| Year | Average monthly temperature ˚C/10 years |
| 1901 | 24.37034 |
| 1910 | 26.61626 |
| 1920 | 26.57028 |
| 1930 | 26.66089 |
| 1940 | 26.80198 |
| 1950 | 26.45233 |
| 1960 | 26.36165 |
| 1970 | 26.39722 |
| 1980 | 26.71711 |
| 1990 | 26.84742 |
| 2000 | 26.84741 |
| 2010 | 27.85025 |
| 2015 | 27.63414 |