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Monthly climate in Longjiang, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Longjiang features a humid continental climate (Dwa). Temperatures typically range between -17 °C (2 °F) and 24 °C (76 °F) through the year, but rarely can drop to -30 °C (-22 °F) or can rise to as high as 41 °C (106 °F). The average annual precipitation amounts to about 574 mm (22.6 inches) and receives 61 rainy days on the 1 mm (0.04 inches) threshold annually. Longjiang enjoys an average of 3380 hours of sunshine throughout the year, and daylight varies from 8 hours 31 minutes to 15 hours 50 minutes per day.

Monthly average temperatures in Longjiang, China

The warmest months in Longjiang are June, July and August, with daily mean temperatures ranging from 21 to 24 °C (69 - 76 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -17 to -12 °C (2 - 10 °F) throughout the day. On average each year, Longjiang experiences 63 days above 25 °C (77.0 °F) and 164 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Longjiang. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum1°C
(33°F)		12°C
(53°F)		22°C
(71°F)		30°C
(85°F)		38°C
(100°F)		41°C
(106°F)		36°C
(98°F)		34°C
(93°F)		32°C
(89°F)		29°C
(85°F)		16°C
(61°F)		7°C
(45°F)
Mean maximum-4°C
(25°F)		4°C
(39°F)		16°C
(61°F)		26°C
(79°F)		34°C
(93°F)		33°C
(91°F)		34°C
(93°F)		32°C
(89°F)		28°C
(82°F)		23°C
(73°F)		11°C
(53°F)		1°C
(34°F)
Average high-11°C
(13°F)		-6°C
(21°F)		5°C
(41°F)		14°C
(58°F)		22°C
(71°F)		26°C
(79°F)		29°C
(85°F)		25°C
(78°F)		21°C
(70°F)		13°C
(55°F)		0°C
(33°F)		-10°C
(15°F)
Daily mean-17°C
(2°F)		-12°C
(10°F)		-1°C
(30°F)		8°C
(47°F)		16°C
(60°F)		21°C
(69°F)		24°C
(76°F)		21°C
(70°F)		15°C
(60°F)		6°C
(43°F)		-5°C
(24°F)		-15°C
(5°F)
Average low-21°C
(-6°F)		-17°C
(1°F)		-7°C
(19°F)		1°C
(34°F)		9°C
(48°F)		15°C
(59°F)		20°C
(68°F)		17°C
(63°F)		10°C
(51°F)		0°C
(33°F)		-9°C
(16°F)		-19°C
(-2°F)
Mean minimum-27°C
(-16°F)		-25°C
(-13°F)		-17°C
(1°F)		-6°C
(21°F)		0°C
(33°F)		9°C
(49°F)		15°C
(59°F)		10°C
(51°F)		3°C
(38°F)		-7°C
(19°F)		-17°C
(2°F)		-26°C
(-14°F)
Minimum-30°C
(-22°F)		-28°C
(-18°F)		-21°C
(-6°F)		-8°C
(18°F)		-1°C
(30°F)		7°C
(45°F)		13°C
(55°F)		8°C
(47°F)		2°C
(36°F)		-12°C
(12°F)		-21°C
(-6°F)		-29°C
(-19°F)

Compare climate in Longjiang with other places

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

Monthly average precipitation in Longjiang, China

Longjiang usually has the most precipitation in June, July and August, with an average of 12 rainy days and 127 mm (5.0 inches) of precipitation per month. The driest months in Longjiang are January, February and December. On average, 3 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Longjiang. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)2 (0.1)4 (0.2)5 (0.2)23 (0.9)38 (1.5)97 (3.8)146 (5.8)137 (5.4)92 (3.6)18 (0.7)7 (0.3)4 (0.1)
Average precipitation days (≥ 1 mm)0113511121410310

Monthly sunshine hours in Longjiang, China

The sunniest months in Longjiang are May, June and July, when the sun shines an average of 11 hours 9 minutes a day. Least sunny months in Longjiang: January, November and December receive an average of 7 hours 13 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Longjiang. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours199247297311338339348287278267228236
Mean daily daylight hours8h 56m10h 15m11h 55m13h 37m15h 5m15h 50m15h 27m14h 10m12h 31m10h 50m9h 19m8h 31m

Solar UV radiation in Longjiang, China

Longjiang experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High category of sun exposure. January, November 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 Longjiang UV Index data.

Average daily maximum UV levels by month for Longjiang. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235688986421