13 cities · avg annual temperature 27.1°C
| City | Population | Avg temp | Since 1900 |
|---|---|---|---|
| Colombo | 648,034 | 27.1°C | +1.4° |
| Dehiwala-Mount Lavinia | 219,827 | 27.1°C | +1.4° |
| Galkissa | 215,941 | 27.1°C | +1.4° |
| Moratuwa | 185,031 | 27.1°C | +1.4° |
| Negombo | 137,223 | 27.2°C | +1.4° |
| Pita Kotte | 118,179 | 27.1°C | +1.4° |
| Sri Jayewardenepura Kotte | 115,826 | 27.1°C | +1.4° |
| Katunayaka | 84,643 | 27.2°C | +1.4° |
| Battaramulla South | 75,633 | 27.1°C | +1.4° |
| Maharagama | 66,576 | 27.1°C | +1.4° |
| Kotikawatta | 64,565 | 27.1°C | +1.4° |
| Kolonnawa | 58,076 | 27.1°C | +1.4° |
| Hendala | 56,978 | 27.1°C | +1.4° |