Bonn logs 8 hot days a year to Dortmund's 5 — Dortmund wins by 3. Bonn also leads on frost days by 3.

Bonn runs about $2,386/mo for a balanced lifestyle against Dortmund's $2,061/mo — Dortmund comes in $325 cheaper each month, roughly 16% less.

Bonn and Dortmund score neck-and-neck on mobility (2.8 vs 2.8, 0–5 scale).

Bonn's culture score of 3.2 sits well above Dortmund's 2.2, with the biggest gap on history museums. Dortmund still holds an edge on live music venues.

Bonn's nature & outdoors score of 4.0 sits well above Dortmund's 3.5, with the biggest gap on forest access. Dortmund still holds an edge on lakes & rivers.

Bonn's safety score is ~1.2× Dortmund's — in the upper band, while Dortmund lands in the upper band, with the biggest gap on property crime safety.

Bonn's career score of 3.1 sits well above Dortmund's 2.9. Dortmund still holds an edge on economic scale.

Bonn and Dortmund score neck-and-neck on social & community (2.8 vs 2.7, 0–5 scale).

Bonn and Dortmund score neck-and-neck on food & dining (2.6 vs 2.6, 0–5 scale).

Bonn and Dortmund score neck-and-neck on family (2.5 vs 2.6, 0–5 scale).

Bonn and Dortmund score neck-and-neck on healthcare (3.7 vs 3.7, 0–5 scale).

Bonn averages 9.1 µg/m³ (good) PM2.5 annually versus Dortmund's 10 µg/m³ (good) — Bonn breathes ~9% cleaner air (0.9 µg/m³ lower).

Who Thrives Here