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Monthly climate in Xi'an, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Xi'an features a humid continental climate (Dwb). Temperatures typically range between -15 °C (5 °F) and 23 °C (74 °F) through the year, but rarely can drop to -30 °C (-22 °F) or can rise to as high as 35 °C (96 °F). The average annual precipitation amounts to about 669 mm (26.3 inches) and receives 90 rainy days on the 1 mm (0.04 inches) threshold annually. Xi'an enjoys an average of 3218 hours of sunshine throughout the year, and daylight varies from 8 hours 52 minutes to 15 hours 29 minutes per day.

Monthly average temperatures in Xi'an, China

The warmest months in Xi'an are June, July and August, with daily mean temperatures ranging from 18 to 23 °C (65 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -15 to -12 °C (5 - 11 °F) throughout the day. On average each year, Xi'an experiences 53 days above 25 °C (77.0 °F) and 163 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Xi'an. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum1°C
(33°F)		7°C
(44°F)		20°C
(68°F)		30°C
(86°F)		33°C
(91°F)		35°C
(95°F)		35°C
(95°F)		35°C
(96°F)		28°C
(83°F)		28°C
(83°F)		16°C
(60°F)		8°C
(46°F)
Mean maximum-2°C
(28°F)		4°C
(40°F)		14°C
(58°F)		25°C
(78°F)		30°C
(86°F)		29°C
(84°F)		33°C
(92°F)		32°C
(90°F)		26°C
(80°F)		23°C
(73°F)		13°C
(56°F)		3°C
(37°F)
Average high-10°C
(15°F)		-6°C
(22°F)		4°C
(40°F)		13°C
(56°F)		20°C
(68°F)		23°C
(74°F)		28°C
(82°F)		25°C
(78°F)		21°C
(70°F)		13°C
(56°F)		2°C
(35°F)		-8°C
(18°F)
Daily mean-15°C
(5°F)		-12°C
(11°F)		-1°C
(30°F)		7°C
(46°F)		14°C
(58°F)		18°C
(65°F)		23°C
(74°F)		21°C
(70°F)		15°C
(60°F)		7°C
(44°F)		-3°C
(27°F)		-13°C
(9°F)
Average low-20°C
(-4°F)		-17°C
(2°F)		-7°C
(20°F)		1°C
(34°F)		8°C
(47°F)		13°C
(56°F)		19°C
(66°F)		17°C
(63°F)		10°C
(50°F)		1°C
(34°F)		-7°C
(19°F)		-17°C
(2°F)
Mean minimum-26°C
(-14°F)		-24°C
(-11°F)		-17°C
(2°F)		-5°C
(23°F)		2°C
(35°F)		9°C
(48°F)		13°C
(56°F)		10°C
(50°F)		4°C
(39°F)		-5°C
(23°F)		-16°C
(3°F)		-24°C
(-11°F)
Minimum-30°C
(-22°F)		-26°C
(-14°F)		-25°C
(-12°F)		-6°C
(21°F)		1°C
(33°F)		6°C
(42°F)		12°C
(54°F)		6°C
(43°F)		1°C
(34°F)		-7°C
(21°F)		-18°C
(0°F)		-28°C
(-19°F)

Compare climate in Xi'an with other places

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

Monthly average precipitation in Xi'an, China

Xi'an usually has the most precipitation in June, July and August, with an average of 14 rainy days and 122 mm (4.8 inches) of precipitation per month. The driest months in Xi'an 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 Xi'an. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)6 (0.3)9 (0.3)24 (0.9)31 (1.2)72 (2.8)91 (3.6)99 (3.9)177 (7.0)81 (3.2)30 (1.2)39 (1.5)10 (0.4)
Average precipitation days (≥ 1 mm)12561215121510552

Monthly sunshine hours in Xi'an, China

The sunniest months in Xi'an are May, June and July, when the sun shines an average of 10 hours 28 minutes a day. Least sunny months in Xi'an: January, November and December receive an average of 6 hours 50 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Xi'an. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours187230275285303317342290281261214226
Mean daily daylight hours9h 13m10h 25m11h 55m13h 28m14h 48m15h 29m15h 8m13h 58m12h 29m10h 56m9h 35m8h 52m

Solar UV radiation in Xi'an, China

Xi'an experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure. January, February and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Xi'an UV Index data.

Average daily maximum UV levels by month for Xi'an. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)23578101097532