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Monthly climate in Siheyuan, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Siheyuan features a cold semi-arid climate (BSk). Temperatures typically range between -5 °C (23 °F) and 22 °C (72 °F) through the year, but rarely can drop to -23 °C (-9 °F) or can rise to as high as 35 °C (96 °F). The average annual precipitation amounts to about 535 mm (21.1 inches) and receives 70 rainy days on the 1 mm (0.04 inches) threshold annually. Siheyuan enjoys an average of 3428 hours of sunshine throughout the year, and daylight varies from 9 hours 40 minutes to 14 hours 37 minutes per day.

Monthly average temperatures in Siheyuan, China

The warmest months in Siheyuan are June, July and August, with daily mean temperatures ranging from 20 to 22 °C (68 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -5 to -2 °C (23 - 28 °F) throughout the day. On average each year, Siheyuan experiences 61 days above 25 °C (77.0 °F) and 124 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Siheyuan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum10°C
(51°F)		18°C
(65°F)		23°C
(74°F)		29°C
(84°F)		31°C
(87°F)		32°C
(90°F)		35°C
(96°F)		35°C
(95°F)		29°C
(84°F)		26°C
(79°F)		16°C
(62°F)		10°C
(50°F)
Mean maximum7°C
(45°F)		12°C
(55°F)		20°C
(67°F)		25°C
(78°F)		30°C
(86°F)		30°C
(87°F)		32°C
(90°F)		31°C
(88°F)		26°C
(79°F)		21°C
(70°F)		15°C
(59°F)		8°C
(47°F)
Average high0°C
(33°F)		4°C
(40°F)		11°C
(53°F)		17°C
(63°F)		22°C
(72°F)		25°C
(78°F)		27°C
(81°F)		25°C
(77°F)		21°C
(69°F)		14°C
(57°F)		8°C
(46°F)		1°C
(34°F)
Daily mean-5°C
(23°F)		-2°C
(28°F)		5°C
(42°F)		11°C
(52°F)		16°C
(61°F)		20°C
(68°F)		22°C
(72°F)		20°C
(69°F)		15°C
(60°F)		8°C
(47°F)		2°C
(36°F)		-5°C
(24°F)
Average low-10°C
(14°F)		-8°C
(19°F)		-0°C
(32°F)		5°C
(41°F)		10°C
(49°F)		14°C
(58°F)		17°C
(63°F)		16°C
(61°F)		11°C
(52°F)		4°C
(40°F)		-2°C
(28°F)		-9°C
(16°F)
Mean minimum-17°C
(1°F)		-15°C
(5°F)		-7°C
(20°F)		-3°C
(27°F)		3°C
(37°F)		10°C
(51°F)		13°C
(56°F)		11°C
(52°F)		6°C
(44°F)		-2°C
(28°F)		-9°C
(16°F)		-16°C
(4°F)
Minimum-23°C
(-9°F)		-20°C
(-3°F)		-8°C
(19°F)		-4°C
(25°F)		1°C
(33°F)		9°C
(48°F)		11°C
(53°F)		10°C
(51°F)		4°C
(40°F)		-3°C
(26°F)		-11°C
(13°F)		-20°C
(-4°F)

Compare climate in Siheyuan with other places

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

Monthly average precipitation in Siheyuan, China

Siheyuan usually has the most precipitation in July, August and September, with an average of 10 rainy days and 104 mm (4.1 inches) of precipitation per month. The driest months in Siheyuan are January, February and December. On average, 8 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Siheyuan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)6 (0.3)13 (0.5)17 (0.7)34 (1.4)34 (1.3)51 (2.0)94 (3.7)150 (5.9)68 (2.7)50 (2.0)15 (0.6)4 (0.2)
Average precipitation days (≥ 1 mm)13465811129731

Monthly sunshine hours in Siheyuan, China

The sunniest months in Siheyuan are May, June and July, when the sun shines an average of 10 hours 44 minutes a day. Least sunny months in Siheyuan: January, October and November receive an average of 7 hours 59 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Siheyuan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours216270292285325323340310275259259269
Mean daily daylight hours9h 56m10h 49m11h 57m13h 8m14h 7m14h 37m14h 22m13h 30m12h 23m11h 12m10h 11m9h 40m

Solar UV radiation in Siheyuan, China

Siheyuan experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 11 - 12, which corresponds to the Extreme category of sun exposure. January, November 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 Siheyuan UV Index data.

Average daily maximum UV levels by month for Siheyuan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)45710111212119743