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Daejeon, South Korea

Full City Profile

1,470,336 Population 1,531,600/sq mi density
190 ft Elevation 58 meters
54°F Avg Temperature 12°C
Daejeon 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 243 sunny days per year. Annual precipitation totals 51.3 inches. The area receives 3.6 inches of snow annually.

Temperature

28°F Jan (-2°C) 77°F Jul (25°C)
Annual Average53.7°F
1% below US avg
January Average28°F (-2°C)
July Average77°F (25°C)
Sunny Days243 days/yr

Geography

Elevation190 ft (58 m)
Area1.0 sq mi (2.5 km²)
Population Density1,531,600/sq mi
Coordinates36.3491°N, 127.3849°W
TimezoneAsia/Seoul

Precipitation & Snow

Annual Rainfall 51.3"
35% above US avg
Snowfall 3.6"
Wettest Month (Jul) 11.93"
Driest Month (Jan) 1.10"

Air Quality

Earthquake History

2 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.4. Most recent: M4.4 on Jun 11, 2024.

Jun 11, 2024 3 km NW of Puan, South Korea M4.4 90 km
Jan 29, 2020 21 km WNW of Mungyeong, South Korea M3.5 66 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

22 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 3.

Year Name Category Closest
2022 Hinnamnor Category 1 208 km
2020 Bavi Category 2 242 km
2020 Haishen Category 1 169 km
2020 Maysak Category 1 166 km
2019 Lingling Category 2 228 km
2016 Chaba Category 1 226 km
2012 Sanba Category 2 157 km
2010 Kompasu Category 2 156 km
2007 Nari Category 1 206 km
2003 Maemi Category 3 153 km
2003 Soudelor Category 1 265 km
2002 Rusa Category 1 239 km
2000 Saomai Category 1 269 km
2000 Prapiroon Category 1 229 km
1999 Olga Category 1 179 km
1995 Faye Category 2 91 km
1994 Seth Category 1 290 km
1991 Caitlin Category 1 259 km
1987 Dinah Category 1 250 km
1987 Thelma Category 1 240 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 81 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 28°F (-2°C) 1.1 in Coldest, Driest
February 32°F (-0°C) 1.4 in
March 41°F (5°C) 2.1 in
April 54°F (12°C) 3.4 in
May 63°F (17°C) 3.7 in
June 71°F (22°C) 6.1 in
July 77°F (25°C) 11.9 in Wettest
August 77°F (25°C) 10.8 in Warmest
September 68°F (20°C) 5.8 in
October 56°F (14°C) 2.0 in
November 44°F (7°C) 1.9 in
December 33°F (0°C) 1.1 in

Daejeon has a seasonal temperature swing of 49°F / from 28°F in January to 77°F in August. Total annual precipitation is 51.3 inches, with July being the wettest month (11.9") and January the driest (1.1").

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