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Monthly climate in Siqian, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Siqian features a humid subtropical climate (Cfa). Temperatures typically range between 11 °C (51 °F) and 28 °C (83 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 1675 mm (65.9 inches) and receives 179 rainy days on the 1 mm (0.04 inches) threshold annually. Siqian enjoys an average of 2984 hours of sunshine throughout the year, and daylight varies from 10 hours 36 minutes to 13 hours 38 minutes per day.

Monthly average temperatures in Siqian, China

The warmest months in Siqian are June, July and August, 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 11 to 11 °C (51 - 53 °F) throughout the day. On average each year, Siqian experiences 162 days above 25 °C (77.0 °F) and 1 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Siqian. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum25°C
(76°F)		27°C
(81°F)		30°C
(87°F)		31°C
(87°F)		34°C
(93°F)		34°C
(94°F)		37°C
(99°F)		37°C
(98°F)		36°C
(97°F)		35°C
(95°F)		29°C
(84°F)		26°C
(79°F)
Mean maximum23°C
(74°F)		25°C
(78°F)		27°C
(81°F)		30°C
(86°F)		32°C
(90°F)		33°C
(91°F)		36°C
(96°F)		35°C
(96°F)		34°C
(94°F)		33°C
(91°F)		28°C
(82°F)		24°C
(75°F)
Average high15°C
(59°F)		16°C
(61°F)		20°C
(69°F)		23°C
(74°F)		28°C
(82°F)		30°C
(86°F)		32°C
(91°F)		32°C
(90°F)		31°C
(87°F)		26°C
(78°F)		21°C
(71°F)		16°C
(61°F)
Daily mean11°C
(51°F)		11°C
(53°F)		16°C
(62°F)		19°C
(67°F)		24°C
(75°F)		26°C
(79°F)		28°C
(83°F)		27°C
(82°F)		26°C
(79°F)		21°C
(70°F)		17°C
(62°F)		11°C
(52°F)
Average low7°C
(45°F)		8°C
(47°F)		13°C
(56°F)		16°C
(61°F)		21°C
(70°F)		24°C
(75°F)		25°C
(77°F)		24°C
(76°F)		22°C
(73°F)		17°C
(64°F)		13°C
(56°F)		8°C
(46°F)
Mean minimum0°C
(33°F)		2°C
(36°F)		7°C
(44°F)		8°C
(47°F)		16°C
(60°F)		20°C
(68°F)		23°C
(74°F)		22°C
(72°F)		18°C
(65°F)		12°C
(53°F)		8°C
(46°F)		1°C
(35°F)
Minimum-3°C
(27°F)		-2°C
(29°F)		3°C
(37°F)		4°C
(40°F)		11°C
(52°F)		18°C
(64°F)		23°C
(73°F)		22°C
(71°F)		14°C
(58°F)		10°C
(51°F)		5°C
(42°F)		1°C
(34°F)

Compare climate in Siqian with other places

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

Monthly average precipitation in Siqian, China

Siqian usually has the most precipitation in April, May and June, with an average of 21 rainy days and 251 mm (9.9 inches) of precipitation per month. The driest months in Siqian are January, November and December. On average, 44 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Siqian. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)48 (1.9)90 (3.6)178 (7.0)186 (7.3)229 (9.0)339 (13.4)139 (5.5)183 (7.2)140 (5.5)59 (2.3)56 (2.2)27 (1.1)
Average precipitation days (≥ 1 mm)6919172325182418785

Monthly sunshine hours in Siqian, China

The sunniest months in Siqian are July, August and September, when the sun shines an average of 9 hours 47 minutes a day. Least sunny months in Siqian: January, March and April receive an average of 6 hours 35 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Siqian. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours193216200212278248305308287256231246
Mean daily daylight hours10h 46m11h 18m12h 0m12h 44m13h 20m13h 38m13h 29m12h 57m12h 16m11h 32m10h 55m10h 36m

Solar UV radiation in Siqian, China

Siqian 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, February 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 Siqian UV Index data.

Average daily maximum UV levels by month for Siqian. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)79121213131313111097