8 cities · avg annual temperature 20.2°C
| City | Population | Avg temp | Since 1900 |
|---|---|---|---|
| Saltillo | 621,250 | 16.2°C | +1.5° |
| Torreon | 524,066 | 21.4°C | +1.7° |
| Monclova | 195,764 | 20.1°C | +1.8° |
| Piedras Negras | 150,178 | 21.6°C | +2.0° |
| Ciudad Acuna | 144,669 | 20.8°C | +2.0° |
| Matamoros | 104,024 | 21.1°C | +1.7° |
| Ciudad Frontera | 64,976 | 20.1°C | +1.8° |
| Ciudad Lerdo | 63,530 | 20.5°C | +1.7° |