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Data Source: Safety, crime, and quality metrics are sourced from Numbeo, a crowd-sourced global database of reported data.
All scores are relative comparisons on a 0-100 scale, where 50 = global average. Higher scores mean better than average, lower scores mean worse than average.
Seosan offers a pragmatic, industrial-driven lifestyle for professionals seeking stability away from the frantic pace of Seoul. It is a functional city where life revolves around the manufacturing and energy sectors, providing a quiet, predictable environment for those who prefer a slower tempo. You will find reliable public transport and solid healthcare access, making daily logistics manageable for international families.
However, the expat community remains small and largely unestablished, meaning social integration requires more proactive effort than in larger hubs. While the city provides a safe and cost-effective base for work, the trade-off is a lack of diverse international amenities and a more localized, utilitarian atmosphere.
Population
74,208
Area
242 km²
Density
307 per km²
Founded
-
Language
Korean
Distance to Coast
6 km
Districts & Neighborhoods in Seosan
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Climate & Weather in Seosan
Seosan has a humid subtropical climate (Köppen Cfa) with four distinct seasons, hot and humid summers, and cold, drier winters. Its climate is broadly consistent with South Korea’s inland-western lowland pattern, with annual rainfall around the national range and humidity near the middle of the country reference range.
Summer Average
25-27°C
Winter Average
-2-3°C
Climate Type
Humid subtropical
Rainy Days
120
Sunny Days
215
Humidity
65%
Spring
March - May
10-20°C
Spring is mild and gradually warms from cool March conditions to comfortable late-spring weather. Rainfall is usually moderate, and weather can vary quickly from dry and breezy to unsettled.
Moderate rainfall
Summer
June - August
24-29°C
Summer is hot, humid, and the wettest season, influenced by the East Asian monsoon. Periods of clear weather alternate with heavy rain and thunderstorms.
Very High rainfall
Autumn
September - November
10-22°C
Autumn is generally one of the most pleasant seasons, with warm early autumn days and cool, crisp late-autumn conditions. Rain decreases compared with summer, and skies are often clearer.
Moderate rainfall
Winter
December - February
-4-4°C
Winter is cold and relatively dry, with frequent clear days and occasional cold snaps. Snow can occur, but prolonged heavy snow is less common than in more northern or mountainous parts of Korea.
Low rainfall
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Air Quality
Seosan
Advantages
Seosan
Abundant parks and green spaces
Affordable cost of living
Close to Seoul accessibility
Peaceful small-town atmosphere
Strong local community bonds
Disadvantages
Seosan
Limited job opportunities
Weak nightlife and entertainment
Aging population demographics
Poor public transportation access
Brain drain to larger cities
Safety & Security in Seosan
Overall Safety Score
Includes resilience and environmental factors
Good
80
/100
South Korea Avg
60
Asia Avg
57
Worldwide Avg
56
Crime & Safety Metrics
Thermometer compares Seosan to South Korea averages using different marker styles.Compare:
