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Seonghwan, South Korea
Full City Profile
29,239
Population
1,266/sq mi density
125 ft
Elevation
38 meters
53°F
Avg Temperature
12°C
Seonghwan experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 26°F in January while summers reach 77°F in July. The area gets 245 sunny days per year. Annual precipitation totals 50.2 inches. The area receives 3.5 inches of snow annually.
Temperature
26°F Jan (-3°C)
77°F Jul (25°C)
| Annual Average | 53.1°F |
| 2% below US avg | |
| January Average | 26°F (-3°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 245 days/yr |
Geography
| Elevation | 125 ft (38 m) |
| Area | 23.1 sq mi (59.8 km²) |
| Population Density | 1,266/sq mi |
| Coordinates | 36.9156°N, 127.1314°W |
| Timezone | Asia/Seoul |
Precipitation & Snow
Air Quality
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1700 | YELLOW SEA | Earthquake | — | — | 73 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
1 volcano within 200 km. Closest: Ch'uga-ryong (158 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ch'uga-ryong | Shield | 452 m (1,483 ft) | Unknown | 158 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-3°C) | 1.1 in | Coldest, Driest |
| February | 31°F (-1°C) | 1.3 in | |
| March | 40°F (5°C) | 2.0 in | |
| April | 53°F (12°C) | 3.5 in | |
| May | 63°F (17°C) | 3.6 in | |
| June | 71°F (22°C) | 5.3 in | |
| July | 77°F (25°C) | 12.1 in | Wettest |
| August | 78°F (25°C) | 10.4 in | Warmest |
| September | 68°F (20°C) | 5.8 in | |
| October | 56°F (13°C) | 2.1 in | |
| November | 43°F (6°C) | 2.1 in | |
| December | 31°F (-0°C) | 1.1 in |
Seonghwan has a seasonal temperature swing of 51°F / from 26°F in January to 78°F in August. Total annual precipitation is 50.2 inches, with July being the wettest month (12.1") and January the driest (1.1").