Gunpo, South Korea

Full City Profile

286,485 Population 20,405/sq mi density

138 ft Elevation 42 meters

53°F Avg Temperature 12°C

Gunpo 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	138 ft (42 m)
Area	14.0 sq mi (36.4 km²)
Population Density	20,405/sq mi
Coordinates	37.3675°N, 126.9469°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

3 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	137 km
Jan 8, 2023	South Korea	M3.6	77 km
Jan 29, 2020	21 km WNW of Mungyeong, South Korea	M3.5	120 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	195 km
2020	Maysak	Category 1	210 km
2020	Haishen	Category 1	195 km
2019	Lingling	Category 2	165 km
2012	Sanba	Category 1	276 km
2010	Kompasu	Category 2	75 km
2003	Maemi	Category 2	245 km
2000	Prapiroon	Category 1	164 km
1999	Olga	Category 1	256 km
1995	Faye	Category 2	168 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	—	—	104 km

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

Nearby Volcanoes

1 volcano within 200 km. Closest: Ch'uga-ryong (112 km).

Name	Type	Elevation	Last Eruption	Distance
Ch'uga-ryong	Shield	452 m (1,483 ft)	Unknown	112 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

Gunpo 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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