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Monthly climate in Kosong, South Korea

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Kosong features a humid continental climate (Dfb). Temperatures typically range between 0 °C (33 °F) and 25 °C (78 °F) through the year, but rarely can drop to -15 °C (5 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 1272 mm (50.1 inches) and receives 99 rainy days on the 1 mm (0.04 inches) threshold annually. Kosong enjoys an average of 3225 hours of sunshine throughout the year, and daylight varies from 9 hours 31 minutes to 14 hours 46 minutes per day.

Monthly average temperatures in Kosong, South Korea

The warmest months in Kosong are July, August and September, with daily mean temperatures ranging from 21 to 25 °C (69 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 0 to 2 °C (33 - 36 °F) throughout the day. On average each year, Kosong experiences 53 days above 25 °C (77.0 °F) and 56 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Kosong. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum10°C
(51°F)		14°C
(57°F)		20°C
(68°F)		26°C
(78°F)		29°C
(85°F)		30°C
(86°F)		34°C
(93°F)		36°C
(97°F)		28°C
(83°F)		26°C
(79°F)		21°C
(70°F)		13°C
(55°F)
Mean maximum9°C
(49°F)		12°C
(54°F)		17°C
(63°F)		23°C
(73°F)		28°C
(82°F)		27°C
(81°F)		31°C
(89°F)		32°C
(90°F)		27°C
(81°F)		24°C
(76°F)		19°C
(67°F)		11°C
(53°F)
Average high4°C
(39°F)		5°C
(42°F)		11°C
(51°F)		15°C
(60°F)		20°C
(69°F)		23°C
(74°F)		26°C
(80°F)		27°C
(81°F)		23°C
(74°F)		18°C
(65°F)		13°C
(55°F)		6°C
(43°F)
Daily mean0°C
(33°F)		2°C
(35°F)		7°C
(45°F)		12°C
(54°F)		17°C
(63°F)		21°C
(69°F)		24°C
(76°F)		25°C
(78°F)		21°C
(69°F)		15°C
(59°F)		9°C
(49°F)		2°C
(36°F)
Average low-3°C
(27°F)		-1°C
(30°F)		4°C
(39°F)		8°C
(47°F)		13°C
(56°F)		18°C
(64°F)		22°C
(72°F)		23°C
(74°F)		18°C
(65°F)		12°C
(54°F)		6°C
(43°F)		-1°C
(31°F)
Mean minimum-11°C
(13°F)		-8°C
(17°F)		-2°C
(29°F)		3°C
(38°F)		9°C
(48°F)		15°C
(58°F)		19°C
(66°F)		20°C
(68°F)		14°C
(58°F)		6°C
(42°F)		-1°C
(31°F)		-9°C
(17°F)
Minimum-15°C
(5°F)		-11°C
(13°F)		-6°C
(21°F)		2°C
(36°F)		7°C
(45°F)		13°C
(56°F)		17°C
(63°F)		17°C
(64°F)		13°C
(55°F)		4°C
(39°F)		-2°C
(28°F)		-14°C
(7°F)

Compare climate in Kosong with other places

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

Monthly average precipitation in Kosong, South Korea

Kosong usually has the most precipitation in July, August and September, with an average of 13 rainy days and 222 mm (8.7 inches) of precipitation per month. The driest months in Kosong are January, February and December. On average, 33 mm (1.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kosong. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)38 (1.5)33 (1.3)73 (2.9)71 (2.8)104 (4.1)68 (2.7)220 (8.7)249 (9.8)195 (7.7)125 (4.9)67 (2.6)29 (1.1)
Average precipitation days (≥ 1 mm)44889913179864

Monthly sunshine hours in Kosong, South Korea

The sunniest months in Kosong are May, June and July, when the sun shines an average of 10 hours 13 minutes a day. Least sunny months in Kosong: January, February and November receive an average of 7 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kosong. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours196237277291312322305285271252234237
Mean daily daylight hours9h 48m10h 44m11h 57m13h 12m14h 15m14h 46m14h 30m13h 35m12h 24m11h 10m10h 5m9h 31m

Solar UV radiation in Kosong, South Korea

Kosong 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 Kosong UV Index data.

Average daily maximum UV levels by month for Kosong. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)346991111119643