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Monthly climate in Gwanin, South Korea

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Gwanin features a humid continental climate (Dwa). Temperatures typically range between -4 °C (25 °F) and 25 °C (76 °F) through the year, but rarely can drop to -26 °C (-14 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 1161 mm (45.7 inches) and receives 97 rainy days on the 1 mm (0.04 inches) threshold annually. Gwanin enjoys an average of 3160 hours of sunshine throughout the year, and daylight varies from 9 hours 32 minutes to 14 hours 45 minutes per day.

Monthly average temperatures in Gwanin, South Korea

The warmest months in Gwanin are June, July and August, with daily mean temperatures ranging from 21 to 25 °C (70 - 76 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -4 to -2 °C (25 - 29 °F) throughout the day. On average each year, Gwanin experiences 82 days above 25 °C (77.0 °F) and 112 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Gwanin. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum11°C
(52°F)		16°C
(61°F)		21°C
(69°F)		27°C
(80°F)		31°C
(88°F)		33°C
(92°F)		35°C
(95°F)		37°C
(99°F)		28°C
(83°F)		27°C
(82°F)		20°C
(68°F)		11°C
(51°F)
Mean maximum8°C
(46°F)		11°C
(53°F)		18°C
(65°F)		25°C
(76°F)		28°C
(83°F)		30°C
(87°F)		33°C
(92°F)		34°C
(93°F)		28°C
(83°F)		25°C
(77°F)		18°C
(65°F)		9°C
(48°F)
Average high1°C
(34°F)		4°C
(39°F)		11°C
(52°F)		17°C
(62°F)		22°C
(72°F)		26°C
(79°F)		28°C
(83°F)		28°C
(83°F)		24°C
(76°F)		18°C
(65°F)		11°C
(51°F)		2°C
(36°F)
Daily mean-4°C
(25°F)		-2°C
(29°F)		5°C
(42°F)		11°C
(52°F)		16°C
(62°F)		21°C
(70°F)		24°C
(76°F)		25°C
(76°F)		20°C
(68°F)		13°C
(55°F)		5°C
(42°F)		-2°C
(28°F)
Average low-9°C
(16°F)		-7°C
(20°F)		0°C
(32°F)		5°C
(41°F)		10°C
(51°F)		16°C
(61°F)		21°C
(70°F)		21°C
(71°F)		15°C
(60°F)		8°C
(46°F)		1°C
(33°F)		-6°C
(21°F)
Mean minimum-19°C
(-1°F)		-15°C
(6°F)		-7°C
(20°F)		-2°C
(29°F)		5°C
(41°F)		12°C
(53°F)		17°C
(63°F)		16°C
(61°F)		8°C
(47°F)		-1°C
(30°F)		-6°C
(21°F)		-15°C
(6°F)
Minimum-26°C
(-14°F)		-18°C
(1°F)		-11°C
(13°F)		-4°C
(26°F)		2°C
(36°F)		10°C
(50°F)		15°C
(59°F)		12°C
(54°F)		6°C
(42°F)		-3°C
(28°F)		-8°C
(17°F)		-17°C
(2°F)

Compare climate in Gwanin with other places

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

Monthly average precipitation in Gwanin, South Korea

Gwanin usually has the most precipitation in July, August and September, with an average of 14 rainy days and 213 mm (8.4 inches) of precipitation per month. The driest months in Gwanin are January, February and December. On average, 22 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Gwanin. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)20 (0.8)24 (0.9)52 (2.0)68 (2.7)122 (4.8)94 (3.7)208 (8.2)284 (11.2)148 (5.8)69 (2.7)50 (2.0)23 (0.9)
Average precipitation days (≥ 1 mm)347791015198654

Monthly sunshine hours in Gwanin, South Korea

The sunniest months in Gwanin are May, June and July, when the sun shines an average of 9 hours 51 minutes a day. Least sunny months in Gwanin: January, November and December receive an average of 7 hours 12 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Gwanin. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours199238280283301313291274262249230233
Mean daily daylight hours9h 49m10h 45m11h 57m13h 11m14h 14m14h 45m14h 29m13h 34m12h 24m11h 10m10h 6m9h 32m

Solar UV radiation in Gwanin, South Korea

Gwanin experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 11 - 11, 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 Gwanin UV Index data.

Average daily maximum UV levels by month for Gwanin. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)346891111119743