In May warmest sea in Cayman Islands is usually observed in the following locations: Little Cayman, Grand Cayman, George Town.
Table below shows the average sea water temperature for marine resorts of Cayman Islands in May for the last three years.
| Place name | May 2026 | May 2025 | May 2024 |
|---|---|---|---|
| Little Cayman | 83.7°F | 84.0°F | 84.7°F |
| Grand Cayman | 83.6°F | 83.8°F | 84.7°F |
| George Town | 83.6°F | 83.8°F | 84.7°F |
| Cayman Brac | 83.6°F | 83.9°F | 84.7°F |
Charts below show average sea water temperature for Cayman Islands resorts with the warmest sea in May.
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
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