The Cayman Islands resorts with the warmest sea water temperature in January are George Town, Little Cayman and Grand Cayman.
Below you can see a list of all popular Cayman Islands resorts and information about sea water temperature in January for the last two years.
| Resort Name | January 2026 | January 2025 | January 2024 |
|---|---|---|---|
| George Town | 84.9°F | 85.1°F | 85.5°F |
| Little Cayman | 84.9°F | 84.7°F | 85.3°F |
| Grand Cayman | 84.8°F | 85.0°F | 85.5°F |
| Cayman Brac | 84.7°F | 84.6°F | 85.1°F |
Please see following sea water temperature averages charts for the warmest Cayman Islands resorts in January.
You can also get the same information for the every other month of the year when the average sea water temperature is greater then 70°F.
Sea Water
Temperature
Temperature
| George Town |
Sea Water
Temperature
Temperature
| Little Cayman |
Sea Water
Temperature
Temperature
| Grand Cayman |

























