In May warmest sea in USA is usually observed in the following locations: Everglades, Key West, Key Largo.
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 | 84.6°F | 84.5°F | 84.6°F |
| 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 |
| Marco Island | 83.2°F | 83.5°F | 84.0°F |
| Hialeah | 82.9°F | 82.3°F | 83.0°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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| Santa Cruz | 55.9°F | 55.1°F | 54.4°F |
| Cleveland | 55.6°F | 56.8°F | 59.4°F |
| New Bedford | 55.5°F | 56.4°F | 55.4°F |
| Yonkers | 55.3°F | 57.0°F | 58.1°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 |
| Incline Village | 53.5°F | 51.2°F | 51.8°F |
| Stamford | 53.5°F | 55.2°F | 57.0°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 |
| Siasconset | 51.5°F | 51.5°F | 50.8°F |
| Buffalo (NY) | 50.4°F | 50.0°F | 55.3°F |
| Holland | 50.4°F | 48.3°F | 54.4°F |
| New Shoreham | 50.3°F | 52.0°F | 51.5°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 |
| Milwaukee | 47.5°F | 47.9°F | 50.9°F |
| Sitka | 46.1°F | 47.5°F | 47.7°F |
| Haines | 45.3°F | 45.4°F | 47.0°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 |
| Traverse City | 41.1°F | 41.5°F | 47.8°F |
| Anchorage | 40.8°F | 45.0°F | 43.3°F |
| Marquette | 39.4°F | 39.9°F | 42.5°F |
| Grand Marais | 35.4°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
