Incheon, South Korea

Full City Profile

3,039,450 Population 2,867,406/sq mi density

141 ft Elevation 43 meters

54°F Avg Temperature 12°C

Incheon experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 28°F in January while summers reach 77°F in July. The area gets 280 sunny days per year. Annual precipitation totals 64.3 inches. The area receives 5.4 inches of snow annually.

Temperature

28°F Jan (-2°C) 77°F Jul (25°C)

Annual Average	54.3°F
	1% above US avg
January Average	28°F (-2°C)
July Average	77°F (25°C)
Sunny Days	280 days/yr

Geography

Elevation	141 ft (43 m)
Area	1.1 sq mi (2.7 km²)
Population Density	2,867,406/sq mi
Coordinates	37.4565°N, 126.7052°W
Timezone	Asia/Seoul

Precipitation & Snow

Annual Rainfall 64.3"

69% above US avg

Snowfall 5.4"

Wettest Month (Jul) 11.26"

Driest Month (Dec) 1.02"

Air Quality

Earthquake History

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

May 11, 2020	32 km E of Koksan, North Korea	M3.8	146 km
Jan 8, 2023	South Korea	M3.6	54 km
Jan 29, 2020	21 km WNW of Mungyeong, South Korea	M3.5	143 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	176 km
2020	Maysak	Category 1	233 km
2020	Haishen	Category 1	218 km
2019	Lingling	Category 1	141 km
2012	Sanba	Category 1	294 km
2010	Kompasu	Category 2	56 km
2003	Maemi	Category 2	268 km
2000	Prapiroon	Category 1	143 km
1999	Olga	Category 1	259 km
1995	Faye	Category 2	191 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	—	—	108 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	28°F (-2°C)	1.1 in	Coldest
February	31°F (-1°C)	1.3 in
March	41°F (5°C)	2.0 in
April	53°F (12°C)	3.2 in
May	63°F (17°C)	3.6 in
June	71°F (22°C)	5.3 in
July	77°F (25°C)	11.3 in	Wettest
August	78°F (25°C)	10.8 in	Warmest
September	69°F (20°C)	5.8 in
October	57°F (14°C)	2.2 in
November	43°F (6°C)	2.1 in
December	31°F (-1°C)	1.0 in	Driest

Incheon has a seasonal temperature swing of 50°F / from 28°F in January to 78°F in August. Total annual precipitation is 49.6 inches, with July being the wettest month (11.3") and December the driest (1.0").

View full weather details →