Live Weather & Forecast
Weather in Seosan
Chungcheongnam, South Korea · Real-time conditions & 3-day outlook
21°C
Feels like 21°C
70°F / Feels 70°F
Sunny
Seosan, Chungcheongnam
🌞 Daytime
Updated: 2026-04-15 12:00
Humidity
33%
Wind
10.4 km/h NW
Wind Gust
12.5 km/h
Pressure
1011 mb
Visibility
13 km
UV Index
7
(High)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
3.8°C
Wind Degree
304°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (3)
CO
262.9 μg/m³
NO₂
71.8 μg/m³
O₃
11 μg/m³
SO₂
19.1 μg/m³
PM 2.5
30.9 μg/m³
PM 10
37.5 μg/m³
Weather Alerts 1
Met
· Moderate · Immediate
DryAir Advisory
(1) DryAir Advisory Announcement : 2026-04-14T10:00:00+09:00 Effective humidity of 35% or less is expected for at least 2 days.
Today's Hourly Forecast
24-hour breakdown for Seosan, Chungcheongnam
12 AM
14°
Overcast
1 AM
13°
Overcast
2 AM
13°
Clear
3 AM
13°
Clear
4 AM
13°
Clear
5 AM
12°
Clear
6 AM
12°
Clear
7 AM
13°
Overcast
8 AM
15°
Partly Cloudy
9 AM
17°
Sunny
10 AM
19°
Sunny
11 AM
20°
Sunny
12 PM
21°
Sunny
1 PM
21°
Sunny
2 PM
21°
Sunny
3 PM
21°
Sunny
4 PM
20°
Sunny
5 PM
20°
Sunny
6 PM
18°
Sunny
7 PM
15°
Sunny
8 PM
14°
Clear
9 PM
14°
Clear
10 PM
14°
Clear
11 PM
14°
Clear
3-Day Forecast
Daily overview for Seosan, Chungcheongnam
Today
Sunny
21°
/
12°
🌧️ 0% chance of rain
💧 Avg. humidity: 50%
💨 Max wind: 15.1 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.7
🌅 Sunrise: 06:01 AM
🌇 Sunset: 07:08 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Partly Cloudy
21°
/
11°
🌧️ 0% chance of rain
💧 Avg. humidity: 56%
💨 Max wind: 15.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:00 AM
🌇 Sunset: 07:09 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Partly Cloudy
17°
/
11°
🌧️ 0% chance of rain
💧 Avg. humidity: 73%
💨 Max wind: 10.8 km/h
🌧️ Total precip: 0.03 mm
☀️ UV Index: 1
🌅 Sunrise: 05:58 AM
🌇 Sunset: 07:10 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Seosan
Plan your trip to Seosan, South Korea around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Seosan?
Current conditions in Seosan: Sunny, temperature 21°C, humidity 33%.
What is the best time to visit Seosan?
The best time to visit Seosan is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Seosan?
Seosan is located at approximately 36.8° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Seosan?
The wettest period in Seosan is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Seosan?
For visits to Seosan during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Seosan in?
Seosan is located in South Korea, in the state of Chungcheongnam.
What are the public holidays in Seosan in 2026?
View the 2026 public holidays for Seosan on our Holidays page.
What are the GPS coordinates used for the weather forecast in Seosan?
The weather forecast for Seosan uses coordinates 36.7845, 126.4503.