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Monthly climate in Hongsihu, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Hongsihu features a cold desert climate (BWk). Temperatures typically range between -8 °C (17 °F) and 22 °C (72 °F) through the year, but rarely can drop to -23 °C (-9 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 251 mm (9.9 inches) and receives 45 rainy days on the 1 mm (0.04 inches) threshold annually. Hongsihu enjoys an average of 3719 hours of sunshine throughout the year, and daylight varies from 9 hours 28 minutes to 14 hours 50 minutes per day.

Monthly average temperatures in Hongsihu, China

The warmest months in Hongsihu are June, July and August, with daily mean temperatures ranging from 19 to 22 °C (67 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -8 to -4 °C (17 - 24 °F) throughout the day. On average each year, Hongsihu experiences 58 days above 25 °C (77.0 °F) and 148 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Hongsihu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum10°C
(51°F)		17°C
(63°F)		23°C
(73°F)		27°C
(81°F)		33°C
(92°F)		31°C
(89°F)		37°C
(99°F)		34°C
(93°F)		28°C
(83°F)		26°C
(80°F)		18°C
(65°F)		12°C
(53°F)
Mean maximum7°C
(44°F)		12°C
(55°F)		19°C
(66°F)		25°C
(77°F)		29°C
(85°F)		30°C
(86°F)		35°C
(95°F)		32°C
(90°F)		26°C
(79°F)		22°C
(72°F)		15°C
(60°F)		8°C
(46°F)
Average high-2°C
(29°F)		3°C
(38°F)		10°C
(51°F)		15°C
(60°F)		21°C
(70°F)		25°C
(77°F)		28°C
(82°F)		25°C
(78°F)		21°C
(70°F)		13°C
(55°F)		6°C
(43°F)		-1°C
(30°F)
Daily mean-8°C
(17°F)		-4°C
(24°F)		4°C
(39°F)		10°C
(49°F)		15°C
(59°F)		19°C
(67°F)		22°C
(72°F)		20°C
(68°F)		15°C
(59°F)		7°C
(44°F)		-1°C
(31°F)		-8°C
(18°F)
Average low-14°C
(7°F)		-12°C
(11°F)		-3°C
(26°F)		3°C
(38°F)		9°C
(48°F)		14°C
(57°F)		16°C
(61°F)		15°C
(58°F)		10°C
(50°F)		1°C
(34°F)		-7°C
(20°F)		-14°C
(8°F)
Mean minimum-20°C
(-3°F)		-18°C
(0°F)		-10°C
(13°F)		-4°C
(25°F)		1°C
(34°F)		10°C
(50°F)		11°C
(53°F)		10°C
(50°F)		5°C
(40°F)		-4°C
(24°F)		-15°C
(6°F)		-18°C
(-1°F)
Minimum-22°C
(-8°F)		-23°C
(-9°F)		-16°C
(4°F)		-12°C
(11°F)		-0°C
(31°F)		6°C
(43°F)		10°C
(50°F)		8°C
(47°F)		2°C
(36°F)		-7°C
(20°F)		-16°C
(3°F)		-21°C
(-5°F)

Compare climate in Hongsihu with other places

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

Monthly average precipitation in Hongsihu, China

Hongsihu usually has the most precipitation in June, August and September, with an average of 7 rainy days and 47 mm (1.9 inches) of precipitation per month. The driest months in Hongsihu are February, November and December. On average, 3 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hongsihu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)3 (0.1)2 (0.1)4 (0.1)25 (1.0)24 (1.0)38 (1.5)34 (1.4)55 (2.1)50 (2.0)10 (0.4)3 (0.1)3 (0.1)
Average precipitation days (≥ 1 mm)100566797211

Monthly sunshine hours in Hongsihu, China

The sunniest months in Hongsihu are May, July and August, when the sun shines an average of 11 hours 22 minutes a day. Least sunny months in Hongsihu: January, November and December receive an average of 8 hours 27 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hongsihu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours225279326317346335362349319306279272
Mean daily daylight hours9h 45m10h 43m11h 57m13h 13m14h 17m14h 50m14h 33m13h 37m12h 24m11h 8m10h 2m9h 28m

Solar UV radiation in Hongsihu, China

Hongsihu experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 11 - 13, which corresponds to the 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 4. For more detailed information, check out our hourly Hongsihu UV Index data.

Average daily maximum UV levels by month for Hongsihu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)35710111312119743