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Monthly climate in Weiyuan, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Weiyuan features a humid subtropical climate (Cwa). Temperatures typically range between 13 °C (56 °F) and 23 °C (74 °F) through the year, but rarely can drop to 1 °C (34 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 1886 mm (74.3 inches) and receives 169 rainy days on the 1 mm (0.04 inches) threshold annually. Weiyuan enjoys an average of 3422 hours of sunshine throughout the year, and daylight varies from 10 hours 42 minutes to 13 hours 32 minutes per day.

Monthly average temperatures in Weiyuan, China

The warmest months in Weiyuan are May, June and July, with daily mean temperatures ranging from 22 to 23 °C (73 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 13 to 15 °C (56 - 60 °F) throughout the day. On average each year, Weiyuan experiences 177 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Weiyuan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum25°C
(77°F)		27°C
(81°F)		33°C
(91°F)		35°C
(94°F)		36°C
(97°F)		33°C
(92°F)		32°C
(89°F)		31°C
(89°F)		30°C
(87°F)		29°C
(84°F)		27°C
(81°F)		25°C
(76°F)
Mean maximum23°C
(74°F)		26°C
(80°F)		31°C
(87°F)		32°C
(91°F)		33°C
(92°F)		30°C
(87°F)		31°C
(87°F)		30°C
(87°F)		30°C
(86°F)		28°C
(83°F)		26°C
(79°F)		23°C
(74°F)
Average high20°C
(68°F)		23°C
(73°F)		27°C
(80°F)		28°C
(82°F)		29°C
(85°F)		28°C
(83°F)		26°C
(80°F)		27°C
(81°F)		27°C
(80°F)		25°C
(77°F)		23°C
(74°F)		20°C
(68°F)
Daily mean13°C
(56°F)		15°C
(60°F)		19°C
(67°F)		21°C
(70°F)		23°C
(74°F)		23°C
(74°F)		22°C
(73°F)		22°C
(73°F)		22°C
(71°F)		20°C
(68°F)		17°C
(62°F)		13°C
(56°F)
Average low8°C
(47°F)		9°C
(48°F)		13°C
(55°F)		15°C
(60°F)		18°C
(65°F)		20°C
(69°F)		20°C
(68°F)		20°C
(68°F)		19°C
(66°F)		17°C
(62°F)		12°C
(54°F)		9°C
(48°F)
Mean minimum4°C
(40°F)		5°C
(41°F)		8°C
(47°F)		11°C
(51°F)		15°C
(59°F)		19°C
(66°F)		18°C
(65°F)		18°C
(65°F)		17°C
(62°F)		13°C
(55°F)		8°C
(47°F)		4°C
(39°F)
Minimum3°C
(39°F)		4°C
(40°F)		6°C
(43°F)		6°C
(44°F)		12°C
(54°F)		18°C
(64°F)		17°C
(64°F)		17°C
(63°F)		14°C
(58°F)		11°C
(52°F)		7°C
(44°F)		1°C
(34°F)

Compare climate in Weiyuan with other places

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

Monthly average precipitation in Weiyuan, China

Weiyuan usually has the most precipitation in July, August and September, with an average of 28 rainy days and 401 mm (15.8 inches) of precipitation per month. The driest months in Weiyuan are February, March and December. On average, 21 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Weiyuan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)47 (1.9)14 (0.5)25 (1.0)50 (2.0)54 (2.1)257 (10.1)431 (16.9)476 (18.7)296 (11.7)163 (6.4)50 (1.9)25 (1.0)
Average precipitation days (≥ 1 mm)43478223030262186

Monthly sunshine hours in Weiyuan, China

The sunniest months in Weiyuan are March, April and May, when the sun shines an average of 10 hours 32 minutes a day. Least sunny months in Weiyuan: January, July and October receive an average of 8 hours 7 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Weiyuan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours232282331305332276265282282258281290
Mean daily daylight hours10h 51m11h 21m12h 0m12h 41m13h 15m13h 32m13h 24m12h 54m12h 15m11h 34m11h 0m10h 42m

Solar UV radiation in Weiyuan, China

Weiyuan experiences the highest level of ultraviolet (UV) radiation in May, July and September, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure. January, November and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 9. For more detailed information, check out our hourly Weiyuan UV Index data.

Average daily maximum UV levels by month for Weiyuan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)810111315141514141297