In December warmest sea in Cayman Islands is usually observed in the following locations: Little Cayman, Cayman Brac, George Town.
Table below shows the average sea water temperature for marine resorts of Cayman Islands in December for the last three years.
| Place name | December 2025 | December 2024 | December 2023 |
|---|---|---|---|
| Little Cayman | 83.7°F | 82.4°F | 83.3°F |
| Cayman Brac | 83.6°F | 82.2°F | 83.2°F |
| George Town | 83.6°F | 82.7°F | 83.7°F |
| Grand Cayman | 83.5°F | 82.7°F | 83.7°F |
Charts below show average sea water temperature for Cayman Islands resorts with the warmest sea in December.
You can also check other months of the year to see sea temperature of Cayman Islands resorts at that time.
Places in Cayman Islands:
Name
°F
