nomadseason

Monthly climate in Sanyi, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sanyi features a humid subtropical climate (Cwa). Temperatures typically range between 5 °C (42 °F) and 26 °C (79 °F) through the year, but rarely can drop to -2 °C (28 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 1544 mm (60.8 inches) and receives 188 rainy days on the 1 mm (0.04 inches) threshold annually. Sanyi enjoys an average of 2580 hours of sunshine throughout the year, and daylight varies from 10 hours 12 minutes to 14 hours 3 minutes per day.

Monthly average temperatures in Sanyi, China

The warmest months in Sanyi are June, July and August, with daily mean temperatures ranging from 23 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 5 to 7 °C (42 - 45 °F) throughout the day. On average each year, Sanyi experiences 95 days above 25 °C (77.0 °F) and 5 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sanyi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum14°C
(58°F)		23°C
(74°F)		29°C
(84°F)		31°C
(88°F)		33°C
(91°F)		33°C
(92°F)		36°C
(97°F)		35°C
(96°F)		34°C
(93°F)		31°C
(89°F)		22°C
(73°F)		17°C
(62°F)
Mean maximum12°C
(55°F)		17°C
(64°F)		25°C
(78°F)		29°C
(84°F)		31°C
(89°F)		31°C
(89°F)		35°C
(95°F)		34°C
(94°F)		31°C
(89°F)		27°C
(80°F)		21°C
(70°F)		13°C
(56°F)
Average high8°C
(46°F)		10°C
(51°F)		16°C
(61°F)		20°C
(69°F)		23°C
(74°F)		26°C
(79°F)		29°C
(85°F)		31°C
(87°F)		25°C
(77°F)		19°C
(66°F)		14°C
(58°F)		9°C
(48°F)
Daily mean5°C
(42°F)		7°C
(45°F)		12°C
(54°F)		16°C
(61°F)		19°C
(67°F)		23°C
(73°F)		26°C
(78°F)		26°C
(79°F)		22°C
(71°F)		16°C
(61°F)		11°C
(52°F)		6°C
(44°F)
Average low3°C
(38°F)		4°C
(39°F)		8°C
(48°F)		12°C
(54°F)		16°C
(61°F)		19°C
(67°F)		22°C
(72°F)		22°C
(73°F)		19°C
(66°F)		14°C
(57°F)		8°C
(47°F)		4°C
(40°F)
Mean minimum-1°C
(31°F)		-0°C
(32°F)		4°C
(39°F)		7°C
(46°F)		12°C
(53°F)		16°C
(61°F)		20°C
(68°F)		19°C
(66°F)		15°C
(59°F)		9°C
(49°F)		4°C
(40°F)		-1°C
(31°F)
Minimum-2°C
(28°F)		-2°C
(28°F)		2°C
(37°F)		6°C
(43°F)		10°C
(50°F)		13°C
(56°F)		18°C
(65°F)		17°C
(62°F)		13°C
(56°F)		8°C
(46°F)		3°C
(37°F)		-1°C
(30°F)

Compare climate in Sanyi with other places

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

Monthly average precipitation in Sanyi, China

Sanyi usually has the most precipitation in June, July and August, with an average of 19 rainy days and 203 mm (8.0 inches) of precipitation per month. The driest months in Sanyi are January, February and December. On average, 47 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sanyi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)43 (1.7)57 (2.3)107 (4.2)147 (5.8)177 (7.0)197 (7.8)224 (8.8)187 (7.4)163 (6.4)127 (5.0)77 (3.0)39 (1.5)
Average precipitation days (≥ 1 mm)111115171920201719161211

Monthly sunshine hours in Sanyi, China

The sunniest months in Sanyi are June, July and August, when the sun shines an average of 9 hours 28 minutes a day. Least sunny months in Sanyi: January, October and December receive an average of 4 hours 50 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sanyi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours123182201227245256301313230160169166
Mean daily daylight hours10h 25m11h 6m11h 59m12h 54m13h 40m14h 3m13h 51m13h 11m12h 19m11h 24m10h 36m10h 12m

Solar UV radiation in Sanyi, China

Sanyi experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 12 - 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 Sanyi UV Index data.

Average daily maximum UV levels by month for Sanyi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)5610111212121211975