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Monthly climate in Chenghai, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Chenghai features a subtropical climate (Cwb). Temperatures typically range between 10 °C (49 °F) and 22 °C (72 °F) through the year, but rarely can drop to -1 °C (30 °F) or can rise to as high as 34 °C (94 °F). The average annual precipitation amounts to about 1032 mm (40.6 inches) and receives 124 rainy days on the 1 mm (0.04 inches) threshold annually. Chenghai enjoys an average of 3518 hours of sunshine throughout the year, and daylight varies from 10 hours 29 minutes to 13 hours 45 minutes per day.

Monthly average temperatures in Chenghai, China

The warmest months in Chenghai are June, July and August, with daily mean temperatures ranging from 20 to 22 °C (69 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 11 °C (49 - 52 °F) throughout the day. On average each year, Chenghai experiences 86 days above 25 °C (77.0 °F) and 1 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Chenghai. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum21°C
(70°F)		25°C
(78°F)		29°C
(84°F)		30°C
(86°F)		32°C
(90°F)		34°C
(94°F)		29°C
(85°F)		31°C
(87°F)		27°C
(81°F)		26°C
(80°F)		23°C
(74°F)		21°C
(71°F)
Mean maximum20°C
(68°F)		23°C
(73°F)		26°C
(80°F)		29°C
(85°F)		31°C
(87°F)		31°C
(88°F)		28°C
(83°F)		29°C
(85°F)		26°C
(80°F)		25°C
(77°F)		22°C
(71°F)		20°C
(68°F)
Average high16°C
(61°F)		17°C
(64°F)		21°C
(71°F)		23°C
(74°F)		26°C
(79°F)		27°C
(81°F)		24°C
(76°F)		25°C
(77°F)		23°C
(73°F)		21°C
(70°F)		19°C
(66°F)		16°C
(61°F)
Daily mean10°C
(49°F)		11°C
(52°F)		15°C
(59°F)		17°C
(63°F)		20°C
(69°F)		22°C
(72°F)		20°C
(69°F)		20°C
(69°F)		19°C
(66°F)		17°C
(62°F)		13°C
(55°F)		10°C
(50°F)
Average low3°C
(39°F)		5°C
(41°F)		8°C
(47°F)		11°C
(53°F)		15°C
(59°F)		18°C
(65°F)		17°C
(64°F)		17°C
(63°F)		16°C
(61°F)		13°C
(56°F)		8°C
(46°F)		4°C
(40°F)
Mean minimum-0°C
(32°F)		1°C
(34°F)		4°C
(40°F)		7°C
(44°F)		11°C
(51°F)		14°C
(58°F)		15°C
(59°F)		15°C
(59°F)		14°C
(57°F)		9°C
(49°F)		5°C
(40°F)		0°C
(33°F)
Minimum-1°C
(30°F)		-0°C
(32°F)		2°C
(35°F)		4°C
(39°F)		5°C
(41°F)		13°C
(55°F)		13°C
(55°F)		13°C
(56°F)		10°C
(51°F)		8°C
(47°F)		3°C
(37°F)		-1°C
(31°F)

Compare climate in Chenghai with other places

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

Monthly average precipitation in Chenghai, China

Chenghai usually has the most precipitation in July, August and September, with an average of 25 rainy days and 236 mm (9.3 inches) of precipitation per month. The driest months in Chenghai are January, February and December. On average, 8 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Chenghai. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)10 (0.4)9 (0.3)10 (0.4)24 (1.0)48 (1.9)128 (5.0)267 (10.5)273 (10.8)170 (6.7)79 (3.1)11 (0.4)4 (0.2)
Average precipitation days (≥ 1 mm)21256162626231421

Monthly sunshine hours in Chenghai, China

The sunniest months in Chenghai are March, April and May, when the sun shines an average of 10 hours 41 minutes a day. Least sunny months in Chenghai: January, July and September receive an average of 8 hours 30 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Chenghai. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours245292337313332288272301264273296300
Mean daily daylight hours10h 40m11h 14m12h 0m12h 47m13h 26m13h 45m13h 35m13h 1m12h 16m11h 30m10h 50m10h 29m

Solar UV radiation in Chenghai, China

Chenghai experiences the highest level of ultraviolet (UV) radiation in July, August and September, when the maximum UV index can reach values of 14 - 15, 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 Chenghai UV Index data.

Average daily maximum UV levels by month for Chenghai. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)79121314141514141297