Seongnam-si

City in South Korea: population, location, elevation, climate and landmarks.

Overview

Seongnam-si is a city in South Korea, in Gyeonggi-do. About 914,832 people live in the city proper, making it the 11th largest city of South Korea in our atlas.

It lies at 37.44° N, 127.14° E, about 80 m (262 ft) above sea level, and keeps time on the Asia/Seoul time zone.

Location

Red dot: Seongnam-si. Green dots: other major cities of South Korea. Map data: Natural Earth.

Climate

Seongnam-si has a continental (hot summer, dry winter) climate (Köppen Dwa). The warmest month is usually Aug, with average highs near 28°C (83°F); the coolest nights come in Jan at about -7°C (19°F). Around 1,241 mm (49 in) of rain and snow falls in a typical year, most of it in Jul.

0°-7°Jan203°-5°Feb318°-1°Mar3715°4°Apr7221°11°May8425°16°Jun11627°21°Jul36128°22°Aug26024°16°Sep13818°9°Oct5310°2°Nov472°-4°Dec22mm

Bars: average daily high and low (°C) for each month; blue columns and figures: average precipitation (mm). Gridded 2001-2025 averages from NASA POWER, so mountain and coastal spots can differ from local station records.

Landmarks and places to see

Popular sights within a few kilometres of the city centre, ranked by how widely they are documented on Wikipedia.

What to eat in South KoreaNational dishes, street food, desserts and drinks on Intercontinental Chef.

Nearby major cities

← South KoreaAll cities

Sources

Text written by Geographical Effect from these sources.

Photo credits
  • Tanchon20100223 1: Waka77, Public domain (Wikimedia Commons)
  • Seongnam Stadium North: 주전자, CC BY 3.0 (Wikimedia Commons)
  • 성남중앙공원 (3): Jocelyndurrey This photo was taken with LG G3, CC BY-SA 4.0 (Wikimedia Commons)
  • 율동공원 (12): Jocelyndurrey, CC BY-SA 4.0 (Wikimedia Commons)