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Monthly climate in Xihai, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Xihai features a subarctic climate (Dwc). Temperatures typically range between -13 °C (8 °F) and 11 °C (52 °F) through the year, but rarely can drop to -30 °C (-22 °F) or can rise to as high as 23 °C (74 °F). The average annual precipitation amounts to about 659 mm (26.0 inches) and receives 118 rainy days on the 1 mm (0.04 inches) threshold annually. Xihai enjoys an average of 3708 hours of sunshine throughout the year, and daylight varies from 9 hours 39 minutes to 14 hours 38 minutes per day.

Monthly average temperatures in Xihai, China

The warmest months in Xihai are June, July and August, with daily mean temperatures ranging from 9 to 11 °C (48 - 52 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -13 to -10 °C (8 - 14 °F) throughout the day. On average each year, Xihai experiences 0 days above 25 °C (77.0 °F) and 218 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Xihai. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum4°C
(39°F)		8°C
(47°F)		14°C
(58°F)		19°C
(66°F)		20°C
(69°F)		20°C
(69°F)		23°C
(74°F)		21°C
(70°F)		20°C
(67°F)		17°C
(62°F)		11°C
(51°F)		4°C
(39°F)
Mean maximum0°C
(33°F)		5°C
(41°F)		11°C
(51°F)		15°C
(59°F)		18°C
(66°F)		18°C
(65°F)		21°C
(71°F)		20°C
(68°F)		18°C
(64°F)		13°C
(57°F)		8°C
(46°F)		0°C
(33°F)
Average high-5°C
(23°F)		-2°C
(28°F)		3°C
(38°F)		7°C
(45°F)		11°C
(52°F)		14°C
(57°F)		16°C
(62°F)		16°C
(61°F)		13°C
(55°F)		6°C
(43°F)		0°C
(33°F)		-5°C
(23°F)
Daily mean-13°C
(8°F)		-10°C
(14°F)		-4°C
(26°F)		1°C
(34°F)		5°C
(41°F)		9°C
(48°F)		11°C
(52°F)		10°C
(51°F)		7°C
(44°F)		-0°C
(32°F)		-7°C
(20°F)		-13°C
(9°F)
Average low-20°C
(-4°F)		-18°C
(0°F)		-10°C
(14°F)		-5°C
(23°F)		-1°C
(30°F)		4°C
(39°F)		6°C
(43°F)		6°C
(43°F)		2°C
(36°F)		-6°C
(22°F)		-13°C
(9°F)		-20°C
(-3°F)
Mean minimum-26°C
(-14°F)		-25°C
(-12°F)		-20°C
(-3°F)		-12°C
(11°F)		-11°C
(13°F)		-1°C
(30°F)		2°C
(35°F)		1°C
(34°F)		-3°C
(26°F)		-14°C
(8°F)		-21°C
(-5°F)		-25°C
(-14°F)
Minimum-30°C
(-21°F)		-29°C
(-20°F)		-24°C
(-11°F)		-17°C
(1°F)		-18°C
(0°F)		-4°C
(24°F)		0°C
(33°F)		-1°C
(31°F)		-5°C
(24°F)		-17°C
(1°F)		-24°C
(-10°F)		-30°C
(-22°F)

Compare climate in Xihai with other places

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

Monthly average precipitation in Xihai, China

Xihai usually has the most precipitation in June, July and August, with an average of 18 rainy days and 119 mm (4.7 inches) of precipitation per month. The driest months in Xihai are January, February and December. On average, 6 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Xihai. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)6 (0.2)7 (0.3)19 (0.7)49 (1.9)64 (2.5)105 (4.1)115 (4.5)137 (5.4)93 (3.7)47 (1.8)13 (0.5)5 (0.2)
Average precipitation days (≥ 1 mm)227101118172018931

Monthly sunshine hours in Xihai, China

The sunniest months in Xihai are May, July and August, when the sun shines an average of 11 hours 9 minutes a day. Least sunny months in Xihai: January, February and December receive an average of 8 hours 50 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Xihai. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours233283326316342323358337303305289287
Mean daily daylight hours9h 55m10h 49m11h 57m13h 8m14h 8m14h 38m14h 22m13h 30m12h 23m11h 12m10h 11m9h 39m

Solar UV radiation in Xihai, China

Xihai experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 14 - 16, 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 Xihai UV Index data.

Average daily maximum UV levels by month for Xihai. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)469121416141311964