Marseille logs 0 frost days a year to Rouen's 16 — Marseille wins by 16. Marseille also leads on sunny days by 123.

Marseille runs about $2,219/mo for a balanced lifestyle against Rouen's $2,059/mo — Rouen comes in $160 cheaper each month, roughly 8% less.

Marseille and Rouen score neck-and-neck on mobility (2.8 vs 2.6, 0–5 scale).

Marseille's culture score of 3.8 sits well above Rouen's 3.3, with the biggest gap on nightlife.

Marseille's nature & outdoors score of 4.3 sits well above Rouen's 3.7, with the biggest gap on mountain access. Rouen still holds an edge on forest access.

Rouen's safety score is ~1.9× Marseille's — in the upper band, while Marseille lands below average, with the biggest gap on wildfire safety.

Marseille's career score of 3.6 sits well above Rouen's 2.8, with the biggest gap on economic scale.

Marseille's social & community score of 3.1 sits well above Rouen's 2.6, with the biggest gap on multicultural mix. Rouen still holds an edge on local-first community.

On food & dining, Marseille scores 3.6 vs Rouen's 2.4 (0–5 scale), with the biggest gap on restaurant variety.

On family, Marseille scores 3.1 vs Rouen's 2.5 (0–5 scale), with the biggest gap on international schools.

On healthcare, Rouen scores 3.7 vs Marseille's 3.0 (0–5 scale), with the biggest gap on public healthcare quality.

Marseille averages 9.4 µg/m³ (good) PM2.5 annually versus Rouen's 8.8 µg/m³ (good) — Rouen breathes ~6% cleaner air (0.5 µg/m³ lower).

Who Thrives Here