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Monthly climate in Sizao, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sizao features a humid subtropical climate (Cfa). Temperatures typically range between 4 °C (39 °F) and 28 °C (83 °F) through the year, but rarely can drop to -10 °C (15 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 1116 mm (43.9 inches) and receives 107 rainy days on the 1 mm (0.04 inches) threshold annually. Sizao enjoys an average of 3045 hours of sunshine throughout the year, and daylight varies from 10 hours 1 minutes to 14 hours 15 minutes per day.

Monthly average temperatures in Sizao, China

The warmest months in Sizao are June, July and August, with daily mean temperatures ranging from 24 to 28 °C (76 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 6 °C (39 - 43 °F) throughout the day. On average each year, Sizao experiences 124 days above 25 °C (77.0 °F) and 34 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sizao. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum16°C
(62°F)		25°C
(77°F)		29°C
(84°F)		31°C
(89°F)		36°C
(96°F)		36°C
(98°F)		38°C
(101°F)		37°C
(99°F)		35°C
(96°F)		32°C
(90°F)		28°C
(82°F)		20°C
(68°F)
Mean maximum13°C
(57°F)		19°C
(66°F)		25°C
(77°F)		29°C
(85°F)		33°C
(92°F)		34°C
(94°F)		36°C
(97°F)		35°C
(96°F)		32°C
(91°F)		29°C
(84°F)		24°C
(75°F)		17°C
(63°F)
Average high7°C
(46°F)		10°C
(50°F)		15°C
(59°F)		20°C
(69°F)		26°C
(78°F)		29°C
(84°F)		31°C
(88°F)		32°C
(89°F)		28°C
(82°F)		22°C
(72°F)		17°C
(63°F)		10°C
(51°F)
Daily mean4°C
(39°F)		5°C
(42°F)		10°C
(51°F)		15°C
(59°F)		21°C
(69°F)		24°C
(76°F)		28°C
(82°F)		28°C
(83°F)		24°C
(76°F)		18°C
(64°F)		12°C
(55°F)		6°C
(43°F)
Average low1°C
(33°F)		1°C
(34°F)		6°C
(43°F)		10°C
(51°F)		16°C
(61°F)		20°C
(69°F)		25°C
(77°F)		25°C
(78°F)		21°C
(70°F)		14°C
(57°F)		8°C
(47°F)		2°C
(35°F)
Mean minimum-7°C
(20°F)		-4°C
(25°F)		-1°C
(31°F)		3°C
(38°F)		10°C
(50°F)		17°C
(63°F)		21°C
(70°F)		22°C
(72°F)		16°C
(61°F)		7°C
(45°F)		1°C
(34°F)		-5°C
(23°F)
Minimum-10°C
(15°F)		-5°C
(23°F)		-2°C
(29°F)		2°C
(35°F)		7°C
(46°F)		15°C
(60°F)		18°C
(64°F)		20°C
(69°F)		13°C
(56°F)		6°C
(44°F)		-1°C
(31°F)		-8°C
(17°F)

Compare climate in Sizao with other places

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

Monthly average precipitation in Sizao, China

Sizao usually has the most precipitation in June, July and August, with an average of 13 rainy days and 188 mm (7.4 inches) of precipitation per month. The driest months in Sizao are February, November and December. On average, 40 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sizao. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)42 (1.6)39 (1.6)48 (1.9)59 (2.3)120 (4.7)141 (5.6)254 (10.0)169 (6.6)106 (4.2)58 (2.3)41 (1.6)40 (1.6)
Average precipitation days (≥ 1 mm)687889171510757

Monthly sunshine hours in Sizao, China

The sunniest months in Sizao are May, July and August, when the sun shines an average of 9 hours 28 minutes a day. Least sunny months in Sizao: January, February and December receive an average of 6 hours 43 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sizao. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours170218256265285285287307269246228223
Mean daily daylight hours10h 15m11h 0m11h 59m12h 59m13h 49m14h 15m14h 2m13h 18m12h 20m11h 20m10h 28m10h 1m

Solar UV radiation in Sizao, China

Sizao experiences the highest level of ultraviolet (UV) radiation in April, July and August, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure. January, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Sizao UV Index data.

Average daily maximum UV levels by month for Sizao. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)468101010111110754