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Monthly climate in Changchuan, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Changchuan features a humid continental climate (Dwb). Temperatures typically range between -10 °C (15 °F) and 14 °C (58 °F) through the year, but rarely can drop to -27 °C (-17 °F) or can rise to as high as 26 °C (80 °F). The average annual precipitation amounts to about 876 mm (34.5 inches) and receives 160 rainy days on the 1 mm (0.04 inches) threshold annually. Changchuan enjoys an average of 3372 hours of sunshine throughout the year, and daylight varies from 9 hours 51 minutes to 14 hours 25 minutes per day.

Monthly average temperatures in Changchuan, China

The warmest months in Changchuan are June, July and August, with daily mean temperatures ranging from 11 to 14 °C (53 - 58 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -10 to -7 °C (15 - 20 °F) throughout the day. On average each year, Changchuan experiences 0 days above 25 °C (77.0 °F) and 180 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Changchuan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum9°C
(48°F)		14°C
(58°F)		19°C
(67°F)		23°C
(74°F)		23°C
(74°F)		22°C
(72°F)		26°C
(80°F)		25°C
(77°F)		22°C
(71°F)		21°C
(70°F)		17°C
(63°F)		9°C
(49°F)
Mean maximum5°C
(42°F)		9°C
(49°F)		14°C
(57°F)		19°C
(67°F)		21°C
(71°F)		20°C
(68°F)		24°C
(76°F)		24°C
(75°F)		21°C
(69°F)		17°C
(63°F)		14°C
(57°F)		5°C
(42°F)
Average high-2°C
(29°F)		1°C
(33°F)		6°C
(42°F)		10°C
(50°F)		14°C
(57°F)		16°C
(61°F)		19°C
(67°F)		19°C
(66°F)		15°C
(59°F)		10°C
(50°F)		4°C
(39°F)		-1°C
(30°F)
Daily mean-10°C
(15°F)		-7°C
(20°F)		-1°C
(30°F)		4°C
(39°F)		8°C
(47°F)		11°C
(53°F)		14°C
(58°F)		14°C
(57°F)		10°C
(50°F)		4°C
(40°F)		-3°C
(27°F)		-9°C
(16°F)
Average low-16°C
(3°F)		-14°C
(7°F)		-7°C
(19°F)		-2°C
(28°F)		2°C
(37°F)		7°C
(45°F)		9°C
(49°F)		9°C
(49°F)		6°C
(43°F)		-0°C
(32°F)		-9°C
(16°F)		-15°C
(4°F)
Mean minimum-23°C
(-10°F)		-22°C
(-7°F)		-14°C
(7°F)		-10°C
(15°F)		-3°C
(27°F)		2°C
(35°F)		5°C
(41°F)		4°C
(40°F)		1°C
(34°F)		-9°C
(17°F)		-18°C
(0°F)		-21°C
(-6°F)
Minimum-27°C
(-17°F)		-25°C
(-13°F)		-20°C
(-3°F)		-15°C
(5°F)		-5°C
(22°F)		-0°C
(32°F)		4°C
(39°F)		3°C
(38°F)		-1°C
(30°F)		-13°C
(9°F)		-23°C
(-9°F)		-25°C
(-13°F)

Compare climate in Changchuan with other places

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

Monthly average precipitation in Changchuan, China

Changchuan usually has the most precipitation in June, August and September, with an average of 20 rainy days and 125 mm (4.9 inches) of precipitation per month. The driest months in Changchuan are January, February and December. On average, 14 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Changchuan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)14 (0.6)18 (0.7)34 (1.3)74 (2.9)107 (4.2)117 (4.6)110 (4.3)134 (5.3)125 (4.9)102 (4.0)30 (1.2)12 (0.5)
Average precipitation days (≥ 1 mm)5591517211719211993

Monthly sunshine hours in Changchuan, China

The sunniest months in Changchuan are May, July and August, when the sun shines an average of 10 hours 21 minutes a day. Least sunny months in Changchuan: January, September and October receive an average of 7 hours 48 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Changchuan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours222273301280322295335305254242261277
Mean daily daylight hours10h 6m10h 55m11h 58m13h 3m13h 58m14h 25m14h 12m13h 24m12h 21m11h 16m10h 20m9h 51m

Solar UV radiation in Changchuan, China

Changchuan experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 14 - 14, which corresponds to the Extreme category of sun exposure. January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Changchuan UV Index data.

Average daily maximum UV levels by month for Changchuan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)479131414141312964