In May warmest sea in USA is usually observed in the following locations: Key West, Key Largo, Miami.
Table below shows the average sea water temperature for marine resorts of USA in May for the last three years.
| Place name | May 2026 | May 2025 | May 2024 |
|---|---|---|---|
| Key West | 84.3°F | 83.5°F | 84.6°F |
| Key Largo | 84.0°F | 83.5°F | 84.1°F |
| Miami | 83.3°F | 82.6°F | 83.3°F |
| Cape Coral | 83.3°F | 83.4°F | 83.6°F |
| Naples | 82.9°F | 83.5°F | 83.8°F |
| Miami Beach | 82.7°F | 82.4°F | 83.0°F |
| Tampa | 81.9°F | 82.7°F | 82.5°F |
| West Palm Beach | 81.7°F | 81.1°F | 81.5°F |
| Fort Lauderdale | 81.7°F | 81.1°F | 81.7°F |
| Clearwater Beach | 81.5°F | 82.6°F | 82.5°F |
| Sarasota | 81.5°F | 82.7°F | 82.9°F |
| Siesta Key | 81.3°F | 82.5°F | 82.6°F |
| Port St. Lucie | 80.8°F | 78.9°F | 79.5°F |
| Cocoa Beach | 80.4°F | 79.4°F | 80.0°F |
| Corpus Christi | 79.5°F | 80.9°F | 81.0°F |
| South Padre Island | 79.1°F | 80.0°F | 81.1°F |
| Galveston | 78.4°F | 79.6°F | 79.5°F |
| Orlando | 78.4°F | 77.2°F | 77.6°F |
| Houston | 78.4°F | 79.5°F | 78.9°F |
| Daytona Beach | 78.1°F | 76.0°F | 77.2°F |
| New Orleans | 78.0°F | 79.5°F | 79.9°F |
| Honolulu | 78.0°F | 78.1°F | 77.6°F |
| Hawaii | 77.9°F | 78.0°F | 77.3°F |
| St. George Island | 77.8°F | 79.2°F | 79.1°F |
| Maui | 77.0°F | 77.5°F | 76.1°F |
| Pensacola | 76.9°F | 80.1°F | 79.4°F |
| Panama City Beach | 76.8°F | 79.0°F | 78.6°F |
| St. Augustine | 76.7°F | 76.9°F | 77.4°F |
| Jekyll Island | 76.5°F | 78.4°F | 77.7°F |
| Santa Rosa Beach | 76.4°F | 78.8°F | 77.7°F |
| Orange Beach | 76.3°F | 79.8°F | 78.7°F |
| Kauai | 76.3°F | 75.1°F | 76.6°F |
| St. Simons Island | 76.2°F | 77.9°F | 77.3°F |
| Pensacola Beach | 76.2°F | 79.6°F | 78.7°F |
| Oahu | 76.1°F | 77.1°F | 75.6°F |
| Destin | 75.9°F | 78.7°F | 78.1°F |
| Jacksonville | 75.9°F | 77.6°F | 77.1°F |
| Fort Walton Beach | 75.8°F | 78.5°F | 77.8°F |
| Amelia Island | 75.7°F | 77.9°F | 77.2°F |
| Tybee Island | 74.8°F | 76.5°F | 76.2°F |
| Hilton Head Island | 74.8°F | 76.7°F | 76.7°F |
| Kiawah Island | 74.1°F | 76.0°F | 75.9°F |
| Charleston (SC) | 73.9°F | 75.5°F | 75.3°F |
| Isle of Palms | 73.8°F | 75.4°F | 75.4°F |
| North Myrtle Beach | 72.2°F | 74.4°F | 73.4°F |
| Bald Head Island | 72.2°F | 74.7°F | 74.4°F |
| Myrtle Beach | 72.0°F | 74.4°F | 73.2°F |
| Carolina Beach | 70.8°F | 73.4°F | 72.2°F |
| Wilmington (NC) | 70.3°F | 72.6°F | 71.4°F |
| Outer Banks | 68.5°F | 70.7°F | 66.4°F |
| Washington | 67.3°F | 69.1°F | 71.1°F |
| Kill Devil Hills | 66.1°F | 69.4°F | 67.5°F |
| San Jose | 64.6°F | 62.0°F | 62.9°F |
| San Diego | 64.5°F | 63.0°F | 63.2°F |
| Laguna Beach | 64.3°F | 64.0°F | 61.6°F |
| Baltimore | 64.0°F | 65.2°F | 66.7°F |
| Irvine | 64.0°F | 63.7°F | 61.5°F |
| Santa Catalina Island | 64.0°F | 62.7°F | 61.8°F |
| Newport Beach | 63.8°F | 63.5°F | 61.3°F |
| Virginia Beach | 63.8°F | 66.7°F | 66.2°F |
| Beverly Hills | 63.3°F | 63.4°F | 60.6°F |
| Hollywood | 63.3°F | 63.4°F | 60.6°F |
| Santa Monica | 63.3°F | 63.4°F | 60.4°F |
| Los Angeles | 62.7°F | 63.1°F | 60.2°F |
| Long Beach (CA) | 62.0°F | 62.2°F | 59.1°F |
| Malibu | 61.7°F | 61.8°F | 58.7°F |
| Port Clinton | 60.2°F | 59.6°F | 62.4°F |
| Santa Barbara | 59.4°F | 60.1°F | 57.5°F |
| Dewey Beach | 58.8°F | 59.4°F | 60.2°F |
| Ocean City (MD) | 58.7°F | 60.7°F | 60.1°F |
| Bethany Beach | 58.5°F | 59.6°F | 59.7°F |
| Rehoboth Beach | 58.5°F | 59.3°F | 60.0°F |
| San Francisco | 58.4°F | 58.5°F | 57.3°F |
| Cape May | 57.4°F | 58.8°F | 59.0°F |
| Jersey City | 57.0°F | 57.3°F | 59.3°F |
| New York | 57.0°F | 57.3°F | 59.2°F |
| Atlantic City | 56.9°F | 59.2°F | 58.5°F |
| Sea Isle City | 56.6°F | 58.1°F | 57.8°F |
| Santa Cruz | 55.9°F | 55.1°F | 54.4°F |
| New Bedford | 55.5°F | 56.4°F | 55.4°F |
| Long Beach Island | 55.1°F | 57.8°F | 56.8°F |
| Monterey | 54.7°F | 54.8°F | 55.1°F |
| Chicago | 54.4°F | 52.1°F | 55.2°F |
| Yosemite | 54.2°F | 54.4°F | 54.4°F |
| South Lake Tahoe | 54.1°F | 51.5°F | 52.5°F |
| Cannon Beach | 54.1°F | 53.9°F | 52.8°F |
| Tacoma | 53.8°F | 52.1°F | 51.9°F |
| Lake Tahoe | 53.5°F | 50.7°F | 51.1°F |
| Martha's Vineyard | 53.4°F | 55.1°F | 52.9°F |
| Bellevue | 53.4°F | 52.2°F | 52.3°F |
| Nantucket | 53.2°F | 53.2°F | 52.3°F |
| Boston | 53.0°F | 53.0°F | 53.9°F |
| Michigan City | 52.8°F | 53.1°F | 54.9°F |
| Florence | 52.0°F | 51.6°F | 51.0°F |
| Holland | 50.4°F | 48.3°F | 54.4°F |
| Hampton Beach | 49.6°F | 49.2°F | 51.8°F |
| Niagara Falls | 49.3°F | 48.9°F | 54.2°F |
| Old Orchard Beach | 48.8°F | 48.5°F | 51.1°F |
| Milwaukee | 47.5°F | 47.9°F | 50.9°F |
| Anchorage | 40.8°F | 45.0°F | 43.3°F |
Charts below show average sea water temperature for USA resorts with the warmest sea in May.
You can also check other months of the year to see sea temperature of USA resorts at that time.
Places in USA:
Name
°F
