19 cities · avg annual temperature 13.9°C
| City | Population | Avg temp | Since 1900 |
|---|---|---|---|
| Istanbul | 11,174,257 | 13.8°C | +2.1° |
| Bahcelievler | 576,799 | 13.8°C | +2.1° |
| Umraniye | 573,265 | 13.8°C | +2.1° |
| Esenler | 520,235 | 13.8°C | +2.1° |
| Sultangazi | 436,935 | 13.8°C | +2.1° |
| Maltepe | 427,040 | 14.3°C | +2.1° |
| Atasehir | 361,615 | 14.3°C | +2.1° |
| Sisli | 314,684 | 13.8°C | +2.1° |
| Zeytinburnu | 288,743 | 14.4°C | +2.1° |
| Sultanbeyli | 286,622 | 13.9°C | +2.1° |
| Sancaktepe | 241,000 | 13.8°C | +2.1° |
| Esenyurt | 211,330 | 13.8°C | +2.1° |
| Basaksehir | 193,750 | 13.8°C | +2.1° |
| Silivri | 53,167 | 13.5°C | +2.1° |
| UEskuedar | — | 13.8°C | +2.1° |
| Kavakli | — | 13.6°C | +2.1° |
| Beylikduezue | — | 14.3°C | +2.1° |
| Bagcilar | — | 13.8°C | +2.1° |
| Bueyuekcekmece | — | 13.8°C | +2.1° |