7 cities · avg annual temperature 10.9°C
| City | Population | Avg temp | Since 1900 |
|---|---|---|---|
| Rennes | 209,375 | 10.7°C | +2.2° |
| Brest | 144,899 | 11.2°C | +2.1° |
| Quimper | 63,849 | 10.9°C | +2.1° |
| Lorient | 58,112 | 11.0°C | +2.2° |
| Vannes | 54,020 | 11.2°C | +2.2° |
| Saint-Brieuc | 52,774 | 10.8°C | +2.2° |
| Saint-Malo | 50,676 | 11.0°C | +2.1° |