In May warmest sea in USA is usually observed in the following locations: Everglades, Key Largo, 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 2026 | May 2025 | May 2024 |
|---|---|---|---|
| Everglades | 84.8°F | 84.5°F | 84.6°F |
| Key Largo | 84.2°F | 83.5°F | 84.1°F |
| Key West | 84.1°F | 83.5°F | 84.6°F |
| Miami | 83.0°F | 82.6°F | 83.3°F |
| Cape Coral | 82.6°F | 83.4°F | 83.6°F |
| Hialeah | 82.5°F | 82.3°F | 83.0°F |
| Marco Island | 82.2°F | 83.5°F | 84.0°F |
| Miami Beach | 82.2°F | 82.4°F | 83.0°F |
| Naples | 82.0°F | 83.5°F | 83.8°F |
| Fort Lauderdale | 81.0°F | 81.1°F | 81.7°F |
| West Palm Beach | 80.9°F | 81.1°F | 81.5°F |
| Tampa | 80.5°F | 82.7°F | 82.5°F |
| St. Petersburg | 80.4°F | 82.6°F | 82.4°F |
| Sarasota | 80.1°F | 82.7°F | 82.9°F |
| Siesta Key | 79.9°F | 82.5°F | 82.6°F |
| Clearwater Beach | 79.9°F | 82.6°F | 82.5°F |
| Cocoa Beach | 78.9°F | 79.4°F | 80.0°F |
| Corpus Christi | 78.5°F | 80.9°F | 81.0°F |
| Hilo | 78.1°F | 77.7°F | 76.2°F |
| Honolulu | 78.0°F | 78.1°F | 77.6°F |
| Hawaii | 77.9°F | 78.0°F | 77.3°F |
| Maui | 77.0°F | 77.5°F | 76.1°F |
| Houston | 76.9°F | 79.5°F | 78.9°F |
| Galveston | 76.9°F | 79.6°F | 79.5°F |
| Orlando | 76.5°F | 77.2°F | 77.6°F |
| Daytona Beach | 76.3°F | 76.0°F | 77.2°F |
| New Orleans | 76.3°F | 79.5°F | 79.9°F |
| Kauai | 76.0°F | 75.1°F | 76.6°F |
| Oahu | 75.9°F | 77.1°F | 75.6°F |
| Pensacola | 74.6°F | 80.1°F | 79.4°F |
| Panama City Beach | 74.3°F | 79.0°F | 78.6°F |
| Destin | 73.6°F | 78.7°F | 78.1°F |
| Jacksonville | 73.3°F | 77.6°F | 77.1°F |
| Charleston (SC) | 70.7°F | 75.5°F | 75.3°F |
| Pawleys Island | 69.6°F | 74.0°F | 73.2°F |
| Myrtle Beach | 69.0°F | 74.4°F | 73.2°F |
| Wilmington (NC) | 67.8°F | 72.6°F | 71.4°F |
| Wrightsville Beach | 67.8°F | 72.4°F | 71.0°F |
| North Topsail Beach | 67.7°F | 72.4°F | 71.5°F |
| San Jose | 64.6°F | 62.0°F | 62.9°F |
| Washington | 64.3°F | 69.1°F | 71.1°F |
| Laguna Beach | 63.9°F | 64.0°F | 61.6°F |
| Irvine | 63.5°F | 63.7°F | 61.5°F |
| San Diego | 63.5°F | 63.0°F | 63.2°F |
| Santa Monica | 62.9°F | 63.4°F | 60.4°F |
| Beverly Hills | 62.8°F | 63.4°F | 60.6°F |
| Hollywood | 62.8°F | 63.4°F | 60.6°F |
| Los Angeles | 62.1°F | 63.1°F | 60.2°F |
| Malibu | 61.7°F | 61.8°F | 58.7°F |
| Tangier Island | 61.6°F | 67.9°F | 67.1°F |
| Long Beach (CA) | 61.2°F | 62.2°F | 59.1°F |
| Baltimore | 61.1°F | 65.2°F | 66.7°F |
| Virginia Beach | 60.9°F | 66.7°F | 66.2°F |
| Santa Barbara | 59.0°F | 60.1°F | 57.5°F |
| San Francisco | 58.5°F | 58.5°F | 57.3°F |
| Santa Cruz | 56.6°F | 55.1°F | 54.4°F |
| Monterey | 55.2°F | 54.8°F | 55.1°F |
| Atlantic City | 54.6°F | 59.2°F | 58.5°F |
| Appleton | 54.1°F | 58.1°F | 60.2°F |
| Jersey City | 53.9°F | 57.3°F | 59.3°F |
| New York | 53.9°F | 57.3°F | 59.2°F |
| Cannon Beach | 53.5°F | 53.9°F | 52.8°F |
| Tacoma | 53.2°F | 52.1°F | 51.9°F |
| Florence | 53.1°F | 51.6°F | 51.0°F |
| Bellevue | 52.9°F | 52.2°F | 52.3°F |
| Green Bay | 52.8°F | 57.9°F | 59.0°F |
| South Lake Tahoe | 52.7°F | 51.5°F | 52.5°F |
| Chicago | 52.6°F | 52.1°F | 55.2°F |
| Yonkers | 52.6°F | 57.0°F | 58.1°F |
| New Bedford | 52.6°F | 56.4°F | 55.4°F |
| Newport (OR) | 52.5°F | 53.1°F | 51.0°F |
| Cleveland | 52.5°F | 56.8°F | 59.4°F |
| Incline Village | 52.4°F | 51.2°F | 51.8°F |
| Lake Tahoe | 52.2°F | 50.7°F | 51.1°F |
| New Haven | 51.9°F | 54.6°F | 56.2°F |
| Yosemite | 51.8°F | 54.4°F | 54.4°F |
| Stamford | 51.3°F | 55.2°F | 57.0°F |
| Cambridge | 51.0°F | 53.0°F | 53.9°F |
| Nantucket | 51.0°F | 53.2°F | 52.3°F |
| Boston | 50.9°F | 53.0°F | 53.9°F |
| Michigan City | 50.8°F | 53.1°F | 54.9°F |
| Siasconset | 49.7°F | 51.5°F | 50.8°F |
| Holland | 48.4°F | 48.3°F | 54.4°F |
| New Shoreham | 47.9°F | 52.0°F | 51.5°F |
| Hampton | 47.4°F | 49.2°F | 51.8°F |
| Buffalo (NY) | 47.2°F | 50.0°F | 55.3°F |
| Old Orchard Beach | 46.2°F | 48.5°F | 51.1°F |
| Niagara Falls | 46.1°F | 48.9°F | 54.2°F |
| Milwaukee | 46.0°F | 47.9°F | 50.9°F |
| Sitka | 45.3°F | 47.5°F | 47.7°F |
| Seward | 44.4°F | 45.6°F | 45.3°F |
| Haines | 43.6°F | 45.4°F | 47.0°F |
| Juneau | 43.2°F | 45.2°F | 46.8°F |
| Valdez | 42.6°F | 46.8°F | 47.3°F |
| Girdwood | 40.3°F | 44.1°F | 43.3°F |
| Traverse City | 38.6°F | 41.5°F | 47.8°F |
| Anchorage | 38.4°F | 45.0°F | 43.3°F |
| Marquette | 38.0°F | 39.9°F | 42.5°F |
| Grand Marais | 34.6°F | 36.5°F | 37.5°F |
| Lake Geneva | 32.0°F | 32.0°F | 32.0°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
