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Monthly climate in Jumunjin, South Korea

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Jumunjin features a humid continental climate (Dfb). Temperatures typically range between 0 °C (31 °F) and 25 °C (77 °F) through the year, but rarely can drop to -17 °C (3 °F) or can rise to as high as 35 °C (96 °F). The average annual precipitation amounts to about 1215 mm (47.9 inches) and receives 105 rainy days on the 1 mm (0.04 inches) threshold annually. Jumunjin enjoys an average of 3188 hours of sunshine throughout the year, and daylight varies from 9 hours 34 minutes to 14 hours 43 minutes per day.

Monthly average temperatures in Jumunjin, South Korea

The warmest months in Jumunjin are June, July and August, with daily mean temperatures ranging from 21 to 25 °C (69 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 0 to 1 °C (31 - 35 °F) throughout the day. On average each year, Jumunjin experiences 55 days above 25 °C (77.0 °F) and 69 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Jumunjin. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum10°C
(51°F)		15°C
(59°F)		21°C
(70°F)		27°C
(80°F)		32°C
(90°F)		30°C
(86°F)		34°C
(94°F)		35°C
(96°F)		29°C
(84°F)		27°C
(81°F)		21°C
(70°F)		14°C
(58°F)
Mean maximum9°C
(49°F)		12°C
(54°F)		18°C
(65°F)		23°C
(74°F)		28°C
(83°F)		27°C
(81°F)		31°C
(89°F)		32°C
(90°F)		27°C
(82°F)		24°C
(76°F)		19°C
(67°F)		12°C
(53°F)
Average high4°C
(39°F)		5°C
(42°F)		11°C
(52°F)		16°C
(61°F)		21°C
(70°F)		23°C
(75°F)		26°C
(80°F)		27°C
(81°F)		23°C
(74°F)		18°C
(65°F)		13°C
(55°F)		5°C
(42°F)
Daily mean-0°C
(31°F)		1°C
(34°F)		7°C
(45°F)		12°C
(54°F)		17°C
(63°F)		21°C
(69°F)		24°C
(75°F)		25°C
(77°F)		20°C
(68°F)		14°C
(58°F)		8°C
(47°F)		1°C
(35°F)
Average low-4°C
(25°F)		-3°C
(27°F)		3°C
(37°F)		8°C
(46°F)		13°C
(56°F)		17°C
(63°F)		22°C
(71°F)		22°C
(73°F)		17°C
(63°F)		11°C
(52°F)		5°C
(41°F)		-2°C
(28°F)
Mean minimum-12°C
(11°F)		-10°C
(14°F)		-4°C
(26°F)		2°C
(36°F)		8°C
(46°F)		14°C
(57°F)		18°C
(64°F)		19°C
(66°F)		12°C
(54°F)		4°C
(40°F)		-2°C
(29°F)		-11°C
(12°F)
Minimum-16°C
(3°F)		-13°C
(10°F)		-9°C
(16°F)		1°C
(33°F)		7°C
(44°F)		12°C
(53°F)		16°C
(61°F)		17°C
(62°F)		11°C
(52°F)		3°C
(37°F)		-4°C
(25°F)		-17°C
(3°F)

Compare climate in Jumunjin with other places

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

Monthly average precipitation in Jumunjin, South Korea

Jumunjin usually has the most precipitation in July, August and September, with an average of 15 rainy days and 211 mm (8.3 inches) of precipitation per month. The driest months in Jumunjin are January, February and December. On average, 30 mm (1.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Jumunjin. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)38 (1.5)29 (1.2)76 (3.0)77 (3.0)87 (3.4)70 (2.7)224 (8.8)220 (8.7)188 (7.4)131 (5.1)51 (2.0)24 (0.9)
Average precipitation days (≥ 1 mm)448799151911973

Monthly sunshine hours in Jumunjin, South Korea

The sunniest months in Jumunjin are May, June and July, when the sun shines an average of 10 hours 4 minutes a day. Least sunny months in Jumunjin: January, February and November 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 Jumunjin. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours194238272291309317300278262251234238
Mean daily daylight hours9h 51m10h 46m11h 57m13h 10m14h 12m14h 43m14h 28m13h 33m12h 23m11h 11m10h 7m9h 34m

Solar UV radiation in Jumunjin, South Korea

Jumunjin 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 Jumunjin UV Index data.

Average daily maximum UV levels by month for Jumunjin. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)346991111119743