Sea temperature and swimming season in Saint Lucia
When the sea is warm enough to swim in 2 coastal cities in Saint Lucia.
| City | Warmest | Coldest | Swimming season |
|---|---|---|---|
| Castries | 29.8°C Sep | 27.2°C Mar | all year |
| Dennery | 29.8°C Sep | 27.2°C Mar | all year |
Knowing the temperature is only half of it. What to wear, and why cold shock is the real risk →
Season uses 19°C. Why that number, and where the data comes from