11 cities · avg annual temperature 9.3°C
| City | Population | Avg temp | Since 1900 |
|---|---|---|---|
| Des Moines | 210,330 | 9.8°C | +2.2° |
| Cedar Rapids | 130,405 | 8.7°C | +2.2° |
| Davenport | 102,582 | 9.6°C | +2.3° |
| Sioux City | 82,821 | 9.2°C | +2.2° |
| Iowa City | 74,220 | 9.5°C | +2.2° |
| Waterloo | 68,460 | 8.4°C | +2.2° |
| Ames | 65,060 | 8.8°C | +2.2° |
| West Des Moines | 64,113 | 9.8°C | +2.2° |
| Council Bluffs | 62,597 | 10.1°C | +2.1° |
| Dubuque | 58,799 | 8.4°C | +2.3° |
| Ankeny | 56,764 | 9.8°C | +2.2° |