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Monthly climate in Gumi, South Korea

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Gumi features a humid continental climate (Dwa). Temperatures typically range between 0 °C (32 °F) and 27 °C (80 °F) through the year, but rarely can drop to -14 °C (6 °F) or can rise to as high as 38 °C (100 °F). The average annual precipitation amounts to about 1197 mm (47.1 inches) and receives 88 rainy days on the 1 mm (0.04 inches) threshold annually. Gumi enjoys an average of 3127 hours of sunshine throughout the year, and daylight varies from 9 hours 44 minutes to 14 hours 33 minutes per day.

Monthly average temperatures in Gumi, South Korea

The warmest months in Gumi are June, July and August, with daily mean temperatures ranging from 23 to 27 °C (74 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 0 to 2 °C (32 - 36 °F) throughout the day. On average each year, Gumi experiences 105 days above 25 °C (77.0 °F) and 84 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Gumi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum15°C
(59°F)		25°C
(77°F)		25°C
(77°F)		31°C
(88°F)		34°C
(93°F)		36°C
(97°F)		37°C
(98°F)		38°C
(100°F)		31°C
(88°F)		30°C
(86°F)		22°C
(72°F)		16°C
(61°F)
Mean maximum12°C
(54°F)		17°C
(63°F)		23°C
(73°F)		28°C
(84°F)		32°C
(90°F)		34°C
(93°F)		34°C
(93°F)		36°C
(97°F)		29°C
(85°F)		28°C
(82°F)		21°C
(70°F)		13°C
(56°F)
Average high5°C
(42°F)		8°C
(46°F)		14°C
(58°F)		20°C
(68°F)		25°C
(77°F)		29°C
(84°F)		30°C
(85°F)		31°C
(88°F)		25°C
(78°F)		21°C
(69°F)		14°C
(58°F)		7°C
(44°F)
Daily mean-0°C
(32°F)		2°C
(36°F)		8°C
(47°F)		13°C
(56°F)		19°C
(66°F)		23°C
(74°F)		26°C
(78°F)		27°C
(80°F)		21°C
(70°F)		15°C
(59°F)		8°C
(47°F)		1°C
(35°F)
Average low-4°C
(25°F)		-3°C
(27°F)		2°C
(36°F)		7°C
(45°F)		13°C
(55°F)		18°C
(65°F)		22°C
(72°F)		23°C
(74°F)		17°C
(63°F)		10°C
(51°F)		3°C
(38°F)		-3°C
(27°F)
Mean minimum-11°C
(13°F)		-9°C
(16°F)		-3°C
(27°F)		-0°C
(32°F)		6°C
(43°F)		13°C
(56°F)		18°C
(65°F)		19°C
(66°F)		11°C
(53°F)		3°C
(37°F)		-3°C
(27°F)		-10°C
(15°F)
Minimum-14°C
(6°F)		-13°C
(10°F)		-4°C
(25°F)		-1°C
(30°F)		4°C
(40°F)		11°C
(53°F)		17°C
(63°F)		16°C
(61°F)		9°C
(48°F)		0°C
(33°F)		-4°C
(26°F)		-11°C
(12°F)

Compare climate in Gumi with other places

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

Monthly average precipitation in Gumi, South Korea

Gumi usually has the most precipitation in July, August and September, with an average of 14 rainy days and 228 mm (9.0 inches) of precipitation per month. The driest months in Gumi are January, November and December. On average, 21 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Gumi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)23 (0.9)28 (1.1)70 (2.7)65 (2.6)74 (2.9)125 (4.9)258 (10.2)228 (9.0)197 (7.7)88 (3.5)22 (0.8)20 (0.8)
Average precipitation days (≥ 1 mm)347679161610622

Monthly sunshine hours in Gumi, South Korea

The sunniest months in Gumi are May, June and August, when the sun shines an average of 9 hours 37 minutes a day. Least sunny months in Gumi: January, February and November receive an average of 7 hours 30 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Gumi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours198239273280302301263282245259237243
Mean daily daylight hours9h 59m10h 51m11h 57m13h 6m14h 4m14h 33m14h 18m13h 28m12h 22m11h 14m10h 14m9h 44m

Solar UV radiation in Gumi, South Korea

Gumi 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 Gumi UV Index data.

Average daily maximum UV levels by month for Gumi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)35791011121210753