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Monthly climate in Sanyang, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sanyang features a humid subtropical climate (Cfa). Temperatures typically range between 6 °C (42 °F) and 28 °C (84 °F) through the year, but rarely can drop to -7 °C (20 °F) or can rise to as high as 36 °C (98 °F). The average annual precipitation amounts to about 1258 mm (49.5 inches) and receives 122 rainy days on the 1 mm (0.04 inches) threshold annually. Sanyang enjoys an average of 3025 hours of sunshine throughout the year, and daylight varies from 10 hours 4 minutes to 14 hours 11 minutes per day.

Monthly average temperatures in Sanyang, China

The warmest months in Sanyang are July, August and September, with daily mean temperatures ranging from 25 to 28 °C (77 - 84 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 8 °C (42 - 47 °F) throughout the day. On average each year, Sanyang experiences 101 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 Sanyang. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum19°C
(66°F)		21°C
(70°F)		23°C
(74°F)		27°C
(80°F)		31°C
(89°F)		34°C
(94°F)		36°C
(98°F)		35°C
(96°F)		33°C
(91°F)		30°C
(87°F)		25°C
(77°F)		19°C
(67°F)
Mean maximum14°C
(57°F)		16°C
(61°F)		21°C
(71°F)		25°C
(78°F)		29°C
(84°F)		30°C
(86°F)		34°C
(94°F)		33°C
(93°F)		32°C
(89°F)		27°C
(81°F)		22°C
(72°F)		16°C
(61°F)
Average high8°C
(46°F)		9°C
(48°F)		14°C
(57°F)		18°C
(65°F)		23°C
(74°F)		26°C
(79°F)		30°C
(86°F)		31°C
(88°F)		27°C
(81°F)		22°C
(71°F)		17°C
(63°F)		11°C
(51°F)
Daily mean6°C
(42°F)		6°C
(43°F)		11°C
(51°F)		15°C
(59°F)		20°C
(68°F)		24°C
(75°F)		28°C
(82°F)		28°C
(84°F)		25°C
(77°F)		19°C
(67°F)		14°C
(58°F)		8°C
(47°F)
Average low3°C
(38°F)		4°C
(39°F)		8°C
(47°F)		12°C
(54°F)		17°C
(63°F)		21°C
(71°F)		26°C
(79°F)		27°C
(80°F)		23°C
(74°F)		17°C
(64°F)		12°C
(54°F)		6°C
(42°F)
Mean minimum-3°C
(27°F)		-1°C
(31°F)		4°C
(39°F)		7°C
(45°F)		13°C
(56°F)		19°C
(66°F)		23°C
(73°F)		24°C
(75°F)		19°C
(67°F)		12°C
(54°F)		6°C
(44°F)		-1°C
(30°F)
Minimum-7°C
(20°F)		-3°C
(27°F)		2°C
(37°F)		6°C
(43°F)		12°C
(54°F)		17°C
(63°F)		20°C
(68°F)		22°C
(72°F)		18°C
(64°F)		11°C
(52°F)		3°C
(39°F)		-5°C
(23°F)

Compare climate in Sanyang with other places

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

Monthly average precipitation in Sanyang, China

Sanyang usually has the most precipitation in July, August and September, with an average of 14 rainy days and 194 mm (7.6 inches) of precipitation per month. The driest months in Sanyang are January, November and December. On average, 55 mm (2.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sanyang. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)55 (2.2)61 (2.4)70 (2.8)80 (3.2)106 (4.2)127 (5.0)235 (9.2)174 (6.9)173 (6.8)67 (2.6)58 (2.3)52 (2.0)
Average precipitation days (≥ 1 mm)89109911151413888

Monthly sunshine hours in Sanyang, China

The sunniest months in Sanyang are May, July and August, when the sun shines an average of 9 hours 41 minutes a day. Least sunny months in Sanyang: January, February and December receive an average of 6 hours 29 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sanyang. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours162218253264293281292315263248220210
Mean daily daylight hours10h 18m11h 2m11h 58m12h 57m13h 47m14h 11m13h 59m13h 16m12h 20m11h 21m10h 31m10h 4m

Solar UV radiation in Sanyang, China

Sanyang experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 11 - 12, which corresponds to the Extreme category of sun exposure. January, February 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 Sanyang UV Index data.

Average daily maximum UV levels by month for Sanyang. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)468101011121110864