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Monthly climate in Xishan, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Xishan features a humid subtropical climate (Cfa). Temperatures typically range between 7 °C (45 °F) and 30 °C (86 °F) through the year, but rarely can drop to -4 °C (25 °F) or can rise to as high as 39 °C (103 °F). The average annual precipitation amounts to about 1854 mm (73.0 inches) and receives 162 rainy days on the 1 mm (0.04 inches) threshold annually. Xishan enjoys an average of 2672 hours of sunshine throughout the year, and daylight varies from 10 hours 24 minutes to 13 hours 50 minutes per day.

Monthly average temperatures in Xishan, China

The warmest months in Xishan are July, August and September, with daily mean temperatures ranging from 27 to 30 °C (80 - 86 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 9 °C (45 - 49 °F) throughout the day. On average each year, Xishan experiences 145 days above 25 °C (77.0 °F) and 6 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Xishan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum21°C
(70°F)		26°C
(80°F)		31°C
(87°F)		33°C
(91°F)		34°C
(94°F)		35°C
(96°F)		39°C
(103°F)		38°C
(101°F)		39°C
(102°F)		37°C
(99°F)		29°C
(85°F)		21°C
(71°F)
Mean maximum18°C
(65°F)		24°C
(75°F)		28°C
(83°F)		31°C
(87°F)		33°C
(92°F)		33°C
(92°F)		37°C
(99°F)		37°C
(99°F)		36°C
(98°F)		33°C
(92°F)		26°C
(80°F)		20°C
(68°F)
Average high10°C
(50°F)		12°C
(55°F)		18°C
(64°F)		23°C
(73°F)		27°C
(81°F)		30°C
(86°F)		33°C
(92°F)		34°C
(94°F)		31°C
(88°F)		24°C
(75°F)		19°C
(66°F)		13°C
(55°F)
Daily mean7°C
(45°F)		9°C
(49°F)		14°C
(58°F)		19°C
(66°F)		23°C
(74°F)		27°C
(80°F)		30°C
(86°F)		30°C
(86°F)		27°C
(80°F)		20°C
(68°F)		15°C
(59°F)		9°C
(48°F)
Average low4°C
(40°F)		6°C
(43°F)		11°C
(52°F)		15°C
(59°F)		20°C
(68°F)		23°C
(75°F)		26°C
(80°F)		26°C
(80°F)		23°C
(74°F)		16°C
(62°F)		11°C
(52°F)		6°C
(42°F)
Mean minimum-2°C
(29°F)		1°C
(33°F)		6°C
(43°F)		9°C
(48°F)		15°C
(59°F)		19°C
(67°F)		23°C
(74°F)		23°C
(74°F)		18°C
(66°F)		11°C
(52°F)		6°C
(43°F)		-1°C
(31°F)
Minimum-4°C
(25°F)		-3°C
(26°F)		4°C
(39°F)		6°C
(44°F)		12°C
(54°F)		18°C
(64°F)		21°C
(71°F)		23°C
(73°F)		17°C
(62°F)		9°C
(49°F)		4°C
(40°F)		-2°C
(29°F)

Compare climate in Xishan with other places

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

Monthly average precipitation in Xishan, China

Xishan usually has the most precipitation in May, June and July, with an average of 16 rainy days and 292 mm (11.5 inches) of precipitation per month. The driest months in Xishan are January, October and December. On average, 60 mm (2.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Xishan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)70 (2.7)102 (4.0)225 (8.9)208 (8.2)304 (12.0)327 (12.9)245 (9.6)107 (4.2)78 (3.1)48 (1.9)79 (3.1)62 (2.5)
Average precipitation days (≥ 1 mm)9132018191813121191010

Monthly sunshine hours in Xishan, China

The sunniest months in Xishan are July, August and September, when the sun shines an average of 9 hours 36 minutes a day. Least sunny months in Xishan: January, February and March receive an average of 5 hours 26 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Xishan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours141177175206263249300319263195194184
Mean daily daylight hours10h 35m11h 12m11h 59m12h 49m13h 30m13h 50m13h 40m13h 4m12h 17m11h 28m10h 46m10h 24m

Solar UV radiation in Xishan, China

Xishan experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 12 - 13, 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 7. For more detailed information, check out our hourly Xishan UV Index data.

Average daily maximum UV levels by month for Xishan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)679101112131210975