| Water Temperature | How is the water? | |
|---|---|---|
| January | 14.7° / 13.1° | Cold swimming |
| February | 13.7° / 12.6° | Very cold |
| March | 14° / 12.7° | Very cold |
| April | 15.4° / 13.5° | Cold swimming |
| May | 18.7° / 14.7° | Cold swimming |
| June | 23.7° / 17.3° | Warm swimming |
| July | 24.2° / 19.3° | Warm swimming |
| August | 25.3° / 20.7° | Warm swimming |
| September | 23.9° / 21.1° | Warm swimming |
| October | 21.9° / 18.5° | Chilly swimming |
| November | 19° / 16.4° | Cold swimming |
| December | 17.2° / 13.9° | Cold swimming |
°F °C
Marseille 
Sea temperature