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Monthly climate in Geumseong, South Korea

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Geumseong features a humid continental climate (Dwa). Temperatures typically range between 1 °C (34 °F) and 27 °C (80 °F) through the year, but rarely can drop to -13 °C (9 °F) or can rise to as high as 35 °C (95 °F). The average annual precipitation amounts to about 1539 mm (60.6 inches) and receives 96 rainy days on the 1 mm (0.04 inches) threshold annually. Geumseong enjoys an average of 3053 hours of sunshine throughout the year, and daylight varies from 9 hours 49 minutes to 14 hours 27 minutes per day.

Monthly average temperatures in Geumseong, South Korea

The warmest months in Geumseong are June, July and August, with daily mean temperatures ranging from 22 to 27 °C (72 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 3 °C (34 - 38 °F) throughout the day. On average each year, Geumseong experiences 85 days above 25 °C (77.0 °F) and 65 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Geumseong. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum15°C
(58°F)		21°C
(70°F)		23°C
(75°F)		26°C
(78°F)		32°C
(89°F)		31°C
(88°F)		35°C
(95°F)		35°C
(95°F)		31°C
(87°F)		29°C
(84°F)		23°C
(74°F)		16°C
(61°F)
Mean maximum12°C
(54°F)		16°C
(60°F)		21°C
(69°F)		23°C
(74°F)		28°C
(83°F)		30°C
(86°F)		32°C
(90°F)		34°C
(94°F)		30°C
(86°F)		27°C
(81°F)		21°C
(70°F)		14°C
(57°F)
Average high6°C
(44°F)		8°C
(47°F)		14°C
(57°F)		18°C
(65°F)		23°C
(73°F)		25°C
(78°F)		28°C
(83°F)		30°C
(86°F)		25°C
(78°F)		21°C
(70°F)		15°C
(60°F)		8°C
(47°F)
Daily mean1°C
(34°F)		3°C
(38°F)		9°C
(48°F)		14°C
(57°F)		18°C
(65°F)		22°C
(72°F)		25°C
(78°F)		27°C
(80°F)		22°C
(72°F)		16°C
(62°F)		10°C
(50°F)		3°C
(37°F)
Average low-3°C
(27°F)		-1°C
(30°F)		4°C
(40°F)		9°C
(49°F)		14°C
(58°F)		19°C
(66°F)		23°C
(74°F)		24°C
(76°F)		19°C
(66°F)		12°C
(55°F)		5°C
(42°F)		-1°C
(30°F)
Mean minimum-9°C
(15°F)		-8°C
(18°F)		-1°C
(30°F)		3°C
(38°F)		8°C
(48°F)		15°C
(59°F)		20°C
(68°F)		21°C
(69°F)		14°C
(57°F)		5°C
(42°F)		-0°C
(32°F)		-8°C
(19°F)
Minimum-13°C
(9°F)		-12°C
(11°F)		-2°C
(29°F)		1°C
(34°F)		7°C
(45°F)		14°C
(57°F)		18°C
(65°F)		19°C
(66°F)		12°C
(54°F)		4°C
(39°F)		-2°C
(29°F)		-10°C
(14°F)

Compare climate in Geumseong with other places

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

Monthly average precipitation in Geumseong, South Korea

Geumseong usually has the most precipitation in July, August and September, with an average of 15 rainy days and 265 mm (10.4 inches) of precipitation per month. The driest months in Geumseong are January, November and December. On average, 28 mm (1.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Geumseong. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)31 (1.2)37 (1.4)89 (3.5)95 (3.7)134 (5.3)191 (7.5)302 (11.9)236 (9.3)256 (10.1)117 (4.6)30 (1.2)22 (0.9)
Average precipitation days (≥ 1 mm)3467810161713633

Monthly sunshine hours in Geumseong, South Korea

The sunniest months in Geumseong are May, June and August, when the sun shines an average of 9 hours 21 minutes a day. Least sunny months in Geumseong: January, September and December receive an average of 7 hours 15 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Geumseong. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours194237269273296288247276236260237235
Mean daily daylight hours10h 4m10h 54m11h 58m13h 4m14h 0m14h 27m14h 13m13h 25m12h 22m11h 16m10h 19m9h 49m

Solar UV radiation in Geumseong, South Korea

Geumseong 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 5. For more detailed information, check out our hourly Geumseong UV Index data.

Average daily maximum UV levels by month for Geumseong. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)457101011121210753