Seongnam
Seongnam-si, Gyeonggi, South Korea
Current Weather
8°47°
Mostly Clear
Feels Like: 7°44°
Min: 7°44°
Max: 20°69°
The next few hours will be mostly clear, with today reaching 20°C and dropping to 13°C. The coming days will be partly cloudy
Hourly Forecast
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Air Quality
Air quality is acceptable. However, there may be a risk for some people.
Daylight Hours
06:54
Sunrise
17:36
Sunset
Moon
15:58
Moonrise
04:23
Moonset
Daily Forecast
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Resources
UV Index
Humidity
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View stargazing scoreWeather in Seongnam today, October 23, 2026
Seongnam stays under cloudy skies on October 23, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. Expect a brighter morning, with limited cloud around 37% by 11:00. Conditions start on a settled note.Seongnam stays under cloudy skies on October 23, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. Expect a brighter morning, with limited cloud around 37% by 11:00. Conditions start on a settled note.
The day peaks near 20°C and cools toward 7°C. Expect humidity between 54% and 92%, most humid near 06:00. Expect gentle winds, highest near 21:00 at 8 km/h.The day peaks near 69°F and cools toward 44°F. Expect humidity between 54% and 92%, most humid near 06:00. Expect gentle winds, highest near 21:00 at 5 mph.
Expect persistent cloud later on, with amounts around 100% by 21:00. Sunshine remains the exception, not the rule. Horizontal visibility holds close to 16.1 km. Expect sunrise at 06:54, sunset at 17:36, and 10 hours 42 minutes of sunlight today overall.Expect persistent cloud later on, with amounts around 100% by 21:00. Sunshine remains the exception, not the rule. Horizontal visibility holds close to 10 mi. Expect sunrise at 06:54, sunset at 17:36, and 10 hours 42 minutes of sunlight today overall.
Overall, Seongnam on October 23, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 20°C.Overall, Seongnam on October 23, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 69°F.
Frequently asked questions about weather in Seongnam
How warm does it get in Seongnam?
The warmest month in Seongnam is August, with average high temperatures of 30°C. The average temperature during this period is around 26°C.The warmest month in Seongnam is August, with average high temperatures of 86°F. The average temperature during this period is around 79°F.
How cold does it get in Seongnam?
The coldest month in Seongnam is January, with average low temperatures of -7°C. The average temperature during this period is around -2°C.The coldest month in Seongnam is January, with average low temperatures of 19°F. The average temperature during this period is around 28°F.
What is the wettest time of year in Seongnam?
The wettest month in Seongnam is July, with an average of 306 mm of precipitation.The wettest month in Seongnam is July, with an average of 12 in of precipitation.
What is the driest time of year in Seongnam?
The driest month in Seongnam is January, with an average of 23 mm of precipitation.The driest month in Seongnam is January, with an average of 0.9 in of precipitation.