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Monthly climate in Haixi, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Haixi features a humid subtropical climate (Cfa). Temperatures typically range between 8 °C (46 °F) and 28 °C (83 °F) through the year, but rarely can drop to -4 °C (24 °F) or can rise to as high as 40 °C (104 °F). The average annual precipitation amounts to about 1405 mm (55.3 inches) and receives 142 rainy days on the 1 mm (0.04 inches) threshold annually. Haixi enjoys an average of 2666 hours of sunshine throughout the year, and daylight varies from 10 hours 20 minutes to 13 hours 54 minutes per day.

Monthly average temperatures in Haixi, China

The warmest months in Haixi are July, August and September, with daily mean temperatures ranging from 25 to 28 °C (78 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 8 to 9 °C (46 - 48 °F) throughout the day. On average each year, Haixi experiences 144 days above 25 °C (77.0 °F) and 10 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Haixi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum25°C
(78°F)		28°C
(82°F)		31°C
(88°F)		34°C
(93°F)		40°C
(104°F)		37°C
(99°F)		39°C
(102°F)		39°C
(103°F)		38°C
(100°F)		36°C
(97°F)		31°C
(88°F)		27°C
(81°F)
Mean maximum22°C
(71°F)		24°C
(75°F)		28°C
(83°F)		31°C
(89°F)		35°C
(95°F)		33°C
(93°F)		37°C
(100°F)		37°C
(99°F)		36°C
(97°F)		32°C
(91°F)		27°C
(80°F)		21°C
(71°F)
Average high12°C
(53°F)		13°C
(56°F)		18°C
(65°F)		23°C
(74°F)		27°C
(81°F)		29°C
(84°F)		33°C
(92°F)		33°C
(93°F)		30°C
(86°F)		24°C
(75°F)		19°C
(67°F)		13°C
(56°F)
Daily mean8°C
(46°F)		9°C
(48°F)		13°C
(56°F)		18°C
(64°F)		22°C
(72°F)		25°C
(77°F)		28°C
(83°F)		28°C
(83°F)		25°C
(78°F)		20°C
(68°F)		15°C
(58°F)		9°C
(48°F)
Average low4°C
(40°F)		5°C
(41°F)		10°C
(49°F)		13°C
(56°F)		18°C
(65°F)		22°C
(71°F)		25°C
(77°F)		25°C
(77°F)		22°C
(71°F)		16°C
(61°F)		11°C
(51°F)		5°C
(41°F)
Mean minimum-3°C
(27°F)		-1°C
(31°F)		3°C
(38°F)		5°C
(42°F)		12°C
(54°F)		18°C
(64°F)		22°C
(72°F)		22°C
(72°F)		17°C
(62°F)		9°C
(49°F)		5°C
(40°F)		-2°C
(30°F)
Minimum-4°C
(24°F)		-4°C
(25°F)		1°C
(33°F)		4°C
(39°F)		10°C
(50°F)		16°C
(60°F)		20°C
(69°F)		21°C
(70°F)		15°C
(59°F)		8°C
(47°F)		3°C
(38°F)		-2°C
(28°F)

Compare climate in Haixi with other places

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

Monthly average precipitation in Haixi, China

Haixi usually has the most precipitation in May, June and July, with an average of 16 rainy days and 225 mm (8.9 inches) of precipitation per month. The driest months in Haixi are January, November and December. On average, 50 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Haixi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)47 (1.9)66 (2.6)108 (4.2)98 (3.9)194 (7.7)288 (11.3)194 (7.6)150 (5.9)93 (3.7)64 (2.5)59 (2.3)44 (1.7)
Average precipitation days (≥ 1 mm)71014121419151412799

Monthly sunshine hours in Haixi, China

The sunniest months in Haixi are May, July and August, when the sun shines an average of 8 hours 46 minutes a day. Least sunny months in Haixi: January, February and November receive an average of 6 hours 1 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Haixi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours152196206244253208269293241208193196
Mean daily daylight hours10h 32m11h 10m11h 59m12h 50m13h 33m13h 54m13h 44m13h 6m12h 18m11h 27m10h 43m10h 20m

Solar UV radiation in Haixi, China

Haixi 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, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 7. For more detailed information, check out our hourly Haixi UV Index data.

Average daily maximum UV levels by month for Haixi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)6810111212121211975