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Monthly climate in Heihe, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Heihe features a humid continental climate (Dwb). Temperatures typically range between -21 °C (-5 °F) and 23 °C (73 °F) through the year, but rarely can drop to -38 °C (-36 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 649 mm (25.5 inches) and receives 80 rainy days on the 1 mm (0.04 inches) threshold annually. Heihe enjoys an average of 3254 hours of sunshine throughout the year, and daylight varies from 8 hours 7 minutes to 16 hours 18 minutes per day.

Monthly average temperatures in Heihe, China

The warmest months in Heihe are June, July and August, with daily mean temperatures ranging from 18 to 23 °C (65 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -21 to -16 °C (-5 - 3 °F) throughout the day. On average each year, Heihe experiences 48 days above 25 °C (77.0 °F) and 179 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Heihe. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum-5°C
(24°F)		5°C
(42°F)		17°C
(62°F)		28°C
(83°F)		32°C
(90°F)		34°C
(94°F)		36°C
(97°F)		31°C
(88°F)		28°C
(83°F)		26°C
(78°F)		12°C
(55°F)		-2°C
(28°F)
Mean maximum-9°C
(17°F)		-0°C
(32°F)		12°C
(54°F)		23°C
(74°F)		29°C
(85°F)		29°C
(84°F)		34°C
(93°F)		29°C
(84°F)		26°C
(79°F)		19°C
(67°F)		7°C
(45°F)		-6°C
(21°F)
Average high-15°C
(5°F)		-10°C
(14°F)		1°C
(35°F)		11°C
(51°F)		19°C
(66°F)		23°C
(74°F)		28°C
(82°F)		24°C
(75°F)		19°C
(67°F)		10°C
(50°F)		-4°C
(26°F)		-15°C
(5°F)
Daily mean-21°C
(-5°F)		-16°C
(3°F)		-4°C
(25°F)		5°C
(41°F)		13°C
(55°F)		18°C
(65°F)		23°C
(73°F)		19°C
(67°F)		14°C
(57°F)		4°C
(39°F)		-8°C
(17°F)		-20°C
(-4°F)
Average low-25°C
(-13°F)		-21°C
(-6°F)		-10°C
(14°F)		-2°C
(29°F)		6°C
(43°F)		13°C
(56°F)		18°C
(64°F)		15°C
(59°F)		8°C
(47°F)		-1°C
(30°F)		-12°C
(10°F)		-24°C
(-11°F)
Mean minimum-32°C
(-25°F)		-31°C
(-23°F)		-22°C
(-7°F)		-9°C
(17°F)		-0°C
(32°F)		8°C
(47°F)		13°C
(56°F)		9°C
(48°F)		1°C
(34°F)		-8°C
(17°F)		-22°C
(-7°F)		-32°C
(-25°F)
Minimum-38°C
(-36°F)		-36°C
(-32°F)		-27°C
(-16°F)		-12°C
(11°F)		-3°C
(28°F)		5°C
(42°F)		11°C
(52°F)		5°C
(42°F)		-1°C
(31°F)		-11°C
(12°F)		-31°C
(-24°F)		-36°C
(-32°F)

Compare climate in Heihe with other places

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

Monthly average precipitation in Heihe, China

Heihe usually has the most precipitation in June, July and August, with an average of 13 rainy days and 132 mm (5.2 inches) of precipitation per month. The driest months in Heihe are January, February and December. On average, 5 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Heihe. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)5 (0.2)4 (0.2)13 (0.5)25 (1.0)55 (2.2)102 (4.0)130 (5.1)164 (6.5)84 (3.3)39 (1.6)20 (0.8)6 (0.3)
Average precipitation days (≥ 1 mm)1125712141510652

Monthly sunshine hours in Heihe, China

The sunniest months in Heihe are May, June and July, when the sun shines an average of 11 hours 3 minutes a day. Least sunny months in Heihe: January, November and December receive an average of 6 hours 32 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Heihe. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours180235285304336331349287274248205216
Mean daily daylight hours8h 34m10h 3m11h 54m13h 47m15h 26m16h 18m15h 52m14h 24m12h 34m10h 42m9h 1m8h 7m

Solar UV radiation in Heihe, China

Heihe experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 7 - 8, which corresponds to the High / Very High category of sun exposure. January, February and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Heihe UV Index data.

Average daily maximum UV levels by month for Heihe. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)124577885421