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Monthly climate in Longchang, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Longchang features a humid subtropical climate (Cfa). Temperatures typically range between 5 °C (41 °F) and 26 °C (79 °F) through the year, but rarely can drop to -8 °C (18 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 1375 mm (54.1 inches) and receives 197 rainy days on the 1 mm (0.04 inches) threshold annually. Longchang enjoys an average of 2474 hours of sunshine throughout the year, and daylight varies from 10 hours 28 minutes to 13 hours 46 minutes per day.

Monthly average temperatures in Longchang, China

The warmest months in Longchang are June, July and August, with daily mean temperatures ranging from 24 to 26 °C (75 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 7 °C (41 - 45 °F) throughout the day. On average each year, Longchang experiences 114 days above 25 °C (77.0 °F) and 13 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Longchang. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum19°C
(67°F)		25°C
(77°F)		29°C
(85°F)		31°C
(89°F)		32°C
(90°F)		33°C
(92°F)		36°C
(97°F)		36°C
(97°F)		34°C
(94°F)		35°C
(95°F)		27°C
(81°F)		23°C
(73°F)
Mean maximum16°C
(62°F)		22°C
(72°F)		27°C
(80°F)		29°C
(85°F)		31°C
(88°F)		31°C
(87°F)		34°C
(93°F)		35°C
(95°F)		33°C
(91°F)		30°C
(86°F)		24°C
(75°F)		19°C
(66°F)
Average high8°C
(46°F)		10°C
(51°F)		16°C
(62°F)		20°C
(69°F)		24°C
(76°F)		27°C
(81°F)		30°C
(86°F)		31°C
(87°F)		27°C
(81°F)		20°C
(68°F)		16°C
(60°F)		10°C
(50°F)
Daily mean5°C
(41°F)		7°C
(45°F)		13°C
(55°F)		16°C
(61°F)		20°C
(69°F)		24°C
(75°F)		26°C
(79°F)		26°C
(79°F)		23°C
(73°F)		16°C
(62°F)		12°C
(54°F)		7°C
(44°F)
Average low3°C
(37°F)		4°C
(40°F)		9°C
(49°F)		13°C
(55°F)		17°C
(63°F)		21°C
(69°F)		23°C
(73°F)		23°C
(73°F)		20°C
(68°F)		14°C
(57°F)		9°C
(48°F)		4°C
(39°F)
Mean minimum-3°C
(26°F)		-1°C
(31°F)		3°C
(38°F)		6°C
(44°F)		13°C
(55°F)		17°C
(63°F)		20°C
(68°F)		20°C
(68°F)		15°C
(60°F)		8°C
(47°F)		3°C
(38°F)		-3°C
(28°F)
Minimum-8°C
(18°F)		-3°C
(26°F)		2°C
(36°F)		5°C
(41°F)		10°C
(50°F)		15°C
(59°F)		18°C
(65°F)		19°C
(67°F)		12°C
(54°F)		7°C
(46°F)		2°C
(36°F)		-6°C
(21°F)

Compare climate in Longchang with other places

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

Monthly average precipitation in Longchang, China

Longchang usually has the most precipitation in May, June and September, with an average of 18 rainy days and 170 mm (6.7 inches) of precipitation per month. The driest months in Longchang are January, November and December. On average, 65 mm (2.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Longchang. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)69 (2.7)78 (3.1)106 (4.2)131 (5.2)163 (6.4)183 (7.2)123 (4.8)140 (5.5)163 (6.4)93 (3.6)65 (2.6)60 (2.4)
Average precipitation days (≥ 1 mm)141520202020141916131412

Monthly sunshine hours in Longchang, China

The sunniest months in Longchang are May, July and August, when the sun shines an average of 9 hours 16 minutes a day. Least sunny months in Longchang: January, February and December receive an average of 4 hours 32 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Longchang. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours107147173197254241295312239172173159
Mean daily daylight hours10h 39m11h 14m12h 0m12h 47m13h 27m13h 46m13h 36m13h 2m12h 17m11h 30m10h 49m10h 28m

Solar UV radiation in Longchang, China

Longchang experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. January, February and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 8. For more detailed information, check out our hourly Longchang UV Index data.

Average daily maximum UV levels by month for Longchang. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)78101113131413111086