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Weather & Climate in Jangheung, South Korea
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Jangheung experiences four distinct seasons with an average annual temperature of 53°F (11°C). Winters average 26°F in January while summers reach 76°F in July. The area gets 268 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 67.0 inches (wetter than the 38-inch national average). The area receives 6.0 inches of snow annually. The city sits at an elevation of 302 feet.
Temperature
26°F Jan (-3°C)
76°F Jul (24°C)
| Annual Average | 52.5°F |
| 3% below US avg | |
| January Average | 26°F (-3°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 268 days/yr |
Geography
| Elevation | 302 ft (92 m) |
| Area | 0.9 sq mi (2.4 km²) |
| Population Density | 0/sq mi |
| Coordinates | 37.7173°N, 126.9412°W |
| Timezone | Asia/Seoul |
Precipitation & Snow
Air Quality
Earthquake History
4 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.7.
| Jan 20, 2007 | 25 km NNE of Pyeongchang, South Korea | M4.7 | 136 km | 10 km |
| May 11, 2020 | 32 km E of Koksan, North Korea | M3.8 | 115 km | 10 km |
| Jan 8, 2023 | South Korea | M3.6 | 63 km | 17 km |
| Jan 29, 2020 | 21 km WNW of Mungyeong, South Korea | M3.5 | 148 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
9 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 2020 | Bavi | Category 2 | 81 mph | 193 km |
| 2020 | Maysak | Category 1 | 86 mph | 219 km |
| 2020 | Haishen | Category 1 | 81 mph | 207 km |
| 2019 | Lingling | Category 1 | 75 mph | 154 km |
| 2010 | Kompasu | Category 2 | 69 mph | 48 km |
| 2003 | Maemi | Category 2 | 69 mph | 265 km |
| 2000 | Prapiroon | Category 1 | 81 mph | 169 km |
| 1999 | Olga | Category 1 | 63 mph | 292 km |
| 1995 | Faye | Category 2 | 69 mph | 186 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 | — | — | 141 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Ch'uga-ryong (76 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ch'uga-ryong | Shield | 452 m (1,483 ft) | Unknown | 76 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-3°C) | 0.8 in | Coldest, Driest |
| February | 30°F (-1°C) | 0.9 in | |
| March | 40°F (4°C) | 1.8 in | |
| April | 52°F (11°C) | 3.0 in | |
| May | 62°F (17°C) | 3.8 in | |
| June | 70°F (21°C) | 5.3 in | |
| July | 76°F (24°C) | 12.8 in | Wettest |
| August | 77°F (25°C) | 12.2 in | Warmest |
| September | 68°F (20°C) | 5.8 in | |
| October | 56°F (13°C) | 2.0 in | |
| November | 42°F (6°C) | 2.0 in | |
| December | 30°F (-1°C) | 0.9 in |
Jangheung has a seasonal temperature swing of 51°F / from 26°F in January to 77°F in August. Total annual precipitation is 51.3 inches, with July being the wettest month (12.8") and January the driest (0.8").