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Monthly climate in Gangneung, South Korea

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Gangneung features a humid continental climate (Dfb). Temperatures typically range between -3 °C (28 °F) and 23 °C (75 °F) through the year, but rarely can drop to -19 °C (-3 °F) or can rise to as high as 33 °C (93 °F). The average annual precipitation amounts to about 1317 mm (51.8 inches) and receives 113 rainy days on the 1 mm (0.04 inches) threshold annually. Gangneung enjoys an average of 3127 hours of sunshine throughout the year, and daylight varies from 9 hours 35 minutes to 14 hours 43 minutes per day.

Monthly average temperatures in Gangneung, South Korea

The warmest months in Gangneung are June, July and August, with daily mean temperatures ranging from 20 to 23 °C (67 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -3 to -1 °C (28 - 31 °F) throughout the day. On average each year, Gangneung experiences 46 days above 25 °C (77.0 °F) and 96 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Gangneung. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum9°C
(49°F)		16°C
(62°F)		20°C
(69°F)		27°C
(81°F)		30°C
(87°F)		31°C
(87°F)		33°C
(93°F)		33°C
(92°F)		28°C
(83°F)		27°C
(80°F)		19°C
(67°F)		13°C
(55°F)
Mean maximum8°C
(47°F)		11°C
(53°F)		18°C
(64°F)		23°C
(74°F)		28°C
(82°F)		27°C
(82°F)		31°C
(88°F)		31°C
(88°F)		27°C
(80°F)		24°C
(75°F)		18°C
(65°F)		10°C
(51°F)
Average high2°C
(36°F)		4°C
(39°F)		10°C
(50°F)		15°C
(60°F)		20°C
(69°F)		23°C
(74°F)		26°C
(79°F)		26°C
(80°F)		22°C
(71°F)		17°C
(63°F)		11°C
(52°F)		4°C
(39°F)
Daily mean-3°C
(28°F)		-1°C
(31°F)		5°C
(42°F)		11°C
(51°F)		16°C
(61°F)		20°C
(67°F)		23°C
(73°F)		23°C
(75°F)		18°C
(65°F)		12°C
(55°F)		6°C
(44°F)		-1°C
(31°F)
Average low-7°C
(20°F)		-5°C
(23°F)		1°C
(33°F)		6°C
(42°F)		11°C
(53°F)		16°C
(61°F)		20°C
(69°F)		21°C
(70°F)		15°C
(59°F)		8°C
(48°F)		2°C
(36°F)		-5°C
(24°F)
Mean minimum-15°C
(5°F)		-14°C
(8°F)		-7°C
(20°F)		-0°C
(32°F)		5°C
(42°F)		12°C
(54°F)		16°C
(61°F)		17°C
(62°F)		10°C
(50°F)		2°C
(35°F)		-4°C
(25°F)		-14°C
(6°F)
Minimum-19°C
(-2°F)		-17°C
(1°F)		-12°C
(10°F)		-2°C
(29°F)		4°C
(39°F)		9°C
(49°F)		13°C
(57°F)		15°C
(58°F)		8°C
(48°F)		0°C
(33°F)		-7°C
(20°F)		-19°C
(-3°F)

Compare climate in Gangneung with other places

Compare temperature, precipitation, sunshine, UV index in Gangneung, South Korea with other places around the world.

Monthly average precipitation in Gangneung, South Korea

Gangneung usually has the most precipitation in July, August and September, with an average of 16 rainy days and 231 mm (9.1 inches) of precipitation per month. The driest months in Gangneung are January, February and December. On average, 30 mm (1.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Gangneung. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)40 (1.6)28 (1.1)85 (3.4)94 (3.7)90 (3.5)85 (3.3)243 (9.6)246 (9.7)205 (8.1)132 (5.2)47 (1.9)21 (0.8)
Average precipitation days (≥ 1 mm)44998101720131063

Monthly sunshine hours in Gangneung, South Korea

The sunniest months in Gangneung are April, May and June, when the sun shines an average of 9 hours 53 minutes a day. Least sunny months in Gangneung: January, February and November receive an average of 7 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Gangneung. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours195238267285303311284266250248234240
Mean daily daylight hours9h 51m10h 46m11h 57m13h 10m14h 12m14h 43m14h 27m13h 33m12h 23m11h 11m10h 7m9h 35m

Solar UV radiation in Gangneung, South Korea

Gangneung experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 11 - 12, which corresponds to the Extreme category of sun exposure. January, February and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Gangneung UV Index data.

Average daily maximum UV levels by month for Gangneung. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)34691011111210743