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Weather & Climate in Kosong, South Korea
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Kosong experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 28°F in January while summers reach 72°F in July. The area gets 248 sunny days per year, above the national average. Annual precipitation totals 48.3 inches (wetter than the 38-inch national average). The area receives 4.1 inches of snow annually. The city sits at an elevation of 56 feet.
Temperature
28°F Jan (-2°C)
72°F Jul (22°C)
| Annual Average | 51.5°F |
| 5% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 248 days/yr |
Geography
| Elevation | 56 ft (17 m) |
| Area | 256.5 sq mi (664.3 km²) |
| Population Density | 243/sq mi |
| Coordinates | 38.3788°N, 128.4676°W |
| Timezone | Asia/Seoul |
Precipitation & Snow
Air Quality
Earthquake History
6 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 | 140 km | 10 km |
| Jan 20, 2007 | 25 km NNE of Pyeongchang, South Korea | M4.7 | 87 km | 10 km |
| Apr 19, 2019 | 50 km NE of Tonghae, South Korea | M4.4 | 109 km | 10 km |
| Jan 23, 1996 | 40 km ENE of Santyoku, South Korea | M4.3 | 136 km | 57 km |
| May 14, 2023 | 45 km NE of Tonghae, South Korea | M3.9 | 107 km | 13 km |
| May 11, 2020 | 32 km E of Koksan, North Korea | M3.8 | 131 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
8 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 2022 | Hinnamnor | Category 1 | 75 mph | 284 km |
| 2020 | Maysak | Category 1 | 81 mph | 160 km |
| 2020 | Haishen | Category 1 | 69 mph | 163 km |
| 2019 | Lingling | Category 1 | 69 mph | 291 km |
| 2010 | Kompasu | Category 1 | 69 mph | 115 km |
| 2003 | Maemi | Category 2 | 69 mph | 189 km |
| 1995 | Faye | Category 1 | 58 mph | 177 km |
| 1987 | Dinah | Category 1 | 86 mph | 293 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Nearby Volcanoes
1 volcano within 200 km. Closest: Ch'uga-ryong (99 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ch'uga-ryong | Shield | 452 m (1,483 ft) | Unknown | 99 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 1.2 in | Coldest, Driest |
| February | 31°F (-0°C) | 1.5 in | |
| March | 39°F (4°C) | 1.7 in | |
| April | 51°F (10°C) | 2.7 in | |
| May | 59°F (15°C) | 3.2 in | |
| June | 65°F (19°C) | 4.4 in | |
| July | 72°F (22°C) | 9.8 in | |
| August | 73°F (23°C) | 10.2 in | Warmest, Wettest |
| September | 65°F (18°C) | 7.2 in | |
| October | 56°F (13°C) | 2.6 in | |
| November | 44°F (7°C) | 2.4 in | |
| December | 34°F (1°C) | 1.4 in |
Kosong has a seasonal temperature swing of 45°F / from 28°F in January to 73°F in August. Total annual precipitation is 48.3 inches, with August being the wettest month (10.2") and January the driest (1.2").