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Monthly climate in Xiyuan, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Xiyuan features a humid subtropical climate (Cwa). Temperatures typically range between 1 °C (34 °F) and 26 °C (78 °F) through the year, but rarely can drop to -9 °C (15 °F) or can rise to as high as 31 °C (89 °F). The average annual precipitation amounts to about 676 mm (26.6 inches) and receives 69 rainy days on the 1 mm (0.04 inches) threshold annually. Xiyuan enjoys an average of 3283 hours of sunshine throughout the year, and daylight varies from 9 hours 37 minutes to 14 hours 40 minutes per day.

Monthly average temperatures in Xiyuan, China

The warmest months in Xiyuan are July, August and September, with daily mean temperatures ranging from 23 to 26 °C (73 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 4 °C (34 - 39 °F) throughout the day. On average each year, Xiyuan experiences 45 days above 25 °C (77.0 °F) and 36 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Xiyuan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum8°C
(47°F)		10°C
(50°F)		15°C
(59°F)		21°C
(70°F)		27°C
(80°F)		28°C
(83°F)		30°C
(86°F)		31°C
(89°F)		28°C
(82°F)		25°C
(78°F)		19°C
(67°F)		13°C
(56°F)
Mean maximum6°C
(43°F)		8°C
(47°F)		13°C
(55°F)		18°C
(65°F)		25°C
(76°F)		26°C
(79°F)		28°C
(84°F)		29°C
(85°F)		27°C
(81°F)		24°C
(75°F)		18°C
(65°F)		11°C
(51°F)
Average high2°C
(36°F)		3°C
(37°F)		7°C
(45°F)		12°C
(53°F)		17°C
(64°F)		22°C
(72°F)		26°C
(78°F)		27°C
(80°F)		24°C
(75°F)		18°C
(65°F)		12°C
(55°F)		5°C
(42°F)
Daily mean1°C
(34°F)		1°C
(35°F)		5°C
(42°F)		10°C
(50°F)		15°C
(60°F)		20°C
(69°F)		24°C
(76°F)		26°C
(78°F)		23°C
(73°F)		17°C
(63°F)		11°C
(52°F)		4°C
(39°F)
Average low-0°C
(32°F)		-0°C
(32°F)		4°C
(39°F)		8°C
(47°F)		14°C
(57°F)		19°C
(66°F)		23°C
(74°F)		25°C
(76°F)		22°C
(71°F)		16°C
(60°F)		9°C
(49°F)		2°C
(36°F)
Mean minimum-5°C
(23°F)		-5°C
(23°F)		-0°C
(32°F)		5°C
(41°F)		10°C
(51°F)		16°C
(61°F)		21°C
(69°F)		22°C
(72°F)		19°C
(66°F)		10°C
(51°F)		3°C
(38°F)		-4°C
(24°F)
Minimum-9°C
(15°F)		-7°C
(20°F)		-2°C
(28°F)		3°C
(38°F)		9°C
(48°F)		14°C
(57°F)		19°C
(67°F)		21°C
(71°F)		17°C
(63°F)		9°C
(49°F)		1°C
(34°F)		-7°C
(20°F)

Compare climate in Xiyuan with other places

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

Monthly average precipitation in Xiyuan, China

Xiyuan usually has the most precipitation in July, August and September, with an average of 7 rainy days and 110 mm (4.3 inches) of precipitation per month. The driest months in Xiyuan are January, February and March. On average, 22 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Xiyuan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)23 (0.9)19 (0.8)25 (1.0)50 (2.0)57 (2.2)70 (2.7)138 (5.4)111 (4.4)81 (3.2)29 (1.1)37 (1.5)36 (1.4)
Average precipitation days (≥ 1 mm)4535657115468

Monthly sunshine hours in Xiyuan, China

The sunniest months in Xiyuan are May, June and July, when the sun shines an average of 10 hours 32 minutes a day. Least sunny months in Xiyuan: January, November and December receive an average of 6 hours 53 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Xiyuan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours182240286294321317330311283264232218
Mean daily daylight hours9h 53m10h 47m11h 57m13h 9m14h 10m14h 40m14h 25m13h 32m12h 23m11h 12m10h 9m9h 37m

Solar UV radiation in Xiyuan, China

Xiyuan experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure. January, February and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Xiyuan UV Index data.

Average daily maximum UV levels by month for Xiyuan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)346891011118643