°F)
Mean minimum -3°C
(28°F)		 0°C
(33°F)		 5°C
(42°F)		 9°C
(48°F)		 14°C
(58°F)		 19°C
(66°F)		 23°C
(73°F)		 22°C
(72°F)		 18°C
(65°F)		 11°C
(52°F)		 4°C
(40°F)		 -1°C
(30°F)
Minimum -6°C
(21°F)		 -3°C
(26°F)		 4°C
(40°F)		 7°C
(44°F)		 12°C
(54°F)		 17°C
(62°F)		 21°C
(70°F)		 20°C
(69°F)		 17°C
(63°F)		 10°C
(50°F)		 4°C
(39°F)		 -4°C
(25°F)

Compare climate in Heshan with other places

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

Monthly average precipitation in Heshan, Hunan, China §

Heshan usually has the most precipitation in March, June and July, with an average of 17 rainy days and 211 mm (8.3 inches) of precipitation per month.The driest months in Heshan are January, November and December. On average, 59 mm (2.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Heshan, Hunan, 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) 66 (2.6) 84 (3.3) 196 (7.7) 156 (6.2) 190 (7.5) 208 (8.2) 229 (9.0) 140 (5.5) 101 (4.0) 73 (2.9) 63 (2.5) 47 (1.8)
Average precipitation days (≥ 1 mm) 9 12 18 17 14 17 16 14 11 10 9 9

Monthly sunshine hours in Heshan, Hunan, China §

The sunniest months in Heshan are June, July and August, when the sun shines an average of 9 hours 30 minutes a day.Least sunny months in Heshan: January, February and November receive an average of 5 hours 45 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Heshan, Hunan, 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 142 186 190 202 261 262 299 312 248 194 189 192
Mean daily daylight hours 10h 32m 11h 10m 11h 59m 12h 50m 13h 33m 13h 54m 13h 43m 13h 6m 12h 18m 11h 27m 10h 43m 10h 21m

Solar UV radiation in Heshan, Hunan, 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 - 12, 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 7. For more detailed information, check out our hourly Heshan UV Index data.

Average daily maximum UV levels by month for Heshan, Hunan, 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) 6 7 8 10 11 11 12 12 9 9 7 5