Seosan weather
At 4:00 AM local time it was cloudy and 8°C (47°F). Mostly light, on-and-off rain; heavier around 6 PM, 7 PM (7.1 mm total). Best months for weather: May–Jun, Sep–Oct. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Seosan, Chungcheongnam-do, South Korea.
Current conditions
- Clouds
- 94%
- Chance of rain
- 5%
- Rain
- 0.0 mm/h
Hourly Forecast
Mostly light, on-and-off rain; heavier around 6 PM, 7 PM (7.1 mm total)
Daily Forecast
Best Time to Visit
Peak season May–Jun, Sep–OctOff season Jul–Aug, Dec–Mar
About Seosan weather
Is it raining in Seosan right now?
No. It’s cloudy and 8° right now. Mostly light, on-and-off rain; heavier around 6 PM, 7 PM (7.1 mm total).
What’s the weather like in Seosan this week?
Over the next 7 days, expect highs of 6–17° and lows of 1–10°. Rain is likely on 2 of 7 days (Sunday, Thursday). The driest day looks like Saturday.
Has it been raining in Seosan lately?
Barely. The past 7 days were mostly dry, with 0.5 mm of rain in total.
What should I pack for Seosan?
For the coming week, bring an umbrella or rain jacket and a warm winter coat.
Seosan weather by month
When is the best time to visit Seosan?
Based on weather alone, the best time to visit Seosan is May–Jun, Sep–Oct, according to NASA's 2001–2025 climate averages. Jul–Aug, Dec–Mar tends to be the least pleasant. Average highs run from 2°C (36°F) in January to 27°C (80°F) in August.
What is the rainiest month in Seosan?
July is the wettest month, with about 329 mm (13.0 in) of rain on average. January is the driest, with about 24 mm (0.9 in).
What is the hottest month in Seosan?
August is the warmest, with average highs of 27°C (80°F) and lows of 23°C (74°F). January is the coolest, with highs of 2°C (36°F) and lows of -1°C (30°F).
Does Seosan have a rainy season?
Yes. Jul–Aug is the rainy season (150 mm or more a month), while Oct–Mar is usually dry (under 60 mm).
How warm is the sea in Seosan?
The sea is warmest in August at about 31°C (87°F) and coolest in February at about 5°C (40°F). It is comfortable for swimming (22°C or more) in Jun–Sep.
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine, forecast and current conditions from Open-Meteo. Page updated . How we rate months