14 cities · avg annual temperature 25.7°C
| City | Population | Avg temp | Since 1900 |
|---|---|---|---|
| Medan | 1,750,971 | 26.5°C | +1.6° |
| Percut | 311,063 | 26.6°C | +1.6° |
| Binjai | 228,763 | 26.1°C | +1.6° |
| Pematangsiantar | 209,614 | 24.4°C | +1.6° |
| Sunggal | 157,914 | 26.5°C | +1.6° |
| Perbaungan | 157,174 | 26.6°C | +1.6° |
| Tanjungbalai | 142,506 | 26.8°C | +1.6° |
| Kisaran | 129,911 | 26.5°C | +1.6° |
| Tebingtinggi | 117,530 | 26.4°C | +1.6° |
| Rantauprapat | 103,009 | 26.4°C | +1.6° |
| Belawan | 102,707 | 26.7°C | +1.6° |
| Padangsidempuan | 100,561 | 24.4°C | +1.6° |
| Sibolga | 79,714 | 25.5°C | +1.6° |
| Kabanjahe | 57,159 | 20.8°C | +1.6° |