Climate
Lagos logs 0 outdoor-dinner months a year to Onitsha's 12 — Onitsha wins by 12. Lagos also leads on hot days by 144.
Lagos
Feels-like °C
Dinner outside
Onitsha
Feels-like °C
Dinner outside
Air Quality
Lagos averages 32.7 µg/m³ (unhealthy) PM2.5 annually versus Onitsha's 49.5 µg/m³ (very unhealthy) — Lagos breathes ~34% cleaner air (16.7 µg/m³ lower).
Lagos
Onitsha
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.
Lagos (12.8M) and Onitsha (5.8M) are 2.2x in population — Lagos is the larger metro, Onitsha the smaller.
Lagos is roughly 1.6x the scale of Onitsha
Combined population & area comparison
City Scale Rankings
Lagos
Onitsha
Who Thrives Here
Lagos is the stronger fit for the sunshine lover. Both cities work well for the winter escapist.
Frequently asked about Lagos vs Onitsha
▶How does the climate compare between Lagos and Onitsha?
▶Should I move to Lagos or Onitsha?
The best city depends on what matters to you
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