Generally coldest in February, average 13.1°C and hottest in August at 25.2°C.
| Air | Sea | |
|---|---|---|
| January | 8.7°C | 13.6°C |
| February | 9.4°C | 13.1°C |
| March | 10.9°C | 13.3°C |
| April | 13.2°C | 14.2°C |
| May | 16.4°C | 17.2°C |
| June | 19.9°C | 20.4°C |
| July | 22.9°C | 23.8°C |
| August | 23.0°C | 25.2°C |
| September | 20.5°C | 22.5°C |
| October | 17.0°C | 19.9°C |
| November | 12.4°C | 17.3°C |
| December | 9.6°C | 14.9°C |