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Monthly climate in Sinuiju, North Korea

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sinuiju features a humid continental climate (Dwa). Temperatures typically range between -6 °C (22 °F) and 25 °C (77 °F) through the year, but rarely can drop to -22 °C (-7 °F) or can rise to as high as 37 °C (98 °F). The average annual precipitation amounts to about 856 mm (33.7 inches) and receives 80 rainy days on the 1 mm (0.04 inches) threshold annually. Sinuiju enjoys an average of 3239 hours of sunshine throughout the year, and daylight varies from 9 hours 21 minutes to 14 hours 57 minutes per day.

Monthly average temperatures in Sinuiju, North Korea

The warmest months in Sinuiju are June, July and August, with daily mean temperatures ranging from 20 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 -6 to -3 °C (22 - 27 °F) throughout the day. On average each year, Sinuiju experiences 70 days above 25 °C (77.0 °F) and 113 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sinuiju. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum7°C
(45°F)		12°C
(54°F)		17°C
(63°F)		23°C
(73°F)		26°C
(80°F)		29°C
(85°F)		35°C
(95°F)		37°C
(98°F)		30°C
(87°F)		29°C
(84°F)		20°C
(69°F)		8°C
(46°F)
Mean maximum5°C
(42°F)		9°C
(49°F)		15°C
(59°F)		21°C
(70°F)		25°C
(77°F)		27°C
(81°F)		33°C
(91°F)		33°C
(91°F)		28°C
(83°F)		25°C
(77°F)		18°C
(64°F)		6°C
(44°F)
Average high-1°C
(30°F)		2°C
(35°F)		8°C
(48°F)		15°C
(59°F)		20°C
(68°F)		24°C
(76°F)		28°C
(83°F)		28°C
(83°F)		25°C
(77°F)		18°C
(64°F)		9°C
(49°F)		0°C
(33°F)
Daily mean-6°C
(22°F)		-3°C
(27°F)		4°C
(39°F)		10°C
(51°F)		16°C
(61°F)		20°C
(69°F)		25°C
(77°F)		25°C
(77°F)		20°C
(69°F)		13°C
(55°F)		5°C
(40°F)		-4°C
(25°F)
Average low-10°C
(14°F)		-7°C
(19°F)		-0°C
(32°F)		6°C
(43°F)		12°C
(53°F)		17°C
(63°F)		22°C
(72°F)		22°C
(72°F)		16°C
(62°F)		8°C
(47°F)		1°C
(33°F)		-7°C
(19°F)
Mean minimum-17°C
(2°F)		-15°C
(6°F)		-5°C
(22°F)		-1°C
(31°F)		6°C
(43°F)		13°C
(56°F)		19°C
(66°F)		17°C
(63°F)		10°C
(50°F)		0°C
(33°F)		-7°C
(19°F)		-16°C
(3°F)
Minimum-22°C
(-7°F)		-15°C
(5°F)		-9°C
(17°F)		-3°C
(28°F)		4°C
(40°F)		11°C
(52°F)		17°C
(63°F)		13°C
(56°F)		6°C
(42°F)		-1°C
(31°F)		-9°C
(16°F)		-18°C
(1°F)

Compare climate in Sinuiju with other places

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

Monthly average precipitation in Sinuiju, North Korea

Sinuiju usually has the most precipitation in June, July and August, with an average of 12 rainy days and 152 mm (6.0 inches) of precipitation per month. The driest months in Sinuiju are January, February and December. On average, 13 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sinuiju. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)7 (0.3)18 (0.7)18 (0.7)46 (1.8)94 (3.7)98 (3.9)106 (4.2)253 (10.0)90 (3.6)52 (2.0)60 (2.4)13 (0.5)
Average precipitation days (≥ 1 mm)13358910188753

Monthly sunshine hours in Sinuiju, North Korea

The sunniest months in Sinuiju are May, June and July, when the sun shines an average of 9 hours 57 minutes a day. Least sunny months in Sinuiju: January, November and December receive an average of 7 hours 22 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sinuiju. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours202240282287305298311289280265237238
Mean daily daylight hours9h 39m10h 39m11h 57m13h 16m14h 23m14h 57m14h 40m13h 41m12h 25m11h 6m9h 57m9h 21m

Solar UV radiation in Sinuiju, North Korea

Sinuiju experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 10 - 10, which corresponds to the Very High category of sun exposure. January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Sinuiju UV Index data.

Average daily maximum UV levels by month for Sinuiju. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)346781010108632