5 cities · avg annual temperature 15.6°C
| City | Population | Avg temp | Since 1900 |
|---|---|---|---|
| Rome | 2,318,895 | 15.2°C | +2.4° |
| Acilia-Castel Fusano-Ostia Antica | 129,362 | 15.6°C | +2.4° |
| Lido di Ostia | 79,400 | 16.0°C | +2.3° |
| Latina | 76,305 | 16.1°C | +2.3° |
| Guidonia Montecelio | 67,516 | 15.2°C | +2.4° |