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Monthly climate in Sanxi, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sanxi features a humid subtropical climate (Cfa). Temperatures typically range between 8 °C (47 °F) and 30 °C (85 °F) through the year, but rarely can drop to -5 °C (24 °F) or can rise to as high as 39 °C (103 °F). The average annual precipitation amounts to about 1702 mm (67.0 inches) and receives 155 rainy days on the 1 mm (0.04 inches) threshold annually. Sanxi enjoys an average of 2829 hours of sunshine throughout the year, and daylight varies from 10 hours 26 minutes to 13 hours 48 minutes per day.

Monthly average temperatures in Sanxi, China

The warmest months in Sanxi are July, August and September, with daily mean temperatures ranging from 27 to 30 °C (81 - 85 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 8 to 10 °C (47 - 50 °F) throughout the day. On average each year, Sanxi experiences 156 days above 25 °C (77.0 °F) and 4 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sanxi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum25°C
(77°F)		26°C
(79°F)		30°C
(86°F)		32°C
(90°F)		35°C
(96°F)		36°C
(97°F)		39°C
(103°F)		38°C
(100°F)		38°C
(100°F)		36°C
(97°F)		30°C
(86°F)		26°C
(79°F)
Mean maximum22°C
(72°F)		25°C
(77°F)		28°C
(82°F)		31°C
(88°F)		33°C
(92°F)		34°C
(94°F)		37°C
(100°F)		37°C
(98°F)		37°C
(98°F)		34°C
(93°F)		27°C
(80°F)		22°C
(73°F)
Average high12°C
(54°F)		14°C
(57°F)		19°C
(66°F)		23°C
(74°F)		28°C
(82°F)		30°C
(87°F)		34°C
(93°F)		34°C
(94°F)		32°C
(90°F)		25°C
(77°F)		20°C
(68°F)		14°C
(57°F)
Daily mean8°C
(47°F)		10°C
(50°F)		15°C
(59°F)		19°C
(66°F)		24°C
(75°F)		27°C
(80°F)		29°C
(85°F)		30°C
(85°F)		27°C
(81°F)		21°C
(69°F)		15°C
(60°F)		9°C
(49°F)
Average low5°C
(41°F)		7°C
(44°F)		12°C
(53°F)		15°C
(59°F)		20°C
(69°F)		24°C
(75°F)		26°C
(79°F)		26°C
(79°F)		23°C
(74°F)		17°C
(63°F)		12°C
(54°F)		6°C
(43°F)
Mean minimum-1°C
(31°F)		1°C
(34°F)		6°C
(43°F)		8°C
(47°F)		15°C
(59°F)		20°C
(68°F)		24°C
(75°F)		24°C
(75°F)		19°C
(66°F)		11°C
(51°F)		7°C
(44°F)		-0°C
(32°F)
Minimum-5°C
(24°F)		-3°C
(26°F)		3°C
(38°F)		5°C
(42°F)		12°C
(53°F)		18°C
(64°F)		22°C
(72°F)		23°C
(73°F)		16°C
(61°F)		9°C
(49°F)		4°C
(39°F)		-1°C
(30°F)

Compare climate in Sanxi with other places

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

Monthly average precipitation in Sanxi, China

Sanxi usually has the most precipitation in March, May and June, with an average of 19 rainy days and 281 mm (11.0 inches) of precipitation per month. The driest months in Sanxi are January, October and December. On average, 52 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sanxi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)66 (2.6)96 (3.8)199 (7.8)186 (7.3)275 (10.8)368 (14.5)163 (6.4)99 (3.9)80 (3.2)38 (1.5)80 (3.2)52 (2.0)
Average precipitation days (≥ 1 mm)810201717201314107109

Monthly sunshine hours in Sanxi, China

The sunniest months in Sanxi are July, August and September, when the sun shines an average of 9 hours 51 minutes a day. Least sunny months in Sanxi: January, February and March receive an average of 5 hours 59 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sanxi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours160195189233273236309315281223208200
Mean daily daylight hours10h 37m11h 13m12h 0m12h 48m13h 28m13h 48m13h 38m13h 3m12h 17m11h 29m10h 47m10h 26m

Solar UV radiation in Sanxi, China

Sanxi experiences the highest level of ultraviolet (UV) radiation in May, July 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 High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 8. For more detailed information, check out our hourly Sanxi UV Index data.

Average daily maximum UV levels by month for Sanxi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)6810111212131311986