12 cities · avg annual temperature 9.2°C
| City | Population | Avg temp | Since 1900 |
|---|---|---|---|
| Frankfurt am Main | 650,000 | 9.9°C | +2.2° |
| Wiesbaden | 272,432 | 8.9°C | +2.2° |
| Kassel | 194,501 | 8.1°C | +2.2° |
| Darmstadt | 140,385 | 9.9°C | +2.2° |
| Offenbach | 119,192 | 9.8°C | +2.2° |
| Hanau am Main | 88,648 | 9.8°C | +2.2° |
| Marburg an der Lahn | 78,895 | 8.2°C | +2.2° |
| Fulda | 63,760 | 8.0°C | +2.1° |
| Wetzlar | 52,656 | 8.7°C | +2.2° |
| Ruesselsheim | — | 10.0°C | +2.2° |
| Giessen | — | 8.7°C | +2.2° |
| Bad Homburg vor der Hoehe | — | 9.9°C | +2.2° |