Gwangmyeong, South Korea

Full City Profile

357,545 Population 616,457/sq mi density

98 ft Elevation 30 meters

53°F Avg Temperature 12°C

Gwangmyeong experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 26°F in January while summers reach 76°F in July. The area gets 243 sunny days per year. Annual precipitation totals 51.3 inches. The area receives 3.0 inches of snow annually.

Temperature

26°F Jan (-3°C) 76°F Jul (25°C)

Annual Average	52.7°F
	2% below US avg
January Average	26°F (-3°C)
July Average	76°F (25°C)
Sunny Days	243 days/yr

Geography

Elevation	98 ft (30 m)
Area	0.6 sq mi (1.5 km²)
Population Density	616,457/sq mi
Coordinates	37.4772°N, 126.8664°W
Timezone	Asia/Seoul

Precipitation & Snow

Annual Rainfall 51.3"

35% above US avg

Snowfall 3.0"

Wettest Month (Jul) 12.52"

Driest Month (Jan) 0.91"

Air Quality

Earthquake History

4 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.7. Most recent: M3.6 on Jan 8, 2023.

Jan 20, 2007	25 km NNE of Pyeongchang, South Korea	M4.7	142 km
May 11, 2020	32 km E of Koksan, North Korea	M3.8	142 km
Jan 8, 2023	South Korea	M3.6	65 km
Jan 29, 2020	21 km WNW of Mungyeong, South Korea	M3.5	133 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

10 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 2.

Year	Name	Category	Closest
2020	Bavi	Category 2	191 km
2020	Maysak	Category 1	219 km
2020	Haishen	Category 1	205 km
2019	Lingling	Category 1	154 km
2012	Sanba	Category 1	290 km
2010	Kompasu	Category 2	71 km
2003	Maemi	Category 2	259 km
2000	Prapiroon	Category 1	157 km
1999	Olga	Category 1	265 km
1995	Faye	Category 2	179 km

Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

1 tsunami recorded within 500 km.

Year	Location	Cause	Max Wave	Deaths	Distance
1700	YELLOW SEA	Earthquake	—	—	113 km

Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

1 volcano within 200 km. Closest: Ch'uga-ryong (103 km).

Name	Type	Elevation	Last Eruption	Distance
Ch'uga-ryong	Shield	452 m (1,483 ft)	Unknown	103 km

Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	26°F (-3°C)	0.9 in	Coldest, Driest
February	30°F (-1°C)	1.1 in
March	40°F (5°C)	1.9 in
April	53°F (11°C)	3.3 in
May	62°F (17°C)	3.7 in
June	70°F (21°C)	5.2 in
July	76°F (25°C)	12.5 in	Wettest
August	77°F (25°C)	11.6 in	Warmest
September	68°F (20°C)	5.9 in
October	56°F (13°C)	2.1 in
November	43°F (6°C)	2.1 in
December	31°F (-1°C)	0.9 in

Gwangmyeong has a seasonal temperature swing of 51°F / from 26°F in January to 77°F in August. Total annual precipitation is 51.3 inches, with July being the wettest month (12.5") and January the driest (0.9").

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