In May warmest sea in USA is usually observed in the following locations: Key West, Miami, Naples.
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 |
| Miami | 83.3°F | 82.6°F | 83.3°F |
| Naples | 82.9°F | 83.5°F | 83.8°F |
| Miami Beach | 82.7°F | 82.4°F | 83.0°F |
| St. Petersburg | 82.0°F | 82.6°F | 82.4°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 |
| Cocoa Beach | 80.4°F | 79.4°F | 80.0°F |
| Corpus Christi | 79.5°F | 80.9°F | 81.0°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 |
| Hilo | 78.1°F | 77.7°F | 76.2°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 |
| Molokai | 77.7°F | 78.0°F | 77.0°F |
| Maui | 77.0°F | 77.5°F | 76.1°F |
| Panama City Beach | 76.8°F | 79.0°F | 78.6°F |
| St. Augustine | 76.7°F | 76.9°F | 77.4°F |
| Kauai | 76.3°F | 75.1°F | 76.6°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 |
| Tybee Island | 74.8°F | 76.5°F | 76.2°F |
| Charleston (SC) | 73.9°F | 75.5°F | 75.3°F |
| Isle of Palms | 73.8°F | 75.4°F | 75.4°F |
| Pawleys Island | 72.5°F | 74.0°F | 73.2°F |
| Myrtle Beach | 72.0°F | 74.4°F | 73.2°F |
| North Topsail Beach | 70.5°F | 72.4°F | 71.5°F |
| Wilmington (NC) | 70.3°F | 72.6°F | 71.4°F |
| Wrightsville Beach | 70.3°F | 72.4°F | 71.0°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 |
| Tangier Island | 64.4°F | 67.9°F | 67.1°F |
| Baltimore | 64.0°F | 65.2°F | 66.7°F |
| Irvine | 64.0°F | 63.7°F | 61.5°F |
| Virginia Beach | 63.8°F | 66.7°F | 66.2°F |
| Hollywood | 63.3°F | 63.4°F | 60.6°F |
| Beverly Hills | 63.3°F | 63.4°F | 60.6°F |
| Santa Monica | 63.3°F | 63.4°F | 60.4°F |
| Wilmington (DE) | 63.2°F | 62.6°F | 64.2°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 |
| Santa Barbara | 59.4°F | 60.1°F | 57.5°F |
| Rehoboth Beach | 58.5°F | 59.3°F | 60.0°F |
| San Francisco | 58.4°F | 58.5°F | 57.3°F |
| Appleton | 57.5°F | 58.1°F | 60.2°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 |
| Beach Haven | 56.0°F | 58.5°F | 57.2°F |
| Cleveland | 55.6°F | 56.8°F | 59.4°F |
| New Bedford | 55.5°F | 56.4°F | 55.4°F |
| Green Bay | 55.4°F | 57.9°F | 59.0°F |
| Yonkers | 55.3°F | 57.0°F | 58.1°F |
| Monterey | 54.7°F | 54.8°F | 55.1°F |
| New Haven | 54.4°F | 54.6°F | 56.2°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 |
| Rockaway Beach | 53.5°F | 54.2°F | 53.1°F |
| Lake Tahoe | 53.5°F | 50.7°F | 51.1°F |
| Bellevue | 53.4°F | 52.2°F | 52.3°F |
| Nantucket | 53.2°F | 53.2°F | 52.3°F |
| Cambridge | 53.2°F | 53.0°F | 53.9°F |
| Boston | 53.0°F | 53.0°F | 53.9°F |
| Michigan City | 52.8°F | 53.1°F | 54.9°F |
| Erie | 52.7°F | 52.6°F | 55.9°F |
| Florence | 52.0°F | 51.6°F | 51.0°F |
| Newport (OR) | 51.8°F | 53.1°F | 51.0°F |
| Depoe Bay | 51.6°F | 53.2°F | 51.3°F |
| Westbrook | 51.5°F | 52.5°F | 53.9°F |
| Montauk | 50.6°F | 52.3°F | 52.1°F |
| Buffalo (NY) | 50.4°F | 50.0°F | 55.3°F |
| Holland | 50.4°F | 48.3°F | 54.4°F |
| Hampton | 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 |
| Wells | 48.7°F | 48.6°F | 51.1°F |
| Rockland | 47.9°F | 46.6°F | 49.1°F |
| Sitka | 46.1°F | 47.5°F | 47.7°F |
| Bar Harbor | 45.9°F | 45.9°F | 48.3°F |
| Seward | 44.8°F | 45.6°F | 45.3°F |
| Juneau | 44.4°F | 45.2°F | 46.8°F |
| Valdez | 43.9°F | 46.8°F | 47.3°F |
| Girdwood | 42.0°F | 44.1°F | 43.3°F |
| Anchorage | 40.8°F | 45.0°F | 43.3°F |
| Wasilla | 40.6°F | 44.7°F | 43.8°F |
| Marquette | 39.4°F | 39.9°F | 42.5°F |
| Grand Marais | 35.4°F | 36.5°F | 37.5°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
