Climate
Daejeon logs 48 hot days a year to Seoul's 38 — Seoul wins by 10. Daejeon also leads on frost days by 18.
Daejeon
Feels-like °C
Dinner outside
Seoul
Feels-like °C
Dinner outside
Cost of Living
Seoul averages $1,853/mo for balanced living; Daejeon has no cost baseline yet.
Seoul
$1,853monthly · balanced
Mobility
Seoul scores 4.6 on mobility (0–5 scale); Daejeon has no mobility baseline.
Culture
Seoul's culture score of 3.1 sits well above Daejeon's 0.0.
Nature & Outdoors
Seoul scores 4.3 on nature & outdoors (0–5 scale); Daejeon has no nature & outdoors baseline.
Safety
Seoul scores 4.1 on safety (0–5 scale); Daejeon has no safety baseline.
Career
Seoul scores 4.3 on career (0–5 scale); Daejeon has no career baseline.
Social & Community
Seoul scores 2.8 on social & community (0–5 scale); Daejeon has no social & community baseline.
Food & Dining
Seoul scores 4.0 on food & dining (0–5 scale); Daejeon has no food & dining baseline.
Family
Seoul scores 4.1 on family (0–5 scale); Daejeon has no family baseline.
Healthcare
Seoul scores 4.1 on healthcare (0–5 scale); Daejeon has no healthcare baseline.
Air Quality
Daejeon averages 24.6 µg/m³ (sensitive-groups) PM2.5 annually versus Seoul's 26.6 µg/m³ (unhealthy) — Daejeon breathes ~7% cleaner air (2.0 µg/m³ lower).
Daejeon
Seoul
PM2.5 annual average
WHO classification
City Scale
Both maps at the same real-world scale — 1 cm on either map is the same distance.
Daejeon (1.5M) and Seoul (22.3M) are 15x in population — Seoul is the larger metro, Daejeon the smaller; on land area Seoul spans roughly 11x more ground.
Seoul is roughly 13x the scale of Daejeon
Combined population & area comparison
City Scale Rankings
Daejeon
Seoul
Who Thrives Here
Seoul is the stronger fit for the big city energy. Both cities work well for the winter escapist.
Also compared
Frequently asked about Daejeon vs Seoul
▶Which is cheaper, Daejeon or Seoul?
▶How does the climate compare between Daejeon and Seoul?
▶Is Daejeon or Seoul safer?
▶Should I move to Daejeon or Seoul?
The best city depends on what matters to you
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