Leaflet | Tiles © Esri
In March warmest sea in Saint Lucia is usually observed in the following locations: Vieux Fort, Castries.
Table below shows the average sea water temperature for marine resorts of Saint Lucia in March for the last three years.
| Place name | March 2025 | March 2024 | March 2023 |
|---|---|---|---|
| Vieux Fort | 81.2°F | 82.4°F | 80.1°F |
| Castries | 81.2°F | 82.1°F | 79.9°F |
Charts below show average sea water temperature for Saint Lucia resorts with the warmest sea in March.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
14
28
42
56
70
84
98
112
82.3
83.6
84.6
84.9
83.9
82.8
82.4
81.9
81.1
80.5
80.4
81.1
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
14
28
42
56
70
84
98
112
82.2
83.6
84.5
84.8
83.9
82.8
82.4
81.8
81
80.4
80.3
81
You can also check other months of the year to see sea temperature of Saint Lucia resorts at that time.
