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Monthly climate in Guanhaiwei, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Guanhaiwei features a humid subtropical climate (Cfa). Temperatures typically range between 7 °C (45 °F) and 29 °C (84 °F) through the year, but rarely can drop to -5 °C (24 °F) or can rise to as high as 37 °C (98 °F). The average annual precipitation amounts to about 1952 mm (76.9 inches) and receives 146 rainy days on the 1 mm (0.04 inches) threshold annually. Guanhaiwei enjoys an average of 2935 hours of sunshine throughout the year, and daylight varies from 10 hours 13 minutes to 14 hours 2 minutes per day.

Monthly average temperatures in Guanhaiwei, China

The warmest months in Guanhaiwei are July, August and September, with daily mean temperatures ranging from 26 to 29 °C (79 - 84 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 10 °C (45 - 50 °F) throughout the day. On average each year, Guanhaiwei experiences 90 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 Guanhaiwei. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum18°C
(65°F)		20°C
(69°F)		20°C
(69°F)		25°C
(77°F)		31°C
(89°F)		33°C
(92°F)		33°C
(92°F)		37°C
(98°F)		32°C
(89°F)		29°C
(84°F)		24°C
(76°F)		19°C
(66°F)
Mean maximum15°C
(59°F)		15°C
(60°F)		19°C
(66°F)		23°C
(75°F)		27°C
(81°F)		29°C
(85°F)		33°C
(91°F)		33°C
(92°F)		31°C
(88°F)		27°C
(81°F)		22°C
(71°F)		16°C
(61°F)
Average high9°C
(48°F)		9°C
(49°F)		13°C
(55°F)		17°C
(63°F)		22°C
(72°F)		25°C
(78°F)		29°C
(85°F)		30°C
(87°F)		27°C
(81°F)		22°C
(72°F)		17°C
(63°F)		12°C
(53°F)
Daily mean7°C
(45°F)		8°C
(46°F)		11°C
(52°F)		15°C
(60°F)		20°C
(69°F)		24°C
(75°F)		28°C
(82°F)		29°C
(84°F)		26°C
(79°F)		21°C
(70°F)		16°C
(61°F)		10°C
(50°F)
Average low6°C
(43°F)		6°C
(43°F)		10°C
(49°F)		14°C
(57°F)		19°C
(66°F)		23°C
(73°F)		26°C
(80°F)		27°C
(82°F)		25°C
(76°F)		20°C
(68°F)		15°C
(59°F)		9°C
(48°F)
Mean minimum0°C
(33°F)		2°C
(36°F)		5°C
(42°F)		9°C
(49°F)		15°C
(60°F)		20°C
(68°F)		24°C
(76°F)		26°C
(78°F)		22°C
(71°F)		15°C
(59°F)		9°C
(49°F)		1°C
(35°F)
Minimum-5°C
(24°F)		-0°C
(32°F)		3°C
(38°F)		9°C
(48°F)		14°C
(57°F)		18°C
(65°F)		23°C
(74°F)		24°C
(75°F)		20°C
(68°F)		14°C
(57°F)		6°C
(44°F)		-3°C
(27°F)

Compare climate in Guanhaiwei with other places

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

Monthly average precipitation in Guanhaiwei, China

Guanhaiwei usually has the most precipitation in June, July and September, with an average of 14 rainy days and 253 mm (10.0 inches) of precipitation per month. The driest months in Guanhaiwei are April, November and December. On average, 103 mm (4.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Guanhaiwei. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)119 (4.7)112 (4.4)156 (6.1)105 (4.1)181 (7.1)344 (13.6)212 (8.3)185 (7.3)204 (8.0)131 (5.2)97 (3.8)106 (4.2)
Average precipitation days (≥ 1 mm)111015101317121214111110

Monthly sunshine hours in Guanhaiwei, China

The sunniest months in Guanhaiwei are May, July and August, when the sun shines an average of 9 hours 38 minutes a day. Least sunny months in Guanhaiwei: January, February and December receive an average of 6 hours 15 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Guanhaiwei. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours150206231264282257295317254239222212
Mean daily daylight hours10h 25m11h 6m11h 59m12h 54m13h 39m14h 2m13h 51m13h 11m12h 19m11h 24m10h 37m10h 13m

Solar UV radiation in Guanhaiwei, China

Guanhaiwei experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 11 - 11, 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 Guanhaiwei UV Index data.

Average daily maximum UV levels by month for Guanhaiwei. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)569101111111110864