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Monthly climate in Sihe, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sihe features a humid subtropical climate (Cfa). Temperatures typically range between 5 °C (40 °F) and 28 °C (84 °F) through the year, but rarely can drop to -15 °C (6 °F) or can rise to as high as 39 °C (102 °F). The average annual precipitation amounts to about 1521 mm (59.9 inches) and receives 142 rainy days on the 1 mm (0.04 inches) threshold annually. Sihe enjoys an average of 2830 hours of sunshine throughout the year, and daylight varies from 10 hours 10 minutes to 14 hours 5 minutes per day.

Monthly average temperatures in Sihe, China

The warmest months in Sihe are June, July and August, 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 5 to 6 °C (40 - 44 °F) throughout the day. On average each year, Sihe experiences 129 days above 25 °C (77.0 °F) and 26 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sihe. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum21°C
(69°F)		26°C
(79°F)		29°C
(85°F)		33°C
(91°F)		36°C
(97°F)		36°C
(98°F)		39°C
(102°F)		37°C
(99°F)		37°C
(98°F)		35°C
(95°F)		28°C
(83°F)		22°C
(72°F)
Mean maximum17°C
(63°F)		22°C
(72°F)		27°C
(80°F)		30°C
(87°F)		34°C
(93°F)		34°C
(93°F)		37°C
(99°F)		36°C
(98°F)		34°C
(94°F)		31°C
(88°F)		24°C
(76°F)		18°C
(65°F)
Average high8°C
(47°F)		10°C
(51°F)		16°C
(62°F)		22°C
(72°F)		26°C
(80°F)		29°C
(84°F)		32°C
(90°F)		33°C
(91°F)		28°C
(83°F)		22°C
(72°F)		17°C
(64°F)		11°C
(51°F)
Daily mean5°C
(40°F)		6°C
(44°F)		12°C
(54°F)		17°C
(62°F)		22°C
(71°F)		25°C
(77°F)		28°C
(83°F)		28°C
(84°F)		24°C
(76°F)		18°C
(65°F)		13°C
(55°F)		6°C
(43°F)
Average low1°C
(35°F)		3°C
(37°F)		8°C
(46°F)		12°C
(53°F)		17°C
(63°F)		21°C
(70°F)		25°C
(77°F)		25°C
(77°F)		20°C
(69°F)		14°C
(58°F)		8°C
(47°F)		2°C
(36°F)
Mean minimum-7°C
(19°F)		-3°C
(28°F)		1°C
(34°F)		4°C
(40°F)		11°C
(52°F)		17°C
(62°F)		22°C
(71°F)		21°C
(70°F)		15°C
(60°F)		7°C
(45°F)		2°C
(35°F)		-4°C
(24°F)
Minimum-15°C
(6°F)		-5°C
(24°F)		-1°C
(30°F)		3°C
(38°F)		8°C
(46°F)		13°C
(56°F)		19°C
(67°F)		16°C
(62°F)		14°C
(57°F)		6°C
(43°F)		-2°C
(29°F)		-5°C
(22°F)

Compare climate in Sihe with other places

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

Monthly average precipitation in Sihe, China

Sihe usually has the most precipitation in June, July and August, with an average of 15 rainy days and 253 mm (10.0 inches) of precipitation per month. The driest months in Sihe are October, November and December. On average, 51 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sihe. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)70 (2.7)74 (2.9)123 (4.8)84 (3.3)140 (5.5)276 (10.9)308 (12.1)174 (6.8)118 (4.6)46 (1.8)47 (1.9)61 (2.4)
Average precipitation days (≥ 1 mm)91015101315181413799

Monthly sunshine hours in Sihe, China

The sunniest months in Sihe are May, July and August, when the sun shines an average of 9 hours 15 minutes a day. Least sunny months in Sihe: January, February and December receive an average of 6 hours 0 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sihe. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours143194217248278251284299250232221208
Mean daily daylight hours10h 23m11h 5m11h 59m12h 55m13h 42m14h 5m13h 53m13h 12m12h 19m11h 23m10h 35m10h 10m

Solar UV radiation in Sihe, China

Sihe 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 Sihe UV Index data.

Average daily maximum UV levels by month for Sihe. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)569101112121110864