In May warmest sea in USA is usually observed in the following locations: Everglades, Islamorada, Key West.
Table below shows the average sea water temperature for marine resorts of USA in May for the last three years.
| Place name | May 2025 | May 2024 | May 2023 |
|---|---|---|---|
| Everglades | 84.5°F | 84.6°F | 83.3°F |
| Islamorada | 83.6°F | 84.4°F | 83.2°F |
| Key West | 83.5°F | 84.6°F | 83.7°F |
| Naples | 83.5°F | 83.8°F | 82.3°F |
| Marco Island | 83.5°F | 84.0°F | 82.5°F |
| Key Largo | 83.5°F | 84.1°F | 83.3°F |
| Cape Coral | 83.4°F | 83.6°F | 82.2°F |
| Sanibel Island | 83.1°F | 83.2°F | 82.3°F |
| Tampa | 82.7°F | 82.5°F | 80.4°F |
| Sarasota | 82.7°F | 82.9°F | 80.8°F |
| St. Petersburg | 82.6°F | 82.4°F | 80.4°F |
| Clearwater Beach | 82.6°F | 82.5°F | 80.2°F |
| Miami | 82.6°F | 83.3°F | 81.7°F |
| Siesta Key | 82.5°F | 82.6°F | 80.6°F |
| Miami Beach | 82.4°F | 83.0°F | 81.6°F |
| Fort Lauderdale | 81.1°F | 81.7°F | 80.8°F |
| West Palm Beach | 81.1°F | 81.5°F | 80.6°F |
| Corpus Christi | 80.9°F | 81.0°F | 79.9°F |
| Pensacola | 80.1°F | 79.4°F | 77.0°F |
| South Padre Island | 80.0°F | 81.1°F | 78.8°F |
| Pass Christian | 79.8°F | 79.8°F | 78.3°F |
| Galveston Island | 79.8°F | 79.9°F | 78.6°F |
| Orange Beach | 79.8°F | 78.7°F | 76.9°F |
| Bay Saint Louis | 79.8°F | 79.6°F | 78.3°F |
| Galveston | 79.6°F | 79.5°F | 78.3°F |
| Pensacola Beach | 79.6°F | 78.7°F | 76.7°F |
| Houston | 79.5°F | 78.9°F | 77.5°F |
| New Orleans | 79.5°F | 79.9°F | 79.0°F |
| Cocoa Beach | 79.4°F | 80.0°F | 78.7°F |
| Kailua Kona | 79.1°F | 78.2°F | 78.6°F |
| Panama City Beach | 79.0°F | 78.6°F | 77.3°F |
| Santa Rosa Beach | 78.8°F | 77.7°F | 76.4°F |
| Destin | 78.7°F | 78.1°F | 76.3°F |
| Fort Walton Beach | 78.5°F | 77.8°F | 76.3°F |
| Jekyll Island | 78.4°F | 77.7°F | 75.4°F |
| Honolulu | 78.1°F | 77.6°F | 77.3°F |
| Hawaii | 78.0°F | 77.3°F | 77.0°F |
| Jacksonville | 77.6°F | 77.1°F | 75.0°F |
| Mobile | 77.5°F | 78.2°F | 76.9°F |
| Maui | 77.5°F | 76.1°F | 76.4°F |
| Orlando | 77.2°F | 77.6°F | 77.5°F |
| Oahu | 77.1°F | 75.6°F | 76.6°F |
| St. Augustine | 76.9°F | 77.4°F | 76.0°F |
| Tybee Island | 76.5°F | 76.2°F | 73.7°F |
| Daytona Beach | 76.0°F | 77.2°F | 77.1°F |
| Charleston (SC) | 75.5°F | 75.3°F | 72.6°F |
| Kauai | 75.1°F | 76.6°F | 77.3°F |
| Myrtle Beach | 74.4°F | 73.2°F | 71.3°F |
| Carolina Beach | 73.4°F | 72.2°F | 70.4°F |
| Wilmington (NC) | 72.6°F | 71.4°F | 70.2°F |
| Washington | 69.1°F | 71.1°F | 66.5°F |
| Virginia Beach | 66.7°F | 66.2°F | 63.7°F |
| Baltimore | 65.2°F | 66.7°F | 62.7°F |
| Laguna Beach | 64.0°F | 61.6°F | 62.4°F |
| Irvine | 63.7°F | 61.5°F | 62.3°F |
| Newport Beach | 63.5°F | 61.3°F | 62.3°F |
| Santa Monica | 63.4°F | 60.4°F | 61.3°F |
| Beverly Hills | 63.4°F | 60.6°F | 61.3°F |
| Hollywood | 63.4°F | 60.6°F | 61.3°F |
| Los Angeles | 63.1°F | 60.2°F | 60.9°F |
| San Diego | 63.0°F | 63.2°F | 62.2°F |
| Santa Catalina Island | 62.7°F | 61.8°F | 61.6°F |
| Anaheim | 62.6°F | 60.2°F | 61.5°F |
| Long Beach (CA) | 62.2°F | 59.1°F | 60.6°F |
| San Jose | 62.0°F | 62.9°F | 61.4°F |
| Malibu | 61.8°F | 58.7°F | 60.0°F |
| Oakland | 61.3°F | 58.3°F | 58.5°F |
| Ocean City (MD) | 60.7°F | 60.1°F | 61.2°F |
| Santa Barbara | 60.1°F | 57.5°F | 58.9°F |
| Bethany Beach | 59.6°F | 59.7°F | 60.5°F |
| Rehoboth Beach | 59.3°F | 60.0°F | 60.7°F |
| Cape May | 58.8°F | 59.0°F | 59.6°F |
| San Francisco | 58.5°F | 57.3°F | 56.8°F |
| Bristol | 57.9°F | 57.0°F | 58.3°F |
| Providence | 57.6°F | 57.1°F | 57.7°F |
| Jersey City | 57.3°F | 59.3°F | 57.3°F |
| New York | 57.3°F | 59.2°F | 57.2°F |
| Cleveland | 56.8°F | 59.4°F | 53.5°F |
| Stamford | 55.2°F | 57.0°F | 55.6°F |
| Martha's Vineyard | 55.1°F | 52.9°F | 55.9°F |
| Santa Cruz | 55.1°F | 54.4°F | 55.9°F |
| Monterey | 54.8°F | 55.1°F | 55.2°F |
| Yosemite | 54.4°F | 54.4°F | 54.2°F |
| Nantucket | 53.2°F | 52.3°F | 54.8°F |
| Michigan City | 53.1°F | 54.9°F | 50.7°F |
| Boston | 53.0°F | 53.9°F | 54.5°F |
| Bellevue | 52.2°F | 52.3°F | 53.6°F |
| Chicago | 52.1°F | 55.2°F | 51.2°F |
| Tacoma | 52.1°F | 51.9°F | 53.9°F |
| Florence | 51.6°F | 51.0°F | 52.2°F |
| South Lake Tahoe | 51.5°F | 52.5°F | 53.6°F |
| Lake Tahoe | 50.7°F | 51.1°F | 52.8°F |
| Buffalo (NY) | 50.0°F | 55.3°F | 49.8°F |
| Provincetown | 49.9°F | 51.0°F | 51.7°F |
| Niagara Falls | 48.9°F | 54.2°F | 48.4°F |
| Holland | 48.3°F | 54.4°F | 47.5°F |
| Milwaukee | 47.9°F | 50.9°F | 48.1°F |
| Sitka | 47.5°F | 47.7°F | 47.6°F |
| Juneau | 45.2°F | 46.8°F | 45.5°F |
| Anchorage | 45.0°F | 43.3°F | 41.8°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
