9 cities · avg annual temperature 9.8°C
| City | Population | Avg temp | Since 1900 |
|---|---|---|---|
| Lille | 228,328 | 9.8°C | +2.3° |
| Amiens | 143,086 | 9.8°C | +2.2° |
| Roubaix | 95,721 | 9.8°C | +2.3° |
| Tourcoing | 91,574 | 9.8°C | +2.3° |
| Calais | 74,433 | 10.0°C | +2.2° |
| Dunkerque | 71,287 | 10.2°C | +2.2° |
| Villeneuve-d'Ascq | 62,400 | 9.8°C | +2.3° |
| Saint-Quentin | 55,407 | 9.7°C | +2.3° |
| Beauvais | 53,393 | 9.9°C | +2.2° |