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Monthly climate in Heyan, Chongqing, China

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Heyan features a humid subtropical climate (Cwa). Temperatures typically range between 5 °C (42 °F) and 27 °C (81 °F) through the year, but rarely can drop to -4 °C (25 °F) or can rise to as high as 36 °C (98 °F). The average annual precipitation amounts to about 1295 mm (51.0 inches) and receives 153 rainy days on the 1 mm (0.04 inches) threshold annually. Heyan enjoys an average of 2784 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 Heyan, Chongqing, China §

The warmest months in Heyan are June, July and August, with daily mean temperatures ranging from 23 to 27 °C (75 - 81 °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 - 45 °F) throughout the day. On average each year, Heyan experiences 104 days above 25 °C (77.0 °F) and 11 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Heyan, Chongqing, 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
(58°F)		 24°C
(75°F)		 29°C
(84°F)		 31°C
(87°F)		 33°C
(92°F)		 35°C
(95°F)		 36°C
(98°F)		 36°C
(97°F)		 34°C
(94°F)		 32°C
(90°F)		 23°C
(73°F)		 16°C
(61°F)
Mean maximum 13°C
(55°F)		 18°C
(64°F)		 25°C
(78°F)		 28°C
(84°F)		 31°C
(89°F)		 32°C
(89°F)		 35°C
(95°F)		 35°C
(96°F)		 33°C
(91°F)		 27°C
(82°F)		 22°C
(71°F)		 14°C
(57°F)
Average high 8°C
(48°F)		 11°C
(52°F)		 17°C
(62°F)		 21°C
(70°F)		 24°C
(76°F)		 27°C
(81°F)		 30°C
(86°F)		 32°C
(89°F)		 26°C
(79°F)		 20°C
(67°F)		 15°C
(59°F)		 10°C
(49°F)
Daily mean 5°C
(42°F)		 7°C
(45°F)		 12°C
(55°F)		 16°C
(62°F)		 20°C
(68°F)		 23°C
(75°F)		 26°C
(79°F)		 27°C
(81°F)		 22°C
(73°F)		 17°C
(62°F)		 11°C
(53°F)		 7°C
(44°F)
Average low 3°C
(37°F)		 4°C
(39°F)		 9°C
(48°F)		 12°C
(54°F)		 16°C
(61°F)		 20°C
(69°F)		 23°C
(73°F)		 23°C
(74°F)		 19°C
(67°F)		 14°C
(58°F)		 8°C
(47°F)		 4°C
(39°F)
Mean minimum -2°C
(29°F)		 -1°C
(31°F)		 4°C
(39°F)		 7°C
(45°F)		 12°C
(54°F)		 16°C
(61°F)		 20°C
(68°F)		 20°C
(68°F)		 15°C
(60°F)		 9°C
(49°F)		 3°C
(38°F)		 -1°C
(30°F)
Minimum -4°C
(25°F)		 -3°C
(27°F)		 2°C
(36°F)		 5°C
(42°F)		 10°C
(50°F)		 14°C
(58°F)		 19°C
(66°F)		 17°C
(63°F)		 14°C
(57°F)		 9°C
(48°F)		 1°C
(35°F)		 -2°C
(29°F)

Compare climate in Heyan with other places

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

Monthly average precipitation in Heyan, Chongqing, China §

Heyan usually has the most precipitation in June, July and September, with an average of 16 rainy days and 188 mm (7.4 inches) of precipitation per month. The driest months in Heyan are January, February and December. On average, 39 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Heyan, Chongqing, 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) 39 (1.5) 48 (1.9) 79 (3.1) 103 (4.1) 115 (4.5) 180 (7.1) 216 (8.5) 133 (5.2) 167 (6.6) 130 (5.1) 56 (2.2) 29 (1.2)
Average precipitation days (≥ 1 mm) 7 8 13 14 15 16 18 14 16 14 10 8

Monthly sunshine hours in Heyan, Chongqing, China §

The sunniest months in Heyan are June, July and August, when the sun shines an average of 9 hours 36 minutes a day. Least sunny months in Heyan: January, October and December receive an average of 5 hours 36 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Heyan, Chongqing, 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 151 207 238 242 259 265 303 315 238 181 191 188
Mean daily daylight hours 10h 21m 11h 3m 11h 59m 12h 56m 13h 44m 14h 8m 13h 55m 13h 14m 12h 19m 11h 22m 10h 33m 10h 8m

Solar UV radiation in Heyan, Chongqing, China §

Heyan experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 12 - 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 6. For more detailed information, check out our hourly Heyan UV Index data.

Average daily maximum UV levels by month for Heyan, Chongqing, 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 8 11 12 12 12 12 11 9 6 4

Detailed Monthly Weather Insights for Heyan, Chongqing, China

Discover in-depth weather details for every month in Heyan. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Heyan's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.