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Monthly climate in Gyeombaek, South Korea

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Gyeombaek features a humid subtropical climate (Cwa). Temperatures typically range between 2 °C (35 °F) and 27 °C (81 °F) through the year, but rarely can drop to -12 °C (11 °F) or can rise to as high as 35 °C (95 °F). The average annual precipitation amounts to about 1301 mm (51.2 inches) and receives 90 rainy days on the 1 mm (0.04 inches) threshold annually. Gyeombaek enjoys an average of 3211 hours of sunshine throughout the year, and daylight varies from 9 hours 50 minutes to 14 hours 26 minutes per day.

Monthly average temperatures in Gyeombaek, South Korea

The warmest months in Gyeombaek are July, August and September, with daily mean temperatures ranging from 23 to 27 °C (73 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 4 °C (35 - 39 °F) throughout the day. On average each year, Gyeombaek experiences 83 days above 25 °C (77.0 °F) and 51 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Gyeombaek. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum16°C
(61°F)		19°C
(67°F)		22°C
(72°F)		24°C
(76°F)		30°C
(86°F)		31°C
(88°F)		35°C
(94°F)		35°C
(95°F)		30°C
(87°F)		29°C
(84°F)		22°C
(73°F)		17°C
(62°F)
Mean maximum12°C
(54°F)		15°C
(59°F)		19°C
(67°F)		22°C
(73°F)		27°C
(81°F)		29°C
(85°F)		32°C
(90°F)		34°C
(93°F)		30°C
(86°F)		27°C
(80°F)		21°C
(70°F)		14°C
(58°F)
Average high6°C
(43°F)		8°C
(46°F)		13°C
(56°F)		18°C
(64°F)		22°C
(72°F)		25°C
(78°F)		28°C
(83°F)		30°C
(86°F)		26°C
(78°F)		21°C
(70°F)		15°C
(59°F)		8°C
(47°F)
Daily mean2°C
(35°F)		3°C
(38°F)		9°C
(49°F)		14°C
(57°F)		18°C
(66°F)		22°C
(72°F)		26°C
(79°F)		27°C
(81°F)		23°C
(73°F)		17°C
(63°F)		11°C
(51°F)		4°C
(39°F)
Average low-2°C
(29°F)		-0°C
(31°F)		5°C
(42°F)		10°C
(50°F)		15°C
(59°F)		19°C
(67°F)		24°C
(75°F)		25°C
(77°F)		20°C
(68°F)		14°C
(57°F)		7°C
(45°F)		0°C
(33°F)
Mean minimum-8°C
(18°F)		-6°C
(21°F)		-0°C
(32°F)		4°C
(39°F)		10°C
(50°F)		16°C
(61°F)		21°C
(69°F)		22°C
(71°F)		15°C
(59°F)		7°C
(45°F)		2°C
(36°F)		-6°C
(21°F)
Minimum-12°C
(11°F)		-10°C
(15°F)		-2°C
(30°F)		2°C
(37°F)		8°C
(47°F)		15°C
(58°F)		19°C
(66°F)		20°C
(67°F)		14°C
(57°F)		5°C
(41°F)		0°C
(33°F)		-9°C
(17°F)

Compare climate in Gyeombaek with other places

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

Monthly average precipitation in Gyeombaek, South Korea

Gyeombaek usually has the most precipitation in July, August and September, with an average of 14 rainy days and 218 mm (8.6 inches) of precipitation per month. The driest months in Gyeombaek are January, November and December. On average, 26 mm (1.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Gyeombaek. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)29 (1.1)32 (1.3)78 (3.1)77 (3.1)114 (4.5)166 (6.6)249 (9.8)173 (6.8)231 (9.1)103 (4.1)25 (1.0)23 (0.9)
Average precipitation days (≥ 1 mm)347679151513533

Monthly sunshine hours in Gyeombaek, South Korea

The sunniest months in Gyeombaek are May, June and August, when the sun shines an average of 9 hours 58 minutes a day. Least sunny months in Gyeombaek: January, February and December receive an average of 7 hours 24 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Gyeombaek. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours197238274284308304287305261270240237
Mean daily daylight hours10h 5m10h 54m11h 58m13h 3m13h 58m14h 26m14h 12m13h 24m12h 21m11h 16m10h 20m9h 50m

Solar UV radiation in Gyeombaek, South Korea

Gyeombaek 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 Gyeombaek UV Index data.

Average daily maximum UV levels by month for Gyeombaek. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)45791011121210753