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Weather & Climate in Anseong, South Korea
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Anseong experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 25°F in January while summers reach 76°F in July. The area gets 244 sunny days per year, above the national average. Annual precipitation totals 50.8 inches (wetter than the 38-inch national average). The area receives 3.2 inches of snow annually. The city sits at an elevation of 121 feet.
Temperature
25°F Jan (-4°C)
76°F Jul (24°C)
| Annual Average | 52.0°F |
| 4% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 244 days/yr |
Geography
| Elevation | 121 ft (37 m) |
| Area | 214.0 sq mi (554.2 km²) |
| Population Density | 324/sq mi |
| Coordinates | 37.0108°N, 127.2703°W |
| Timezone | Asia/Seoul |
Precipitation & Snow
Air Quality
Earthquake History
5 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Dec 13, 1996 | 20 km W of T’aebaek, South Korea | M4.8 | 133 km | 10 km |
| Jan 20, 2007 | 25 km NNE of Pyeongchang, South Korea | M4.7 | 125 km | 10 km |
| Jun 11, 2024 | 3 km NW of Puan, South Korea | M4.4 | 148 km | 10 km |
| Jan 8, 2023 | South Korea | M3.6 | 124 km | 17 km |
| Jan 29, 2020 | 21 km WNW of Mungyeong, South Korea | M3.5 | 74 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
14 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 2022 | Hinnamnor | Category 1 | 81 mph | 266 km |
| 2020 | Bavi | Category 2 | 92 mph | 219 km |
| 2020 | Maysak | Category 1 | 86 mph | 180 km |
| 2020 | Haishen | Category 1 | 81 mph | 163 km |
| 2019 | Lingling | Category 2 | 75 mph | 208 km |
| 2016 | Chaba | Category 1 | 75 mph | 300 km |
| 2012 | Sanba | Category 1 | 81 mph | 228 km |
| 2010 | Kompasu | Category 2 | 69 mph | 109 km |
| 2007 | Nari | Category 1 | 75 mph | 279 km |
| 2003 | Maemi | Category 2 | 86 mph | 198 km |
| 2000 | Prapiroon | Category 1 | 81 mph | 195 km |
| 1999 | Olga | Category 1 | 63 mph | 231 km |
| 1995 | Faye | Category 2 | 69 mph | 129 km |
| 1987 | Dinah | Category 1 | — | 291 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1700 | YELLOW SEA | Earthquake | — | — | 89 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Ch'uga-ryong (147 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ch'uga-ryong | Shield | 452 m (1,483 ft) | Unknown | 147 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 0.9 in | Coldest, Driest |
| February | 29°F (-2°C) | 1.2 in | |
| March | 39°F (4°C) | 1.9 in | |
| April | 52°F (11°C) | 3.5 in | |
| May | 62°F (17°C) | 3.7 in | |
| June | 70°F (21°C) | 5.4 in | |
| July | 76°F (24°C) | 12.8 in | Wettest |
| August | 76°F (25°C) | 10.4 in | Warmest |
| September | 67°F (19°C) | 5.9 in | |
| October | 55°F (13°C) | 1.9 in | |
| November | 42°F (6°C) | 2.0 in | |
| December | 30°F (-1°C) | 1.1 in |
Anseong has a seasonal temperature swing of 51°F / from 25°F in January to 76°F in August. Total annual precipitation is 50.8 inches, with July being the wettest month (12.8") and January the driest (0.9").