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Monthly climate in Namyangju, South Korea

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Namyangju features a humid continental climate (Dwa). Temperatures typically range between -3 °C (26 °F) and 25 °C (78 °F) through the year, but rarely can drop to -20 °C (-3 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 1208 mm (47.6 inches) and receives 97 rainy days on the 1 mm (0.04 inches) threshold annually. Namyangju enjoys an average of 3145 hours of sunshine throughout the year, and daylight varies from 9 hours 35 minutes to 14 hours 42 minutes per day.

Monthly average temperatures in Namyangju, South Korea

The warmest months in Namyangju are June, July and August, 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 -3 to -1 °C (26 - 30 °F) throughout the day. On average each year, Namyangju experiences 86 days above 25 °C (77.0 °F) and 103 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Namyangju. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum12°C
(53°F)		17°C
(62°F)		20°C
(68°F)		27°C
(80°F)		31°C
(88°F)		34°C
(94°F)		35°C
(95°F)		37°C
(99°F)		29°C
(85°F)		27°C
(82°F)		20°C
(67°F)		11°C
(52°F)
Mean maximum9°C
(48°F)		12°C
(53°F)		18°C
(65°F)		25°C
(77°F)		29°C
(84°F)		30°C
(87°F)		33°C
(92°F)		34°C
(93°F)		28°C
(83°F)		25°C
(78°F)		19°C
(66°F)		10°C
(50°F)
Average high2°C
(35°F)		4°C
(40°F)		11°C
(53°F)		17°C
(63°F)		22°C
(73°F)		26°C
(80°F)		29°C
(84°F)		29°C
(84°F)		25°C
(77°F)		19°C
(66°F)		11°C
(53°F)		3°C
(38°F)
Daily mean-3°C
(26°F)		-1°C
(30°F)		6°C
(43°F)		11°C
(53°F)		17°C
(63°F)		21°C
(71°F)		25°C
(77°F)		25°C
(78°F)		20°C
(69°F)		13°C
(56°F)		6°C
(43°F)		-1°C
(30°F)
Average low-8°C
(19°F)		-6°C
(22°F)		1°C
(34°F)		6°C
(43°F)		11°C
(53°F)		17°C
(63°F)		22°C
(71°F)		22°C
(72°F)		16°C
(61°F)		8°C
(47°F)		1°C
(34°F)		-6°C
(22°F)
Mean minimum-16°C
(4°F)		-14°C
(8°F)		-5°C
(23°F)		-1°C
(30°F)		5°C
(42°F)		12°C
(55°F)		18°C
(64°F)		17°C
(64°F)		9°C
(49°F)		-0°C
(32°F)		-6°C
(22°F)		-15°C
(6°F)
Minimum-20°C
(-3°F)		-17°C
(2°F)		-8°C
(19°F)		-3°C
(28°F)		3°C
(38°F)		12°C
(53°F)		16°C
(60°F)		14°C
(58°F)		7°C
(45°F)		-2°C
(28°F)		-8°C
(18°F)		-16°C
(3°F)

Compare climate in Namyangju with other places

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

Monthly average precipitation in Namyangju, South Korea

Namyangju usually has the most precipitation in July, August and September, with an average of 14 rainy days and 227 mm (8.9 inches) of precipitation per month. The driest months in Namyangju are January, February and December. On average, 23 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Namyangju. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)22 (0.9)24 (0.9)53 (2.1)69 (2.7)124 (4.9)92 (3.6)252 (9.9)287 (11.3)142 (5.6)62 (2.5)58 (2.3)23 (0.9)
Average precipitation days (≥ 1 mm)2466101116189654

Monthly sunshine hours in Namyangju, South Korea

The sunniest months in Namyangju are May, June and July, when the sun shines an average of 9 hours 45 minutes a day. Least sunny months in Namyangju: January, November and December receive an average of 7 hours 10 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Namyangju. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours197239276281305310282274256257228233
Mean daily daylight hours9h 51m10h 46m11h 57m13h 10m14h 12m14h 42m14h 27m13h 33m12h 23m11h 11m10h 8m9h 35m

Solar UV radiation in Namyangju, South Korea

Namyangju experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 10 - 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 Namyangju UV Index data.

Average daily maximum UV levels by month for Namyangju. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)346891011119643