nomadseason

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 (46 °F) and 28 °C (83 °F) through the year, but rarely can drop to -4 °C (25 °F) or can rise to as high as 39 °C (102 °F). The average annual precipitation amounts to about 1262 mm (49.7 inches) and receives 159 rainy days on the 1 mm (0.04 inches) threshold annually. Sanxi enjoys an average of 2800 hours of sunshine throughout the year, and daylight varies from 10 hours 35 minutes to 13 hours 39 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 26 to 28 °C (79 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 8 to 9 °C (46 - 49 °F) throughout the day. On average each year, Sanxi experiences 147 days above 25 °C (77.0 °F) and 7 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
Maximum23°C
(74°F)		27°C
(80°F)		30°C
(86°F)		32°C
(90°F)		35°C
(95°F)		34°C
(94°F)		38°C
(100°F)		39°C
(102°F)		38°C
(100°F)		36°C
(97°F)		29°C
(85°F)		25°C
(77°F)
Mean maximum21°C
(71°F)		25°C
(77°F)		27°C
(81°F)		30°C
(86°F)		33°C
(91°F)		33°C
(91°F)		36°C
(98°F)		36°C
(98°F)		35°C
(96°F)		33°C
(92°F)		27°C
(80°F)		22°C
(73°F)
Average high12°C
(53°F)		14°C
(57°F)		19°C
(66°F)		23°C
(73°F)		27°C
(81°F)		30°C
(86°F)		33°C
(91°F)		33°C
(92°F)		31°C
(88°F)		23°C
(75°F)		19°C
(67°F)		13°C
(56°F)
Daily mean8°C
(46°F)		9°C
(49°F)		15°C
(59°F)		18°C
(65°F)		23°C
(74°F)		26°C
(79°F)		28°C
(83°F)		28°C
(83°F)		26°C
(79°F)		19°C
(67°F)		15°C
(59°F)		9°C
(49°F)
Average low4°C
(40°F)		6°C
(43°F)		11°C
(53°F)		15°C
(59°F)		20°C
(68°F)		23°C
(74°F)		25°C
(77°F)		24°C
(76°F)		22°C
(73°F)		16°C
(61°F)		11°C
(52°F)		6°C
(42°F)
Mean minimum-1°C
(30°F)		1°C
(33°F)		6°C
(43°F)		8°C
(47°F)		14°C
(58°F)		20°C
(68°F)		23°C
(73°F)		23°C
(73°F)		19°C
(66°F)		11°C
(51°F)		5°C
(42°F)		-1°C
(31°F)
Minimum-4°C
(25°F)		-3°C
(27°F)		4°C
(40°F)		7°C
(45°F)		11°C
(52°F)		17°C
(63°F)		21°C
(69°F)		21°C
(71°F)		16°C
(62°F)		9°C
(49°F)		5°C
(41°F)		-2°C
(28°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, April and June, with an average of 18 rainy days and 175 mm (6.9 inches) of precipitation per month. The driest months in Sanxi are January, October and December. On average, 47 mm (1.8 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)53 (2.1)94 (3.7)163 (6.4)147 (5.8)147 (5.8)214 (8.4)98 (3.9)102 (4.0)83 (3.3)53 (2.1)73 (2.9)34 (1.4)
Average precipitation days (≥ 1 mm)81119181719151413898

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 41 minutes a day. Least sunny months in Sanxi: January, March and April receive an average of 5 hours 58 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 hours165207186197260242303312275219215214
Mean daily daylight hours10h 45m11h 17m12h 0m12h 44m13h 21m13h 39m13h 30m12h 58m12h 16m11h 32m10h 54m10h 35m

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 13 - 13, 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 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)79111213131313111086