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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 27 °C (81 °F) through the year, but rarely can drop to -4 °C (25 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 1618 mm (63.7 inches) and receives 197 rainy days on the 1 mm (0.04 inches) threshold annually. Xishan enjoys an average of 2704 hours of sunshine throughout the year, and daylight varies from 10 hours 32 minutes to 13 hours 42 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 25 to 27 °C (78 - 81 °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 136 days above 25 °C (77.0 °F) and 5 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
(69°F)		27°C
(80°F)		29°C
(85°F)		32°C
(90°F)		34°C
(93°F)		34°C
(94°F)		35°C
(96°F)		38°C
(101°F)		37°C
(99°F)		34°C
(94°F)		27°C
(82°F)		25°C
(77°F)
Mean maximum19°C
(66°F)		24°C
(75°F)		27°C
(81°F)		30°C
(86°F)		32°C
(89°F)		32°C
(89°F)		34°C
(94°F)		36°C
(96°F)		35°C
(95°F)		31°C
(89°F)		26°C
(79°F)		21°C
(69°F)
Average high10°C
(50°F)		12°C
(55°F)		18°C
(64°F)		22°C
(72°F)		26°C
(79°F)		28°C
(83°F)		31°C
(88°F)		32°C
(89°F)		30°C
(85°F)		22°C
(72°F)		18°C
(64°F)		12°C
(54°F)
Daily mean7°C
(45°F)		9°C
(49°F)		14°C
(58°F)		18°C
(65°F)		22°C
(72°F)		25°C
(77°F)		27°C
(81°F)		27°C
(81°F)		25°C
(78°F)		19°C
(66°F)		14°C
(57°F)		9°C
(48°F)
Average low5°C
(41°F)		6°C
(43°F)		11°C
(52°F)		14°C
(58°F)		19°C
(66°F)		22°C
(73°F)		24°C
(75°F)		24°C
(75°F)		22°C
(71°F)		16°C
(61°F)		11°C
(52°F)		6°C
(43°F)
Mean minimum-1°C
(31°F)		1°C
(34°F)		5°C
(42°F)		8°C
(47°F)		14°C
(57°F)		19°C
(66°F)		22°C
(72°F)		21°C
(71°F)		18°C
(65°F)		11°C
(52°F)		5°C
(42°F)		-1°C
(31°F)
Minimum-4°C
(25°F)		-2°C
(29°F)		4°C
(39°F)		7°C
(44°F)		10°C
(51°F)		16°C
(62°F)		20°C
(68°F)		20°C
(68°F)		16°C
(61°F)		10°C
(50°F)		4°C
(40°F)		-4°C
(25°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 21 rainy days and 245 mm (9.6 inches) of precipitation per month. The driest months in Xishan are January, February and December. On average, 56 mm (2.2 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)46 (1.8)71 (2.8)139 (5.5)155 (6.1)231 (9.1)273 (10.8)230 (9.1)132 (5.2)119 (4.7)98 (3.8)76 (3.0)49 (1.9)
Average precipitation days (≥ 1 mm)111319192123201915131311

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 14 minutes a day. Least sunny months in Xishan: January, February and April receive an average of 5 hours 47 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 hours146185189188253236283297268233209210
Mean daily daylight hours10h 42m11h 16m12h 0m12h 45m13h 23m13h 42m13h 33m12h 59m12h 16m11h 31m10h 52m10h 32m

Solar UV radiation in Xishan, China

Xishan experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. January, November and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 8. 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)710111213131413111086