Rio de Janeiro vs Honolulu

How to read the comparison chart

The grouped bars score each city 0–100 on cost, climate and safety — taller is better. Rio de Janeiro leads on any axis where its bar is higher, Honolulu where its is. The cost bar uses a higher-is-cheaper scale, so Honolulu's taller cost bar reflects its lower cost of living, not a higher price.

Rio de Janeiro vs Honolulu: the short answer

Honolulu comes out ahead on overall livability (67/100), modestly above Rio de Janeiro (63/100). The two cities diverge most on cost of living. On affordability Honolulu is the cheaper base — a moderate gap on our cost index (Rio de Janeiro 40 vs Honolulu 47, where a higher score means a lower cost of living, normalised from World Bank price levels). For climate, Rio de Janeiro runs warmer in summer (about 26.0°C peak vs 25.3°C in Honolulu), while winter lows sit near 20.3°C in Rio de Janeiro and 21.5°C in Honolulu. On natural-disaster exposure Rio de Janeiro is the safer choice (safety 64/100); the dominant modelled hazard is flooding for Rio de Janeiro and flooding for Honolulu.

Which city should you choose?

• On a tight budget → Honolulu — lower everyday costs..
• You want warmth → Rio de Janeiro — hotter summers.
• Safety is the priority → Rio de Janeiro — lower disaster risk.
• Best all-rounder → Honolulu — highest overall livability.

Data & methodology

Cost scores are normalised from World Bank price-level data. Climate figures (summer highs, winter lows) are drawn from 1991–2020 climate normals. Disaster-safety blends USGS earthquake history (magnitude 4.5+ within 300 km since 1980), tropical-cyclone basin position, flood/elevation exposure and Köppen climate zone. The livability score is the weighted composite of cost, climate and safety. All figures are planning indicators for 2026, not guarantees — verify specifics before relocating.

Compiled by the CityLivably data team from open public datasets (World Bank, USGS, climate normals).

FAQ

Is Rio de Janeiro or Honolulu better to live in?

Honolulu scores higher overall — 67 vs 63 on our 0–100 livability index, which weights cost, climate and safety.

Which is cheaper, Rio de Janeiro or Honolulu?

Honolulu has the lower cost of living (cost index 47 vs 40; higher = cheaper, from World Bank price levels).

Which is warmer, Rio de Janeiro or Honolulu?

Rio de Janeiro — summer highs reach about 26.0°C versus 25.3°C in Honolulu.

Which is safer from natural disasters, Rio de Janeiro or Honolulu?

Rio de Janeiro (disaster-safety 64/100). Main hazard: flooding in Rio de Janeiro, flooding in Honolulu.

What is the main natural-disaster risk in Rio de Janeiro?

flooding is the dominant modelled hazard for Rio de Janeiro on our risk index.

How is the Rio de Janeiro vs Honolulu comparison calculated?

Cost comes from World Bank price levels, climate from 1991–2020 normals, and disaster risk from USGS earthquake data, cyclone-basin position and flood exposure; livability is their weighted composite.