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Monthly climate in Kaiyuan, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Kaiyuan features a humid continental climate (Dwa). Temperatures typically range between -11 °C (12 °F) and 26 °C (79 °F) through the year, but rarely can drop to -27 °C (-17 °F) or can rise to as high as 39 °C (103 °F). The average annual precipitation amounts to about 744 mm (29.3 inches) and receives 77 rainy days on the 1 mm (0.04 inches) threshold annually. Kaiyuan enjoys an average of 3301 hours of sunshine throughout the year, and daylight varies from 9 hours 6 minutes to 15 hours 13 minutes per day.

Monthly average temperatures in Kaiyuan, China

The warmest months in Kaiyuan are June, July and August, with daily mean temperatures ranging from 22 to 26 °C (73 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -11 to -7 °C (12 - 20 °F) throughout the day. On average each year, Kaiyuan experiences 89 days above 25 °C (77.0 °F) and 141 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Kaiyuan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum5°C
(41°F)		12°C
(54°F)		22°C
(71°F)		31°C
(89°F)		36°C
(97°F)		37°C
(99°F)		36°C
(98°F)		39°C
(103°F)		30°C
(86°F)		29°C
(84°F)		19°C
(67°F)		8°C
(46°F)
Mean maximum2°C
(37°F)		9°C
(49°F)		18°C
(65°F)		27°C
(81°F)		33°C
(91°F)		32°C
(90°F)		35°C
(96°F)		34°C
(93°F)		29°C
(85°F)		25°C
(77°F)		18°C
(64°F)		5°C
(41°F)
Average high-5°C
(23°F)		-1°C
(30°F)		8°C
(47°F)		17°C
(63°F)		24°C
(75°F)		27°C
(82°F)		31°C
(87°F)		28°C
(83°F)		24°C
(75°F)		16°C
(61°F)		6°C
(43°F)		-4°C
(26°F)
Daily mean-11°C
(12°F)		-7°C
(20°F)		3°C
(37°F)		11°C
(52°F)		18°C
(64°F)		22°C
(73°F)		26°C
(79°F)		24°C
(75°F)		18°C
(65°F)		10°C
(49°F)		0°C
(33°F)		-9°C
(17°F)
Average low-16°C
(3°F)		-12°C
(10°F)		-3°C
(26°F)		4°C
(39°F)		11°C
(53°F)		17°C
(63°F)		22°C
(72°F)		20°C
(68°F)		13°C
(56°F)		4°C
(39°F)		-5°C
(24°F)		-13°C
(8°F)
Mean minimum-23°C
(-9°F)		-21°C
(-6°F)		-11°C
(13°F)		-4°C
(25°F)		4°C
(39°F)		11°C
(52°F)		17°C
(63°F)		13°C
(56°F)		6°C
(43°F)		-4°C
(25°F)		-13°C
(8°F)		-22°C
(-7°F)
Minimum-27°C
(-17°F)		-23°C
(-10°F)		-16°C
(4°F)		-7°C
(20°F)		1°C
(35°F)		9°C
(48°F)		15°C
(60°F)		5°C
(41°F)		2°C
(37°F)		-5°C
(23°F)		-14°C
(7°F)		-24°C
(-10°F)

Compare climate in Kaiyuan with other places

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

Monthly average precipitation in Kaiyuan, China

Kaiyuan usually has the most precipitation in July, August and September, with an average of 12 rainy days and 152 mm (6.0 inches) of precipitation per month. The driest months in Kaiyuan are January, February and December. On average, 7 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kaiyuan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)6 (0.2)9 (0.3)21 (0.8)24 (1.0)53 (2.1)96 (3.8)108 (4.3)242 (9.5)106 (4.2)39 (1.6)34 (1.3)6 (0.3)
Average precipitation days (≥ 1 mm)224481012169451

Monthly sunshine hours in Kaiyuan, China

The sunniest months in Kaiyuan are May, June and July, when the sun shines an average of 10 hours 37 minutes a day. Least sunny months in Kaiyuan: January, November and December receive an average of 7 hours 14 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kaiyuan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours199241290290319325332288280267227238
Mean daily daylight hours9h 26m10h 32m11h 56m13h 22m14h 36m15h 13m14h 55m13h 50m12h 27m11h 1m9h 45m9h 6m

Solar UV radiation in Kaiyuan, China

Kaiyuan 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 Kaiyuan UV Index data.

Average daily maximum UV levels by month for Kaiyuan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)23678101097532