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Monthly climate in Haicheng, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Haicheng features a humid subtropical climate (Cwa). Temperatures typically range between 16 °C (61 °F) and 28 °C (83 °F) through the year, but rarely can drop to 2 °C (36 °F) or can rise to as high as 37 °C (100 °F). The average annual precipitation amounts to about 1717 mm (67.6 inches) and receives 168 rainy days on the 1 mm (0.04 inches) threshold annually. Haicheng enjoys an average of 3117 hours of sunshine throughout the year, and daylight varies from 10 hours 43 minutes to 13 hours 31 minutes per day.

Monthly average temperatures in Haicheng, China

The warmest months in Haicheng are June, July and August, with daily mean temperatures ranging from 28 to 28 °C (82 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 16 to 17 °C (61 - 63 °F) throughout the day. On average each year, Haicheng experiences 214 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 Haicheng. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum27°C
(81°F)		29°C
(84°F)		31°C
(89°F)		33°C
(92°F)		37°C
(100°F)		36°C
(97°F)		36°C
(97°F)		36°C
(98°F)		35°C
(95°F)		35°C
(95°F)		31°C
(88°F)		29°C
(84°F)
Mean maximum26°C
(79°F)		27°C
(81°F)		29°C
(85°F)		32°C
(89°F)		33°C
(92°F)		33°C
(92°F)		35°C
(95°F)		35°C
(95°F)		34°C
(94°F)		33°C
(91°F)		30°C
(87°F)		27°C
(82°F)
Average high20°C
(69°F)		21°C
(70°F)		24°C
(75°F)		26°C
(80°F)		29°C
(85°F)		30°C
(87°F)		32°C
(89°F)		31°C
(89°F)		31°C
(89°F)		28°C
(83°F)		26°C
(78°F)		22°C
(71°F)
Daily mean16°C
(61°F)		16°C
(61°F)		20°C
(68°F)		22°C
(72°F)		26°C
(79°F)		28°C
(82°F)		28°C
(83°F)		28°C
(83°F)		28°C
(82°F)		24°C
(76°F)		21°C
(70°F)		17°C
(63°F)
Average low12°C
(54°F)		13°C
(55°F)		16°C
(62°F)		19°C
(67°F)		23°C
(74°F)		26°C
(78°F)		26°C
(79°F)		26°C
(79°F)		25°C
(77°F)		21°C
(71°F)		18°C
(64°F)		13°C
(56°F)
Mean minimum6°C
(43°F)		7°C
(45°F)		11°C
(53°F)		13°C
(56°F)		18°C
(65°F)		24°C
(75°F)		25°C
(77°F)		24°C
(75°F)		23°C
(73°F)		16°C
(62°F)		14°C
(57°F)		8°C
(46°F)
Minimum2°C
(36°F)		3°C
(38°F)		8°C
(47°F)		11°C
(52°F)		15°C
(60°F)		22°C
(72°F)		24°C
(76°F)		24°C
(75°F)		21°C
(70°F)		15°C
(59°F)		12°C
(54°F)		7°C
(45°F)

Compare climate in Haicheng with other places

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

Monthly average precipitation in Haicheng, China

Haicheng usually has the most precipitation in June, July and August, with an average of 27 rainy days and 316 mm (12.4 inches) of precipitation per month. The driest months in Haicheng are January, November and December. On average, 26 mm (1.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Haicheng. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)24 (0.9)49 (1.9)66 (2.6)97 (3.8)183 (7.2)368 (14.5)225 (8.9)353 (13.9)180 (7.1)116 (4.6)30 (1.2)25 (1.0)
Average precipitation days (≥ 1 mm)3612122028272720832

Monthly sunshine hours in Haicheng, China

The sunniest months in Haicheng are July, August and September, when the sun shines an average of 9 hours 19 minutes a day. Least sunny months in Haicheng: January, April and June receive an average of 7 hours 35 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Haicheng. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours213245254240272236306274276271256269
Mean daily daylight hours10h 52m11h 22m12h 0m12h 41m13h 14m13h 31m13h 22m12h 53m12h 15m11h 35m11h 1m10h 43m

Solar UV radiation in Haicheng, China

Haicheng 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, November 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 Haicheng UV Index data.

Average daily maximum UV levels by month for Haicheng. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)710121213131313121097