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Average temperature in Seongnam

The mean minimum and maximum temperatures over the year in Seongnam (Gyeonggi-do), South Korea.

  • The months of May, June, July, September and October have nice average temperatures.
  • On average, the warmest month(s) are June, July and August.
  • On average, the warmest month is August with 31°C.
  • On average, the coolest month is January with 3°C.
  • The average annual maximum temperature is 18°C.
  • The average annual minimum temperature is 7°C.

Weather Forecasts for Seongnam

Mon   Apr 29
23°C | 14°C
E 14 km/h
1.5 mm
broken clouds and no rain

broken clouds and no rain

Tue   Apr 30
23°C | 11°C
SW 14 km/h
broken clouds and no rain

broken clouds and no rain

Wed   May 01
23°C | 12°C
NE 14 km/h
broken clouds and no rain

broken clouds and no rain

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Seongnam.

Our site offers climate and forecast data for every country in the world. Are you going to South Korea? On this website you can find historical weather averages for many cities in South Korea. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.

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