All Countries
Seongnam-si, South Korea
Full City Profile
914,832
Population
34,418/sq mi density
262 ft
Elevation
80 meters
52°F
Avg Temperature
11°C
Seongnam-si experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 26°F in January while summers reach 76°F in July. The area gets 243 sunny days per year. Annual precipitation totals 51.7 inches. The area receives 2.8 inches of snow annually.
Temperature
26°F Jan (-4°C)
76°F Jul (24°C)
| Annual Average | 52.3°F |
| 3% below US avg | |
| January Average | 26°F (-4°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 243 days/yr |
Geography
| Elevation | 262 ft (80 m) |
| Area | 26.6 sq mi (68.8 km²) |
| Population Density | 34,418/sq mi |
| Coordinates | 37.4386°N, 127.1378°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 | — | — | 119 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
1 volcano within 200 km. Closest: Ch'uga-ryong (101 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ch'uga-ryong | Shield | 452 m (1,483 ft) | Unknown | 101 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-4°C) | 0.8 in | Coldest, Driest |
| February | 30°F (-1°C) | 1.1 in | |
| March | 40°F (4°C) | 1.9 in | |
| April | 52°F (11°C) | 3.3 in | |
| May | 62°F (17°C) | 3.8 in | |
| June | 70°F (21°C) | 5.3 in | |
| July | 76°F (24°C) | 13.2 in | Wettest |
| August | 77°F (25°C) | 11.7 in | Warmest |
| September | 68°F (20°C) | 5.9 in | |
| October | 56°F (13°C) | 2.0 in | |
| November | 42°F (6°C) | 2.0 in | |
| December | 31°F (-1°C) | 0.9 in |
Seongnam-si has a seasonal temperature swing of 51°F / from 26°F in January to 77°F in August. Total annual precipitation is 51.7 inches, with July being the wettest month (13.2") and January the driest (0.8").