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In December 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 December for the last three years.
| Place name | December 2024 | December 2023 | December 2022 |
|---|---|---|---|
| Vieux Fort | 83.7°F | 83.0°F | 81.6°F |
| Castries | 83.6°F | 82.8°F | 81.6°F |
Charts below show average sea water temperature for Saint Lucia resorts with the warmest sea in December.
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.
