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Weather & Climate in Gunseo, South Korea
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Gunseo experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 29°F in January while summers reach 76°F in July. The area gets 271 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 69.3 inches (wetter than the 38-inch national average). The area receives 3.9 inches of snow annually. The city sits at an elevation of 387 feet.
Temperature
29°F Jan (-2°C)
76°F Jul (24°C)
| Annual Average | 52.9°F |
| 2% below US avg | |
| January Average | 29°F (-2°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 271 days/yr |
Geography
| Elevation | 387 ft (118 m) |
| Area | 277.2 sq mi (718.0 km²) |
| Population Density | 0/sq mi |
| Coordinates | 36.2789°N, 127.5269°W |
| Timezone | Asia/Seoul |
Precipitation & Snow
Air Quality
Earthquake History
3 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 | 146 km | 10 km |
| Jun 11, 2024 | 3 km NW of Puan, South Korea | M4.4 | 94 km | 10 km |
| Jan 29, 2020 | 21 km WNW of Mungyeong, South Korea | M3.5 | 62 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
23 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2022 | Hinnamnor | Category 1 | 81 mph | 193 km |
| 2020 | Bavi | Category 2 | 92 mph | 256 km |
| 2020 | Haishen | Category 1 | 92 mph | 162 km |
| 2020 | Maysak | Category 1 | 92 mph | 151 km |
| 2019 | Lingling | Category 2 | 75 mph | 242 km |
| 2016 | Chaba | Category 1 | 75 mph | 215 km |
| 2012 | Sanba | Category 2 | 86 mph | 145 km |
| 2010 | Kompasu | Category 2 | 81 mph | 170 km |
| 2007 | Nari | Category 1 | 81 mph | 198 km |
| 2003 | Maemi | Category 3 | 92 mph | 139 km |
| 2003 | Soudelor | Category 1 | 69 mph | 250 km |
| 2002 | Rusa | Category 1 | 81 mph | 231 km |
| 2000 | Saomai | Category 1 | 69 mph | 259 km |
| 2000 | Prapiroon | Category 1 | 69 mph | 244 km |
| 1999 | Olga | Category 1 | 63 mph | 183 km |
| 1995 | Faye | Category 2 | 75 mph | 76 km |
| 1994 | Seth | Category 1 | 58 mph | 286 km |
| 1993 | Robyn | Category 1 | 92 mph | 291 km |
| 1991 | Caitlin | Category 1 | 86 mph | 244 km |
| 1987 | Dinah | Category 1 | 98 mph | 235 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 | — | — | 95 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-2°C) | 1.1 in | Coldest, Driest |
| February | 31°F (-0°C) | 1.4 in | |
| March | 41°F (5°C) | 2.1 in | |
| April | 53°F (12°C) | 3.6 in | |
| May | 62°F (17°C) | 3.6 in | |
| June | 70°F (21°C) | 6.3 in | |
| July | 76°F (24°C) | 11.9 in | Wettest |
| August | 76°F (25°C) | 10.3 in | Warmest |
| September | 67°F (20°C) | 5.7 in | |
| October | 56°F (13°C) | 1.9 in | |
| November | 43°F (6°C) | 1.8 in | |
| December | 32°F (0°C) | 1.1 in |
Gunseo has a seasonal temperature swing of 48°F / from 29°F in January to 76°F in August. Total annual precipitation is 50.8 inches, with July being the wettest month (11.9") and January the driest (1.1").