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Monthly climate in Ilgwang, South Korea

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ilgwang features a humid subtropical climate (Cfa). Temperatures typically range between 5 °C (40 °F) and 27 °C (80 °F) through the year, but rarely can drop to -9 °C (17 °F) or can rise to as high as 32 °C (90 °F). The average annual precipitation amounts to about 1420 mm (55.9 inches) and receives 92 rainy days on the 1 mm (0.04 inches) threshold annually. Ilgwang enjoys an average of 3165 hours of sunshine throughout the year, and daylight varies from 9 hours 48 minutes to 14 hours 28 minutes per day.

Monthly average temperatures in Ilgwang, South Korea

The warmest months in Ilgwang are July, August and September, with daily mean temperatures ranging from 23 to 27 °C (74 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 6 °C (40 - 43 °F) throughout the day. On average each year, Ilgwang experiences 54 days above 25 °C (77.0 °F) and 21 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ilgwang. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum17°C
(63°F)		17°C
(63°F)		18°C
(64°F)		21°C
(70°F)		25°C
(77°F)		27°C
(81°F)		31°C
(87°F)		32°C
(90°F)		29°C
(84°F)		26°C
(80°F)		21°C
(70°F)		18°C
(65°F)
Mean maximum13°C
(56°F)		14°C
(58°F)		17°C
(63°F)		19°C
(67°F)		23°C
(74°F)		25°C
(78°F)		29°C
(84°F)		31°C
(88°F)		28°C
(82°F)		25°C
(77°F)		20°C
(69°F)		15°C
(60°F)
Average high7°C
(46°F)		9°C
(48°F)		13°C
(55°F)		16°C
(61°F)		19°C
(67°F)		22°C
(72°F)		26°C
(79°F)		28°C
(83°F)		24°C
(76°F)		20°C
(69°F)		15°C
(60°F)		9°C
(48°F)
Daily mean5°C
(40°F)		6°C
(43°F)		10°C
(51°F)		13°C
(56°F)		17°C
(63°F)		21°C
(69°F)		24°C
(76°F)		27°C
(80°F)		23°C
(74°F)		18°C
(65°F)		13°C
(55°F)		6°C
(43°F)
Average low2°C
(36°F)		3°C
(37°F)		7°C
(46°F)		11°C
(52°F)		15°C
(59°F)		19°C
(66°F)		23°C
(74°F)		25°C
(78°F)		21°C
(71°F)		16°C
(62°F)		10°C
(50°F)		3°C
(39°F)
Mean minimum-5°C
(24°F)		-4°C
(26°F)		2°C
(35°F)		6°C
(43°F)		11°C
(52°F)		16°C
(62°F)		20°C
(68°F)		23°C
(73°F)		18°C
(64°F)		9°C
(49°F)		3°C
(38°F)		-4°C
(26°F)
Minimum-9°C
(17°F)		-6°C
(21°F)		-0°C
(32°F)		4°C
(40°F)		10°C
(49°F)		15°C
(60°F)		19°C
(66°F)		22°C
(72°F)		16°C
(61°F)		8°C
(47°F)		2°C
(35°F)		-6°C
(22°F)

Compare climate in Ilgwang with other places

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

Monthly average precipitation in Ilgwang, South Korea

Ilgwang usually has the most precipitation in July, August and September, with an average of 12 rainy days and 228 mm (9.0 inches) of precipitation per month. The driest months in Ilgwang are January, November and December. On average, 32 mm (1.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ilgwang. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)39 (1.5)52 (2.0)102 (4.0)117 (4.6)108 (4.2)164 (6.5)262 (10.3)171 (6.7)251 (9.9)99 (3.9)29 (1.1)27 (1.1)
Average precipitation days (≥ 1 mm)458789131312634

Monthly sunshine hours in Ilgwang, South Korea

The sunniest months in Ilgwang are May, June and August, when the sun shines an average of 9 hours 50 minutes a day. Least sunny months in Ilgwang: January, February and November receive an average of 7 hours 30 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ilgwang. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours196240269283303300282301247257239243
Mean daily daylight hours10h 3m10h 53m11h 58m13h 4m14h 0m14h 28m14h 14m13h 25m12h 22m11h 16m10h 18m9h 48m

Solar UV radiation in Ilgwang, South Korea

Ilgwang experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 11 - 12, 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 5. For more detailed information, check out our hourly Ilgwang UV Index data.

Average daily maximum UV levels by month for Ilgwang. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)357101011121210753