7 cities · avg annual temperature 9.1°C
| City | Population | Avg temp | Since 1900 |
|---|---|---|---|
| Belfast | 274,770 | 9.2°C | +1.9° |
| Derry | 83,652 | 8.7°C | +1.8° |
| Lisburn | 77,506 | 8.9°C | +1.8° |
| Newtownabbey | 63,860 | 9.2°C | +1.9° |
| Bangor | 60,385 | 9.4°C | +1.9° |
| Craigavon | 59,236 | 8.9°C | +1.9° |
| Castlereagh | 56,679 | 9.2°C | +1.9° |