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Monthly climate in Hexi, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Hexi features a humid subtropical climate (Cfa). Temperatures typically range between 7 °C (45 °F) and 26 °C (80 °F) through the year, but rarely can drop to -6 °C (21 °F) or can rise to as high as 37 °C (98 °F). The average annual precipitation amounts to about 1744 mm (68.7 inches) and receives 171 rainy days on the 1 mm (0.04 inches) threshold annually. Hexi enjoys an average of 2837 hours of sunshine throughout the year, and daylight varies from 10 hours 23 minutes to 13 hours 52 minutes per day.

Monthly average temperatures in Hexi, China

The warmest months in Hexi are July, August and September, with daily mean temperatures ranging from 24 to 26 °C (75 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 8 °C (45 - 47 °F) throughout the day. On average each year, Hexi experiences 128 days above 25 °C (77.0 °F) and 14 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Hexi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum24°C
(76°F)		26°C
(79°F)		30°C
(86°F)		33°C
(91°F)		37°C
(98°F)		36°C
(97°F)		36°C
(98°F)		35°C
(95°F)		35°C
(95°F)		33°C
(92°F)		29°C
(84°F)		27°C
(80°F)
Mean maximum21°C
(70°F)		23°C
(73°F)		27°C
(81°F)		30°C
(87°F)		34°C
(93°F)		33°C
(91°F)		36°C
(96°F)		35°C
(95°F)		34°C
(93°F)		31°C
(88°F)		25°C
(77°F)		22°C
(71°F)
Average high11°C
(53°F)		12°C
(55°F)		18°C
(64°F)		22°C
(72°F)		26°C
(79°F)		28°C
(82°F)		32°C
(89°F)		31°C
(89°F)		28°C
(84°F)		22°C
(72°F)		18°C
(65°F)		12°C
(55°F)
Daily mean7°C
(45°F)		8°C
(47°F)		13°C
(55°F)		16°C
(62°F)		21°C
(70°F)		24°C
(75°F)		26°C
(80°F)		26°C
(80°F)		24°C
(75°F)		18°C
(65°F)		13°C
(56°F)		8°C
(46°F)
Average low4°C
(39°F)		4°C
(40°F)		9°C
(48°F)		12°C
(54°F)		17°C
(63°F)		20°C
(69°F)		23°C
(74°F)		23°C
(73°F)		20°C
(68°F)		15°C
(59°F)		10°C
(50°F)		4°C
(40°F)
Mean minimum-3°C
(27°F)		-1°C
(30°F)		2°C
(36°F)		5°C
(41°F)		11°C
(52°F)		16°C
(62°F)		21°C
(71°F)		20°C
(69°F)		15°C
(59°F)		8°C
(46°F)		4°C
(39°F)		-2°C
(29°F)
Minimum-5°C
(23°F)		-6°C
(21°F)		-0°C
(32°F)		2°C
(36°F)		8°C
(47°F)		14°C
(57°F)		21°C
(69°F)		20°C
(69°F)		13°C
(56°F)		7°C
(45°F)		2°C
(35°F)		-3°C
(28°F)

Compare climate in Hexi with other places

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

Monthly average precipitation in Hexi, China

Hexi usually has the most precipitation in May, June and July, with an average of 19 rainy days and 276 mm (10.9 inches) of precipitation per month. The driest months in Hexi are January, October and December. On average, 49 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hexi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)40 (1.6)73 (2.9)135 (5.3)137 (5.4)241 (9.5)349 (13.7)238 (9.4)218 (8.6)137 (5.4)68 (2.7)68 (2.7)40 (1.6)
Average precipitation days (≥ 1 mm)810161517212121141099

Monthly sunshine hours in Hexi, China

The sunniest months in Hexi are May, July and August, when the sun shines an average of 9 hours 16 minutes a day. Least sunny months in Hexi: January, February and December receive an average of 6 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hexi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours170205216248271220287303261231210209
Mean daily daylight hours10h 34m11h 11m11h 59m12h 49m13h 31m13h 52m13h 41m13h 5m12h 17m11h 28m10h 45m10h 23m

Solar UV radiation in Hexi, China

Hexi 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, November and December are in the 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 Hexi UV Index data.

Average daily maximum UV levels by month for Hexi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)6811111313131312976