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Weather & Climate in Geumseong, South Korea
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Geumseong enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 35°F in January while summers reach 76°F in July. The area gets 281 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 70.3 inches (wetter than the 38-inch national average). The area receives 2.3 inches of snow annually. The city sits at an elevation of 20 feet.
Temperature
35°F Jan (2°C)
76°F Jul (25°C)
| Annual Average | 55.9°F |
| 4% above US avg | |
| January Average | 35°F (2°C) |
| July Average | 76°F (25°C) |
| Sunny Days | 281 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 177.2 sq mi (458.9 km²) |
| Population Density | 0/sq mi |
| Coordinates | 34.9645°N, 127.7903°W |
| Timezone | Asia/Seoul |
Precipitation & Snow
Air Quality
Earthquake History
3 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.9.
| Sep 12, 2016 | 14km SW of Gyeongju, South Korea | M4.9 | 147 km | 10 km |
| Jun 29, 2005 | 80 km SE of Kyosai, South Korea | M4.5 | 148 km | 15 km |
| Jun 11, 2024 | 3 km NW of Puan, South Korea | M4.4 | 132 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
38 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2022 | Hinnamnor | Category 2 | 86 mph | 90 km |
| 2022 | Nanmadol | Category 1 | 81 mph | 299 km |
| 2020 | Haishen | Category 2 | 98 mph | 141 km |
| 2020 | Maysak | Category 2 | 92 mph | 97 km |
| 2019 | Lingling | Category 2 | 81 mph | 265 km |
| 2018 | Kong-rey | Category 1 | 75 mph | 265 km |
| 2018 | Soulik | Category 1 | 81 mph | 296 km |
| 2018 | Prapiroon | Category 1 | 69 mph | 183 km |
| 2016 | Chaba | Category 2 | 81 mph | 69 km |
| 2015 | Goni | Category 3 | 98 mph | 269 km |
| 2013 | Danas | Category 1 | 75 mph | 155 km |
| 2012 | Sanba | Category 2 | 98 mph | 40 km |
| 2010 | Kompasu | Category 3 | 81 mph | 267 km |
| 2007 | Nari | Category 2 | 86 mph | 63 km |
| 2006 | Shanshan | Category 1 | 92 mph | 262 km |
| 2005 | Nabi | Category 2 | 81 mph | 284 km |
| 2004 | Songda | Category 2 | 86 mph | 289 km |
| 2004 | Megi | Category 1 | 75 mph | 207 km |
| 2003 | Maemi | Category 3 | 104 mph | 47 km |
| 2003 | Soudelor | Category 1 | 69 mph | 155 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (2°C) | 1.1 in | Coldest |
| February | 36°F (2°C) | 1.7 in | |
| March | 44°F (7°C) | 2.7 in | |
| April | 55°F (13°C) | 4.8 in | |
| May | 63°F (17°C) | 4.9 in | |
| June | 70°F (21°C) | 8.2 in | |
| July | 76°F (25°C) | 11.0 in | Wettest |
| August | 78°F (26°C) | 10.2 in | Warmest |
| September | 70°F (21°C) | 6.0 in | |
| October | 60°F (15°C) | 2.2 in | |
| November | 48°F (9°C) | 1.8 in | |
| December | 38°F (3°C) | 0.9 in | Driest |
Geumseong has a seasonal temperature swing of 43°F / from 35°F in January to 78°F in August. Total annual precipitation is 55.5 inches, with July being the wettest month (11.0") and December the driest (0.9").