Climate
Rosario logs 6 frost days a year to Villa Mercedes's 10 — Rosario wins by 4. Rosario also leads on hot days by 26.
Rosario
Feels-like °C
Dinner outside
Villa Mercedes
Feels-like °C
Dinner outside
Air Quality
Rosario averages 12.6 µg/m³ (moderate) PM2.5 annually versus Villa Mercedes's 13.0 µg/m³ (moderate) — Rosario breathes ~3% cleaner air (0.4 µg/m³ lower).
Rosario
Villa Mercedes
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.
Rosario (1.2M) and Villa Mercedes (114K) are 10x in population — Rosario is the larger metro, Villa Mercedes the smaller; on land area Rosario spans roughly 6.4x more ground.
Rosario is roughly 8.2x the scale of Villa Mercedes
Combined population & area comparison
RosarioVilla MercedesCity Scale Rankings
Rosario1.2M10xVilla Mercedes114K1xRosario199 km²6.4xVilla Mercedes31 km²1xRosario
Villa Mercedes
Who Thrives Here
Both cities work well for the sunshine lover.
Also compared
Barcelona 
Berlin 
MiamiFrequently asked about Rosario vs Villa Mercedes
▶How does the climate compare between Rosario and Villa Mercedes?
▶Should I move to Rosario or Villa Mercedes?
The best city depends on what matters to you
This comparison shows how Rosario and Villa Mercedes stack up on the data. But your climate preferences, budget, career needs, and lifestyle priorities can shift the picture entirely. A personalized diagnostic finds what fits your life.
Take the free diagnostic10 minutes, no account needed