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Monthly climate in Gongju, South Korea

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Gongju features a humid continental climate (Dfa). Temperatures typically range between -1 °C (31 °F) and 27 °C (81 °F) through the year, but rarely can drop to -18 °C (-1 °F) or can rise to as high as 40 °C (105 °F). The average annual precipitation amounts to about 1110 mm (43.7 inches) and receives 90 rainy days on the 1 mm (0.04 inches) threshold annually. Gongju enjoys an average of 3153 hours of sunshine throughout the year, and daylight varies from 9 hours 42 minutes to 14 hours 35 minutes per day.

Monthly average temperatures in Gongju, South Korea

The warmest months in Gongju are June, July and August, with daily mean temperatures ranging from 23 to 27 °C (74 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to 1 °C (31 - 34 °F) throughout the day. On average each year, Gongju experiences 108 days above 25 °C (77.0 °F) and 87 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Gongju. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum15°C
(58°F)		21°C
(69°F)		23°C
(74°F)		29°C
(85°F)		32°C
(90°F)		36°C
(96°F)		38°C
(100°F)		40°C
(105°F)		31°C
(88°F)		30°C
(86°F)		21°C
(71°F)		15°C
(60°F)
Mean maximum11°C
(53°F)		15°C
(59°F)		21°C
(70°F)		28°C
(83°F)		31°C
(88°F)		33°C
(92°F)		35°C
(94°F)		36°C
(97°F)		30°C
(86°F)		27°C
(81°F)		21°C
(69°F)		13°C
(56°F)
Average high4°C
(40°F)		6°C
(44°F)		14°C
(57°F)		19°C
(67°F)		25°C
(77°F)		29°C
(84°F)		30°C
(86°F)		31°C
(88°F)		26°C
(79°F)		20°C
(69°F)		14°C
(57°F)		6°C
(43°F)
Daily mean-1°C
(31°F)		1°C
(34°F)		8°C
(46°F)		13°C
(56°F)		19°C
(66°F)		23°C
(74°F)		26°C
(79°F)		27°C
(81°F)		21°C
(71°F)		15°C
(59°F)		8°C
(46°F)		1°C
(34°F)
Average low-5°C
(23°F)		-4°C
(26°F)		2°C
(36°F)		7°C
(45°F)		13°C
(55°F)		18°C
(65°F)		23°C
(73°F)		23°C
(75°F)		17°C
(63°F)		10°C
(50°F)		3°C
(37°F)		-3°C
(27°F)
Mean minimum-13°C
(10°F)		-10°C
(15°F)		-4°C
(26°F)		-0°C
(32°F)		6°C
(44°F)		14°C
(57°F)		19°C
(67°F)		19°C
(66°F)		11°C
(52°F)		2°C
(36°F)		-3°C
(26°F)		-10°C
(14°F)
Minimum-18°C
(-1°F)		-13°C
(10°F)		-5°C
(22°F)		-3°C
(28°F)		3°C
(38°F)		12°C
(54°F)		18°C
(65°F)		16°C
(61°F)		8°C
(47°F)		1°C
(34°F)		-4°C
(25°F)		-12°C
(10°F)

Compare climate in Gongju with other places

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

Monthly average precipitation in Gongju, South Korea

Gongju usually has the most precipitation in July, August and September, with an average of 13 rainy days and 207 mm (8.1 inches) of precipitation per month. The driest months in Gongju are January, February and December. On average, 26 mm (1.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Gongju. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)22 (0.9)31 (1.2)62 (2.4)68 (2.7)82 (3.2)88 (3.5)235 (9.2)228 (9.0)158 (6.2)69 (2.7)41 (1.6)26 (1.0)
Average precipitation days (≥ 1 mm)34669815169554

Monthly sunshine hours in Gongju, South Korea

The sunniest months in Gongju are April, May and June, when the sun shines an average of 9 hours 56 minutes a day. Least sunny months in Gongju: January, November and December receive an average of 7 hours 7 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Gongju. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours193238278284309310277283250264229232
Mean daily daylight hours9h 57m10h 50m11h 57m13h 7m14h 6m14h 35m14h 20m13h 29m12h 22m11h 13m10h 13m9h 42m

Solar UV radiation in Gongju, South Korea

Gongju 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 Gongju UV Index data.

Average daily maximum UV levels by month for Gongju. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)3479911111110753