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Weather & Climate in Seoseok, South Korea
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Seoseok experiences four distinct seasons with an average annual temperature of 49°F (10°C). Winters average 28°F in January while summers reach 73°F in July. The area gets 274 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 63.5 inches (wetter than the 38-inch national average). The area receives 7.2 inches of snow annually. The city sits at an elevation of 1,066 feet.
Temperature
28°F Jan (-3°C)
73°F Jul (23°C)
| Annual Average | 49.4°F |
| 9% below US avg | |
| January Average | 28°F (-3°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 274 days/yr |
Geography
| Elevation | 1,066 ft (325 m) |
| Area | 64.4 sq mi (166.8 km²) |
| Population Density | 0/sq mi |
| Coordinates | 37.7119°N, 128.1871°W |
| Timezone | Asia/Seoul |
Precipitation & Snow
Air Quality
Earthquake History
7 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 | 81 km | 10 km |
| Jan 20, 2007 | 25 km NNE of Pyeongchang, South Korea | M4.7 | 29 km | 10 km |
| Apr 19, 2019 | 50 km NE of Tonghae, South Korea | M4.4 | 118 km | 10 km |
| Jan 23, 1996 | 40 km ENE of Santyoku, South Korea | M4.3 | 126 km | 57 km |
| Oct 6, 1995 | 45 km ESE of Santyoku, South Korea | M4.3 | 137 km | 33 km |
| May 14, 2023 | 45 km NE of Tonghae, South Korea | M3.9 | 114 km | 13 km |
| Jan 29, 2020 | 21 km WNW of Mungyeong, South Korea | M3.5 | 115 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
11 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 | 252 km |
| 2020 | Maysak | Category 1 | 86 mph | 120 km |
| 2020 | Haishen | Category 1 | 81 mph | 113 km |
| 2019 | Lingling | Category 1 | 75 mph | 263 km |
| 2012 | Sanba | Category 1 | 81 mph | 290 km |
| 2010 | Kompasu | Category 2 | 69 mph | 97 km |
| 2003 | Maemi | Category 2 | 69 mph | 163 km |
| 2000 | Prapiroon | Category 1 | 69 mph | 276 km |
| 1995 | Faye | Category 2 | 69 mph | 111 km |
| 1991 | Caitlin | Category 1 | 75 mph | 290 km |
| 1987 | Dinah | Category 1 | 86 mph | 285 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Nearby Volcanoes
1 volcano within 200 km. Closest: Ch'uga-ryong (102 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ch'uga-ryong | Shield | 452 m (1,483 ft) | Unknown | 102 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-3°C) | 0.8 in | Driest |
| February | 27°F (-3°C) | 1.1 in | Coldest |
| March | 37°F (3°C) | 1.8 in | |
| April | 50°F (10°C) | 3.0 in | |
| May | 60°F (15°C) | 3.7 in | |
| June | 67°F (20°C) | 5.4 in | |
| July | 73°F (23°C) | 12.6 in | Wettest |
| August | 73°F (23°C) | 10.8 in | Warmest |
| September | 64°F (18°C) | 6.1 in | |
| October | 53°F (11°C) | 1.9 in | |
| November | 40°F (4°C) | 1.7 in | |
| December | 28°F (-2°C) | 1.0 in |
Seoseok has a seasonal temperature swing of 46°F / from 27°F in February to 73°F in August. Total annual precipitation is 49.9 inches, with July being the wettest month (12.6") and January the driest (0.8").