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Monthly climate in Chang'an, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Chang'an features a humid subtropical climate (Cwa). Temperatures typically range between 3 °C (38 °F) and 24 °C (75 °F) through the year, but rarely can drop to -7 °C (19 °F) or can rise to as high as 34 °C (93 °F). The average annual precipitation amounts to about 1986 mm (78.2 inches) and receives 179 rainy days on the 1 mm (0.04 inches) threshold annually. Chang'an enjoys an average of 2731 hours of sunshine throughout the year, and daylight varies from 10 hours 10 minutes to 14 hours 5 minutes per day.

Monthly average temperatures in Chang'an, China

The warmest months in Chang'an are June, July and August, with daily mean temperatures ranging from 21 to 24 °C (70 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 5 °C (38 - 41 °F) throughout the day. On average each year, Chang'an experiences 76 days above 25 °C (77.0 °F) and 27 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Chang'an. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum14°C
(57°F)		22°C
(72°F)		26°C
(79°F)		28°C
(83°F)		30°C
(87°F)		31°C
(89°F)		34°C
(93°F)		34°C
(93°F)		30°C
(87°F)		29°C
(84°F)		20°C
(68°F)		14°C
(58°F)
Mean maximum11°C
(52°F)		16°C
(60°F)		23°C
(73°F)		26°C
(79°F)		29°C
(85°F)		30°C
(85°F)		32°C
(91°F)		32°C
(90°F)		29°C
(85°F)		24°C
(76°F)		19°C
(67°F)		11°C
(53°F)
Average high6°C
(43°F)		8°C
(47°F)		14°C
(57°F)		18°C
(65°F)		22°C
(71°F)		25°C
(77°F)		28°C
(82°F)		28°C
(84°F)		23°C
(74°F)		17°C
(63°F)		13°C
(55°F)		7°C
(45°F)
Daily mean3°C
(38°F)		5°C
(41°F)		10°C
(50°F)		14°C
(57°F)		18°C
(64°F)		21°C
(70°F)		24°C
(75°F)		24°C
(75°F)		20°C
(68°F)		14°C
(58°F)		9°C
(49°F)		4°C
(40°F)
Average low1°C
(33°F)		2°C
(35°F)		6°C
(44°F)		10°C
(51°F)		14°C
(58°F)		18°C
(65°F)		20°C
(69°F)		20°C
(69°F)		17°C
(63°F)		12°C
(53°F)		6°C
(44°F)		2°C
(36°F)
Mean minimum-3°C
(26°F)		-3°C
(28°F)		1°C
(35°F)		5°C
(42°F)		10°C
(50°F)		14°C
(58°F)		18°C
(65°F)		17°C
(63°F)		13°C
(56°F)		7°C
(46°F)		2°C
(35°F)		-3°C
(28°F)
Minimum-7°C
(19°F)		-4°C
(24°F)		1°C
(34°F)		3°C
(37°F)		8°C
(47°F)		12°C
(54°F)		17°C
(62°F)		15°C
(59°F)		12°C
(53°F)		6°C
(44°F)		0°C
(33°F)		-4°C
(26°F)

Compare climate in Chang'an with other places

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

Monthly average precipitation in Chang'an, China

Chang'an usually has the most precipitation in May, June and July, with an average of 19 rainy days and 304 mm (12.0 inches) of precipitation per month. The driest months in Chang'an are January, February and December. On average, 52 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Chang'an. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)54 (2.1)66 (2.6)145 (5.7)169 (6.6)239 (9.4)280 (11.0)393 (15.5)181 (7.1)208 (8.2)139 (5.5)76 (3.0)38 (1.5)
Average precipitation days (≥ 1 mm)10111515171921181914119

Monthly sunshine hours in Chang'an, China

The sunniest months in Chang'an are June, July and August, when the sun shines an average of 9 hours 21 minutes a day. Least sunny months in Chang'an: January, October and November receive an average of 5 hours 37 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Chang'an. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours142199228234255257293309238184190196
Mean daily daylight hours10h 22m11h 4m11h 59m12h 55m13h 42m14h 5m13h 53m13h 12m12h 19m11h 23m10h 35m10h 10m

Solar UV radiation in Chang'an, China

Chang'an experiences the highest level of ultraviolet (UV) radiation in May, June 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 Chang'an UV Index data.

Average daily maximum UV levels by month for Chang'an. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)678111213121211975