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Monthly climate in Longchuan, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Longchuan features a subtropical climate (Cwb). Temperatures typically range between 10 °C (50 °F) and 22 °C (72 °F) through the year, but rarely can drop to -2 °C (30 °F) or can rise to as high as 33 °C (91 °F). The average annual precipitation amounts to about 1078 mm (42.4 inches) and receives 135 rainy days on the 1 mm (0.04 inches) threshold annually. Longchuan enjoys an average of 3453 hours of sunshine throughout the year, and daylight varies from 10 hours 35 minutes to 13 hours 39 minutes per day.

Monthly average temperatures in Longchuan, China

The warmest months in Longchuan are May, June and July, with daily mean temperatures ranging from 20 to 22 °C (69 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 12 °C (50 - 54 °F) throughout the day. On average each year, Longchuan experiences 86 days above 25 °C (77.0 °F) and 1 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Longchuan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum22°C
(71°F)		24°C
(76°F)		29°C
(84°F)		30°C
(87°F)		33°C
(91°F)		32°C
(89°F)		29°C
(85°F)		29°C
(85°F)		28°C
(82°F)		27°C
(80°F)		25°C
(77°F)		21°C
(71°F)
Mean maximum20°C
(69°F)		23°C
(74°F)		27°C
(80°F)		29°C
(84°F)		30°C
(86°F)		29°C
(85°F)		28°C
(83°F)		28°C
(83°F)		27°C
(81°F)		26°C
(78°F)		23°C
(74°F)		20°C
(69°F)
Average high17°C
(62°F)		18°C
(65°F)		22°C
(72°F)		23°C
(75°F)		26°C
(78°F)		27°C
(80°F)		24°C
(76°F)		25°C
(76°F)		24°C
(75°F)		22°C
(71°F)		20°C
(68°F)		17°C
(63°F)
Daily mean10°C
(50°F)		12°C
(54°F)		16°C
(61°F)		18°C
(64°F)		20°C
(69°F)		22°C
(72°F)		20°C
(69°F)		20°C
(69°F)		19°C
(67°F)		17°C
(63°F)		14°C
(57°F)		10°C
(51°F)
Average low5°C
(41°F)		6°C
(43°F)		10°C
(50°F)		13°C
(55°F)		16°C
(61°F)		18°C
(65°F)		18°C
(64°F)		17°C
(63°F)		16°C
(62°F)		14°C
(57°F)		9°C
(48°F)		5°C
(42°F)
Mean minimum1°C
(34°F)		1°C
(34°F)		6°C
(42°F)		7°C
(45°F)		12°C
(53°F)		15°C
(59°F)		15°C
(59°F)		15°C
(59°F)		14°C
(57°F)		9°C
(49°F)		5°C
(42°F)		1°C
(33°F)
Minimum-0°C
(31°F)		-0°C
(32°F)		2°C
(37°F)		4°C
(40°F)		7°C
(46°F)		14°C
(57°F)		13°C
(56°F)		14°C
(58°F)		11°C
(52°F)		8°C
(47°F)		4°C
(39°F)		-2°C
(30°F)

Compare climate in Longchuan with other places

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

Monthly average precipitation in Longchuan, China

Longchuan usually has the most precipitation in June, July and August, with an average of 23 rainy days and 222 mm (8.7 inches) of precipitation per month. The driest months in Longchuan are February, March and December. On average, 15 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Longchuan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)27 (1.1)13 (0.5)16 (0.6)48 (1.9)50 (2.0)153 (6.0)267 (10.5)244 (9.6)140 (5.5)78 (3.1)27 (1.1)14 (0.6)
Average precipitation days (≥ 1 mm)34366182625221453

Monthly sunshine hours in Longchuan, China

The sunniest months in Longchuan are March, April and May, when the sun shines an average of 10 hours 31 minutes a day. Least sunny months in Longchuan: January, July and October receive an average of 8 hours 16 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Longchuan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours239278333304330295267291273262283292
Mean daily daylight hours10h 44m11h 17m12h 0m12h 44m13h 21m13h 39m13h 30m12h 58m12h 16m11h 32m10h 54m10h 35m

Solar UV radiation in Longchuan, China

Longchuan experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 15 - 16, 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 9. For more detailed information, check out our hourly Longchuan UV Index data.

Average daily maximum UV levels by month for Longchuan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)89121314151615131297