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Monthly climate in Yecheon, South Korea

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Yecheon features a humid continental climate (Dwa). Temperatures typically range between -1 °C (30 °F) and 26 °C (78 °F) through the year, but rarely can drop to -17 °C (2 °F) or can rise to as high as 37 °C (98 °F). The average annual precipitation amounts to about 1141 mm (44.9 inches) and receives 85 rainy days on the 1 mm (0.04 inches) threshold annually. Yecheon enjoys an average of 3143 hours of sunshine throughout the year, and daylight varies from 9 hours 41 minutes to 14 hours 36 minutes per day.

Monthly average temperatures in Yecheon, South Korea

The warmest months in Yecheon are June, July and August, with daily mean temperatures ranging from 22 to 26 °C (72 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to 1 °C (30 - 34 °F) throughout the day. On average each year, Yecheon experiences 92 days above 25 °C (77.0 °F) and 93 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Yecheon. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum12°C
(53°F)		21°C
(71°F)		22°C
(73°F)		29°C
(85°F)		32°C
(89°F)		35°C
(95°F)		36°C
(97°F)		37°C
(98°F)		29°C
(84°F)		28°C
(83°F)		21°C
(71°F)		13°C
(56°F)
Mean maximum10°C
(51°F)		15°C
(59°F)		21°C
(69°F)		26°C
(79°F)		30°C
(87°F)		32°C
(89°F)		33°C
(92°F)		35°C
(95°F)		28°C
(83°F)		26°C
(80°F)		20°C
(68°F)		12°C
(53°F)
Average high4°C
(39°F)		6°C
(43°F)		13°C
(56°F)		18°C
(65°F)		24°C
(75°F)		27°C
(81°F)		29°C
(84°F)		30°C
(85°F)		25°C
(76°F)		20°C
(68°F)		13°C
(56°F)		5°C
(42°F)
Daily mean-1°C
(30°F)		1°C
(34°F)		7°C
(45°F)		12°C
(55°F)		18°C
(64°F)		22°C
(72°F)		25°C
(77°F)		26°C
(78°F)		20°C
(69°F)		14°C
(58°F)		7°C
(45°F)		0°C
(33°F)
Average low-6°C
(22°F)		-4°C
(25°F)		2°C
(35°F)		6°C
(43°F)		12°C
(54°F)		17°C
(63°F)		22°C
(71°F)		22°C
(72°F)		16°C
(61°F)		9°C
(49°F)		2°C
(36°F)		-4°C
(25°F)
Mean minimum-13°C
(9°F)		-11°C
(13°F)		-4°C
(24°F)		-1°C
(31°F)		6°C
(43°F)		13°C
(55°F)		17°C
(63°F)		17°C
(64°F)		10°C
(50°F)		2°C
(35°F)		-4°C
(25°F)		-12°C
(11°F)
Minimum-17°C
(2°F)		-16°C
(3°F)		-6°C
(21°F)		-3°C
(27°F)		4°C
(40°F)		11°C
(52°F)		16°C
(61°F)		14°C
(58°F)		8°C
(46°F)		1°C
(33°F)		-5°C
(23°F)		-15°C
(6°F)

Compare climate in Yecheon with other places

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

Monthly average precipitation in Yecheon, South Korea

Yecheon usually has the most precipitation in July, August and September, with an average of 13 rainy days and 213 mm (8.4 inches) of precipitation per month. The driest months in Yecheon 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 Yecheon. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)19 (0.8)28 (1.1)71 (2.8)77 (3.0)90 (3.6)86 (3.4)241 (9.5)233 (9.2)166 (6.5)77 (3.0)33 (1.3)19 (0.8)
Average precipitation days (≥ 1 mm)33668715169543

Monthly sunshine hours in Yecheon, South Korea

The sunniest months in Yecheon are April, May and June, when the sun shines an average of 9 hours 53 minutes a day. Least sunny months in Yecheon: January, February and November receive an average of 7 hours 28 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Yecheon. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours198239272283304311277272249257235241
Mean daily daylight hours9h 56m10h 49m11h 57m13h 7m14h 6m14h 36m14h 21m13h 30m12h 23m11h 13m10h 12m9h 41m

Solar UV radiation in Yecheon, South Korea

Yecheon 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 4. For more detailed information, check out our hourly Yecheon UV Index data.

Average daily maximum UV levels by month for Yecheon. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)34791011111210753