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Monthly climate in Siyang, Guizhou, China

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Siyang features a humid subtropical climate (Cfa).Temperatures typically range between 5 °C (41 °F) and 27 °C (80 °F) through the year, but rarely can drop to -6 °C (22 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1691 mm (66.6 inches) and receives 198 rainy days on the 1 mm (0.04 inches) threshold annually.Siyang enjoys an average of 2503 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 Siyang, Guizhou, China §

The warmest months in Siyang are June, July and August, with daily mean temperatures ranging from 24 to 27 °C (75 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 7 °C (41 - 44 °F) throughout the day. On average each year, Siyang experiences 113 days above 25 °C (77.0 °F) and 16 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Siyang, Guizhou, China.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 18°C
(65°F)		 25°C
(77°F)		 31°C
(87°F)		 32°C
(90°F)		 33°C
(92°F)		 34°C
(94°F)		 37°C
(99°F)		 37°C
(99°F)		 35°C
(96°F)		 34°C
(94°F)		 28°C
(83°F)		 19°C
(67°F)
Mean maximum 15°C
(60°F)		 22°C
(73°F)		 28°C
(82°F)		 30°C
(86°F)		 32°C
(89°F)		 32°C
(89°F)		 35°C
(95°F)		 36°C
(97°F)		 33°C
(92°F)		 30°C
(86°F)		 24°C
(75°F)		 17°C
(63°F)
Average high 7°C
(45°F)		 10°C
(50°F)		 16°C
(60°F)		 20°C
(69°F)		 24°C
(76°F)		 28°C
(82°F)		 31°C
(88°F)		 31°C
(89°F)		 27°C
(81°F)		 20°C
(68°F)		 15°C
(60°F)		 10°C
(49°F)
Daily mean 5°C
(41°F)		 7°C
(44°F)		 12°C
(54°F)		 16°C
(61°F)		 20°C
(69°F)		 24°C
(75°F)		 27°C
(80°F)		 27°C
(80°F)		 23°C
(73°F)		 16°C
(62°F)		 12°C
(54°F)		 6°C
(44°F)
Average low 2°C
(37°F)		 4°C
(39°F)		 9°C
(48°F)		 12°C
(54°F)		 17°C
(63°F)		 21°C
(70°F)		 23°C
(74°F)		 23°C
(74°F)		 20°C
(68°F)		 14°C
(57°F)		 9°C
(48°F)		 4°C
(39°F)
Mean minimum -2°C
(28°F)		 -1°C
(30°F)		 3°C
(38°F)		 7°C
(44°F)		 12°C
(54°F)		 17°C
(62°F)		 20°C
(68°F)		 20°C
(68°F)		 16°C
(61°F)		 9°C
(48°F)		 3°C
(38°F)		 -3°C
(27°F)
Minimum -6°C
(22°F)		 -4°C
(25°F)		 3°C
(37°F)		 5°C
(41°F)		 9°C
(49°F)		 14°C
(57°F)		 18°C
(64°F)		 19°C
(66°F)		 14°C
(57°F)		 8°C
(46°F)		 2°C
(36°F)		 -5°C
(24°F)

Compare climate in Siyang with other places

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

Monthly average precipitation in Siyang, Guizhou, China §

Siyang usually has the most precipitation in April, May and June, with an average of 20 rainy days and 215 mm (8.5 inches) of precipitation per month.The driest months in Siyang are January, November and December. On average, 85 mm (3.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Siyang, Guizhou, China.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 93 (3.7) 100 (3.9) 156 (6.1) 179 (7.0) 239 (9.4) 227 (8.9) 150 (5.9) 130 (5.1) 161 (6.3) 95 (3.7) 92 (3.6) 69 (2.7)
Average precipitation days (≥ 1 mm) 14 16 21 20 20 20 16 17 15 13 14 12

Monthly sunshine hours in Siyang, Guizhou, China §

The sunniest months in Siyang are May, July and August, when the sun shines an average of 9 hours 21 minutes a day.Least sunny months in Siyang: January, February and December receive an average of 4 hours 46 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Siyang, Guizhou, China.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 111 157 170 190 256 251 298 315 237 176 172 164
Mean daily daylight hours 10h 37m 11h 13m 12h 0m 12h 48m 13h 28m 13h 48m 13h 38m 13h 3m 12h 17m 11h 29m 10h 47m 10h 26m

Solar UV radiation in Siyang, Guizhou, China §

Siyang 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, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 7. For more detailed information, check out our hourly Siyang UV Index data.

Average daily maximum UV levels by month for Siyang, Guizhou, China.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 6 8 10 11 12 12 13 13 11 10 7 5