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Monthly climate in Heyun, Guangdong, China

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Heyun features a humid subtropical climate (Cfa).Temperatures typically range between 13 °C (56 °F) and 28 °C (83 °F) through the year, but rarely can drop to -1 °C (31 °F) or can rise to as high as 37 °C (98 °F).The average annual precipitation amounts to about 2126 mm (83.7 inches) and receives 188 rainy days on the 1 mm (0.04 inches) threshold annually.Heyun enjoys an average of 2836 hours of sunshine throughout the year, and daylight varies from 10 hours 40 minutes to 13 hours 34 minutes per day.

Monthly average temperatures in Heyun, Guangdong, China §

The warmest months in Heyun are June, July and August, with daily mean temperatures ranging from 27 to 28 °C (81 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 13 to 14 °C (56 - 57 °F) throughout the day. On average each year, Heyun experiences 177 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Heyun, Guangdong, 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 27°C
(81°F)		 28°C
(82°F)		 30°C
(87°F)		 31°C
(89°F)		 34°C
(94°F)		 35°C
(95°F)		 37°C
(98°F)		 37°C
(98°F)		 35°C
(95°F)		 35°C
(95°F)		 30°C
(86°F)		 27°C
(82°F)
Mean maximum 24°C
(76°F)		 26°C
(79°F)		 28°C
(83°F)		 31°C
(87°F)		 33°C
(92°F)		 34°C
(93°F)		 36°C
(97°F)		 36°C
(96°F)		 35°C
(94°F)		 33°C
(91°F)		 29°C
(84°F)		 25°C
(78°F)
Average high 17°C
(63°F)		 18°C
(64°F)		 21°C
(71°F)		 24°C
(76°F)		 29°C
(84°F)		 31°C
(87°F)		 32°C
(91°F)		 32°C
(90°F)		 31°C
(89°F)		 27°C
(81°F)		 23°C
(74°F)		 18°C
(65°F)
Daily mean 13°C
(56°F)		 14°C
(57°F)		 18°C
(65°F)		 21°C
(70°F)		 25°C
(78°F)		 27°C
(81°F)		 28°C
(83°F)		 28°C
(83°F)		 27°C
(81°F)		 23°C
(73°F)		 19°C
(66°F)		 14°C
(57°F)
Average low 10°C
(50°F)		 11°C
(52°F)		 15°C
(60°F)		 18°C
(64°F)		 22°C
(73°F)		 25°C
(77°F)		 26°C
(78°F)		 25°C
(78°F)		 24°C
(75°F)		 20°C
(67°F)		 15°C
(60°F)		 10°C
(51°F)
Mean minimum 3°C
(38°F)		 5°C
(41°F)		 10°C
(50°F)		 11°C
(53°F)		 17°C
(63°F)		 22°C
(72°F)		 24°C
(75°F)		 23°C
(74°F)		 21°C
(70°F)		 15°C
(58°F)		 10°C
(51°F)		 5°C
(41°F)
Minimum -1°C
(31°F)		 1°C
(33°F)		 7°C
(44°F)		 8°C
(47°F)		 13°C
(56°F)		 19°C
(67°F)		 23°C
(74°F)		 23°C
(74°F)		 17°C
(62°F)		 12°C
(55°F)		 9°C
(49°F)		 4°C
(39°F)

Compare climate in Heyun with other places

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

Monthly average precipitation in Heyun, Guangdong, China §

Heyun usually has the most precipitation in June, July and August, with an average of 24 rainy days and 333 mm (13.1 inches) of precipitation per month.The driest months in Heyun are January, November and December. On average, 39 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Heyun, Guangdong, 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) 42 (1.6) 114 (4.5) 205 (8.1) 224 (8.8) 228 (9.0) 472 (18.6) 236 (9.3) 291 (11.5) 164 (6.4) 75 (2.9) 46 (1.8) 29 (1.1)
Average precipitation days (≥ 1 mm) 6 10 21 19 22 26 22 24 18 8 7 5

Monthly sunshine hours in Heyun, Guangdong, China §

The sunniest months in Heyun are July, August and September, when the sun shines an average of 9 hours 21 minutes a day.Least sunny months in Heyun: January, March and April receive an average of 5 hours 52 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Heyun, Guangdong, 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 180 200 172 188 257 244 294 289 276 259 231 240
Mean daily daylight hours 10h 49m 11h 20m 12h 0m 12h 42m 13h 17m 13h 34m 13h 26m 12h 55m 12h 15m 11h 34m 10h 58m 10h 40m

Solar UV radiation in Heyun, Guangdong, China §

Heyun experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 13 - 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 9. For more detailed information, check out our hourly Heyun UV Index data.

Average daily maximum UV levels by month for Heyun, Guangdong, 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) 7 9 12 12 13 12 13 13 11 10 9 7