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Monthly climate in Ongjin, North Korea

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ongjin features a humid continental climate (Dwa). Temperatures typically range between -1 °C (31 °F) and 25 °C (78 °F) through the year, but rarely can drop to -14 °C (8 °F) or can rise to as high as 32 °C (90 °F). The average annual precipitation amounts to about 863 mm (34.0 inches) and receives 80 rainy days on the 1 mm (0.04 inches) threshold annually. Ongjin enjoys an average of 3277 hours of sunshine throughout the year, and daylight varies from 9 hours 34 minutes to 14 hours 44 minutes per day.

Monthly average temperatures in Ongjin, North Korea

The warmest months in Ongjin are July, August and September, with daily mean temperatures ranging from 21 to 25 °C (71 - 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 (31 - 35 °F) throughout the day. On average each year, Ongjin experiences 44 days above 25 °C (77.0 °F) and 66 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ongjin. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum8°C
(47°F)		10°C
(51°F)		14°C
(57°F)		19°C
(66°F)		22°C
(72°F)		26°C
(79°F)		31°C
(87°F)		32°C
(90°F)		27°C
(82°F)		25°C
(78°F)		19°C
(66°F)		12°C
(55°F)
Mean maximum7°C
(44°F)		8°C
(46°F)		12°C
(54°F)		17°C
(63°F)		21°C
(70°F)		24°C
(76°F)		29°C
(85°F)		30°C
(87°F)		27°C
(81°F)		23°C
(74°F)		17°C
(63°F)		10°C
(50°F)
Average high2°C
(35°F)		3°C
(37°F)		8°C
(46°F)		13°C
(55°F)		17°C
(63°F)		21°C
(71°F)		26°C
(79°F)		27°C
(81°F)		24°C
(75°F)		18°C
(65°F)		11°C
(53°F)		4°C
(40°F)
Daily mean-1°C
(31°F)		0°C
(32°F)		5°C
(42°F)		10°C
(51°F)		15°C
(59°F)		19°C
(67°F)		24°C
(75°F)		25°C
(78°F)		21°C
(71°F)		15°C
(60°F)		9°C
(48°F)		1°C
(35°F)
Average low-3°C
(26°F)		-2°C
(28°F)		3°C
(37°F)		8°C
(46°F)		13°C
(55°F)		17°C
(64°F)		22°C
(72°F)		24°C
(75°F)		19°C
(67°F)		13°C
(55°F)		6°C
(43°F)		-1°C
(30°F)
Mean minimum-9°C
(15°F)		-8°C
(17°F)		-1°C
(30°F)		3°C
(38°F)		9°C
(48°F)		14°C
(58°F)		19°C
(67°F)		20°C
(69°F)		15°C
(59°F)		6°C
(44°F)		-1°C
(31°F)		-8°C
(17°F)
Minimum-14°C
(8°F)		-10°C
(14°F)		-5°C
(24°F)		1°C
(35°F)		7°C
(46°F)		14°C
(57°F)		18°C
(65°F)		18°C
(64°F)		14°C
(57°F)		5°C
(41°F)		-3°C
(27°F)		-10°C
(14°F)

Compare climate in Ongjin with other places

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

Monthly average precipitation in Ongjin, North Korea

Ongjin usually has the most precipitation in July, August and September, with an average of 10 rainy days and 152 mm (6.0 inches) of precipitation per month. The driest months in Ongjin are January, February and October. On average, 22 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ongjin. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)19 (0.8)19 (0.7)32 (1.3)54 (2.1)91 (3.6)88 (3.5)134 (5.3)206 (8.1)115 (4.5)29 (1.1)46 (1.8)29 (1.2)
Average precipitation days (≥ 1 mm)54367711137467

Monthly sunshine hours in Ongjin, North Korea

The sunniest months in Ongjin are May, June and July, when the sun shines an average of 10 hours 25 minutes a day. Least sunny months in Ongjin: January, November and December receive an average of 7 hours 2 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ongjin. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours189240287293322318318304280264229229
Mean daily daylight hours9h 50m10h 46m11h 57m13h 10m14h 13m14h 44m14h 28m13h 34m12h 23m11h 11m10h 7m9h 34m

Solar UV radiation in Ongjin, North Korea

Ongjin experiences the highest level of ultraviolet (UV) radiation in July, August and September, when the maximum UV index can reach values of 9 - 11, which corresponds to the Very High / 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 Ongjin UV Index data.

Average daily maximum UV levels by month for Ongjin. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)34689911119643