8 cities · avg annual temperature 21.5°C
| City | Population | Avg temp | Since 1900 |
|---|---|---|---|
| Hermosillo | 595,811 | 23.5°C | +1.3° |
| Ciudad Obregon | 258,162 | 23.7°C | +1.3° |
| Nogales | 185,882 | 16.5°C | +1.4° |
| San Luis Rio Colorado | 139,254 | 22.3°C | +1.4° |
| Navojoa | 120,000 | 23.9°C | +1.3° |
| Heroica Guaymas | 103,449 | 24.1°C | +1.3° |
| Agua Prieta | 77,254 | 16.9°C | +1.6° |
| Heroica Caborca | 52,896 | 21.4°C | +1.4° |