10 cities · avg annual temperature 23.6°C
| City | Population | Avg temp | Since 1900 |
|---|---|---|---|
| Reynosa | 498,654 | 23.3°C | +1.7° |
| Heroica Matamoros | 449,815 | 23.3°C | +1.6° |
| Nuevo Laredo | 349,550 | 22.7°C | +1.8° |
| Ciudad Victoria | 269,923 | 21.8°C | +1.6° |
| Ciudad Madero | 192,736 | 24.1°C | +1.6° |
| Rio Bravo | 85,481 | 23.2°C | +1.6° |
| Ciudad Mante | 79,981 | 24.9°C | +1.6° |
| Miramar | 67,689 | 24.1°C | +1.6° |
| Altamira | 54,954 | 24.1°C | +1.6° |
| Tampico | — | 24.1°C | +1.6° |