The USA resorts with the warmest sea water temperature in July are Key West, Clearwater Beach and Sanibel Island.
Below you can see a list of all popular USA resorts and information about sea water temperature in July for the last two years.
| Resort Name | July 2026 | July 2025 | July 2024 |
|---|---|---|---|
| Key West | 93.4°F | 90.8°F | 91.7°F |
| Clearwater Beach | 93.3°F | 91.2°F | 92.6°F |
| Sanibel Island | 93.1°F | 91.0°F | 91.9°F |
| Islamorada | 93.1°F | 90.5°F | 91.6°F |
| St. Petersburg | 92.9°F | 91.2°F | 92.3°F |
| Key Largo | 92.9°F | 90.3°F | 91.2°F |
| Marco Island | 92.8°F | 90.7°F | 91.6°F |
| Sarasota | 92.7°F | 91.0°F | 92.1°F |
| Siesta Key | 92.6°F | 91.0°F | 92.1°F |
| Tampa | 92.6°F | 90.9°F | 91.5°F |
| Everglades | 92.5°F | 90.0°F | 92.1°F |
| Grand Isle | 92.4°F | 92.5°F | 91.9°F |
| Cape Coral | 92.4°F | 90.5°F | 91.4°F |
| Naples | 92.3°F | 90.6°F | 91.3°F |
| Miami | 91.7°F | 90.4°F | 91.0°F |
| Biloxi | 91.7°F | 91.2°F | 91.1°F |
| Ocean Springs | 91.6°F | 91.2°F | 91.1°F |
| Orange Beach | 91.5°F | 90.8°F | 90.8°F |
| Gulf Shores | 91.4°F | 90.9°F | 90.9°F |
| Dauphin Island | 91.4°F | 91.3°F | 91.1°F |
| New Orleans | 91.4°F | 91.6°F | 91.2°F |
| Long Beach | 91.4°F | 91.3°F | 90.8°F |
| Gulfport | 91.4°F | 91.2°F | 90.7°F |
| Pass Christian | 91.3°F | 91.4°F | 90.8°F |
| Hialeah | 91.3°F | 90.1°F | 90.7°F |
| Pensacola Beach | 91.2°F | 90.8°F | 91.2°F |
| Bay Saint Louis | 91.2°F | 91.3°F | 90.8°F |
| Miami Beach | 91.2°F | 90.0°F | 90.6°F |
| Pensacola | 91.2°F | 90.9°F | 91.4°F |
| Miramar Beach | 91.1°F | 90.3°F | 90.7°F |
| Destin | 91.0°F | 90.3°F | 90.7°F |
| Fort Lauderdale | 90.9°F | 88.8°F | 90.0°F |
| Avery Island | 90.9°F | 91.3°F | 90.8°F |
| Galveston Island | 90.9°F | 90.4°F | 90.4°F |
| Houston | 90.8°F | 90.4°F | 90.4°F |
| St. George Island | 90.8°F | 90.4°F | 91.0°F |
| Fort Walton Beach | 90.7°F | 90.1°F | 90.4°F |
| Galveston | 90.6°F | 90.5°F | 90.4°F |
| Panama City Beach | 90.6°F | 90.4°F | 90.9°F |
| Santa Rosa Beach | 90.5°F | 90.2°F | 90.7°F |
| West Palm Beach | 90.2°F | 88.5°F | 89.6°F |
| Mobile | 90.1°F | 89.7°F | 90.7°F |
| Edisto Beach | 90.1°F | 89.2°F | 89.6°F |
| Hilton Head Island | 89.9°F | 89.7°F | 90.0°F |
| Jekyll Island | 89.9°F | 88.4°F | 89.2°F |
| Wilmington Island | 89.7°F | 89.1°F | 89.7°F |
| Kiawah Island | 89.7°F | 88.7°F | 89.1°F |
| Tybee Island | 89.7°F | 89.3°F | 89.8°F |
| St. Simons Island | 89.6°F | 88.3°F | 89.2°F |
| Corpus Christi | 89.5°F | 89.2°F | 90.6°F |
| Folly Beach | 89.5°F | 88.5°F | 89.1°F |
| Charleston | 89.4°F | 88.5°F | 89.2°F |
| Mount Pleasant | 89.3°F | 88.3°F | 89.0°F |
| Isle of Palms | 89.2°F | 88.1°F | 88.9°F |
| Amelia Island | 89.2°F | 84.7°F | 87.3°F |
| Port St. Lucie | 89.2°F | 85.8°F | 88.6°F |
| Jacksonville | 89.0°F | 83.8°F | 87.2°F |
| Port Aransas | 88.6°F | 88.3°F | 89.9°F |
| Mustang Island | 88.5°F | 88.0°F | 89.8°F |
| Murrells Inlet | 88.5°F | 85.2°F | 87.6°F |
| St. Augustine | 88.5°F | 84.4°F | 86.8°F |
| Cocoa Beach | 88.5°F | 87.6°F | 88.9°F |
| Bald Head Island | 88.5°F | 87.6°F | 88.2°F |
| Myrtle Beach | 88.4°F | 85.4°F | 87.8°F |
| Arcadian Shores | 88.4°F | 85.8°F | 88.1°F |
| North Myrtle Beach | 88.3°F | 86.4°F | 88.2°F |
| Oak Island | 88.3°F | 87.5°F | 88.3°F |
| Pawleys Island | 88.3°F | 85.2°F | 87.5°F |
| Washington | 87.6°F | 88.6°F | 87.7°F |
| Daytona Beach | 86.9°F | 83.8°F | 86.3°F |
| Chesapeake | 86.9°F | 87.8°F | 84.3°F |
| Carolina Beach | 86.8°F | 85.3°F | 86.7°F |
| Orlando | 86.7°F | 84.7°F | 86.8°F |
| North Topsail Beach | 86.7°F | 84.7°F | 85.8°F |
| Saint Michaels | 86.6°F | 88.6°F | 87.0°F |
| Wilmington | 86.4°F | 83.8°F | 85.8°F |
| Wrightsville Beach | 86.3°F | 83.4°F | 85.4°F |
| South Padre Island | 86.1°F | 86.1°F | 89.4°F |
| Tangier Island | 85.9°F | 87.7°F | 85.6°F |
| Norfolk | 85.6°F | 87.1°F | 83.5°F |
| Outer Banks | 85.4°F | 86.0°F | 83.7°F |
| Annapolis | 85.3°F | 87.3°F | 86.1°F |
| Baltimore | 85.1°F | 86.2°F | 85.2°F |
| Hatteras Island | 84.9°F | 85.5°F | 83.9°F |
| Nags Head | 84.9°F | 85.1°F | 82.1°F |
| Kill Devil Hills | 84.7°F | 85.1°F | 82.3°F |
| Kailua Kona | 84.6°F | 83.3°F | 83.1°F |
| Chincoteague | 84.3°F | 83.6°F | 79.0°F |
| Corolla | 84.1°F | 84.9°F | 82.7°F |
| Hilo | 83.6°F | 82.6°F | 82.1°F |
| Port Clinton | 83.5°F | 84.1°F | 80.4°F |
| Sandusky | 83.5°F | 83.0°F | 79.7°F |
| Toledo | 83.3°F | 83.6°F | 80.5°F |
| Kihei | 83.2°F | 82.9°F | 82.1°F |
| New Castle | 83.1°F | 84.6°F | 85.8°F |
| Lanai | 83.0°F | 83.6°F | 82.6°F |
| Honolulu | 82.8°F | 82.8°F | 82.4°F |
| Wilmington | 82.8°F | 84.1°F | 85.6°F |
| Hawaii | 82.7°F | 82.7°F | 82.4°F |
| Molokai | 82.6°F | 82.4°F | 82.1°F |
| Kahului | 82.5°F | 82.2°F | 81.8°F |
| Maui | 82.1°F | 82.0°F | 81.6°F |
| Put in Bay | 81.9°F | 81.9°F | 79.5°F |
| Kauai | 81.7°F | 79.0°F | 81.2°F |
| Princeville | 81.7°F | 79.2°F | 81.1°F |
| Virginia Beach | 81.7°F | 83.5°F | 79.6°F |
| Oahu | 81.4°F | 81.1°F | 81.2°F |
| Ocean City | 80.7°F | 82.3°F | 79.0°F |
| Oshkosh | 80.7°F | 80.2°F | 77.1°F |
| Appleton | 80.5°F | 79.8°F | 77.0°F |
| Cleveland | 80.4°F | 82.5°F | 78.1°F |
| Green Bay | 80.1°F | 78.7°F | 76.5°F |
| Brigantine | 79.4°F | 81.0°F | 77.6°F |
| Long Beach Island | 79.0°F | 80.7°F | 78.7°F |
| Dewey Beach | 79.0°F | 80.7°F | 77.5°F |
| Erie | 78.8°F | 79.8°F | 77.2°F |
| Beach Haven | 78.8°F | 81.0°F | 78.6°F |
| Atlantic City | 78.7°F | 80.3°F | 76.8°F |
| Lewes | 78.5°F | 81.0°F | 78.7°F |
| Bristol | 78.4°F | 78.1°F | 77.8°F |
| Rehoboth Beach | 78.3°F | 80.4°F | 77.7°F |
| Warwick | 78.1°F | 77.8°F | 77.4°F |
| Providence | 78.0°F | 77.5°F | 77.3°F |
| Ocean City | 77.9°F | 80.1°F | 76.4°F |
| Sea Isle City | 77.9°F | 79.2°F | 75.2°F |
| Fire Island | 77.7°F | 78.5°F | 78.2°F |
| Seaside Heights | 77.1°F | 80.0°F | 79.0°F |
| Wildwood Crest | 77.1°F | 80.0°F | 75.4°F |
| Wildwood | 77.1°F | 80.0°F | 75.4°F |
| Buffalo | 77.0°F | 77.4°F | 76.1°F |
| Fenwick Island | 76.9°F | 79.9°F | 73.3°F |
| Cape May | 76.2°F | 79.0°F | 74.7°F |
| Michigan City | 76.1°F | 79.3°F | 73.7°F |
| Bethany Beach | 75.9°F | 78.4°F | 72.3°F |
| South Bethany | 75.9°F | 78.4°F | 72.3°F |
| Newark | 75.8°F | 78.3°F | 76.6°F |
| Jersey City | 75.8°F | 78.3°F | 76.7°F |
| New York | 75.7°F | 78.2°F | 76.6°F |
| New Bedford | 75.5°F | 75.4°F | 75.8°F |
| Hampton Bays | 75.1°F | 77.2°F | 76.3°F |
| Yonkers | 75.0°F | 76.2°F | 74.7°F |
| Newport | 74.9°F | 73.8°F | 73.5°F |
| Niagara Falls | 74.8°F | 75.0°F | 73.8°F |
| Falmouth | 74.7°F | 74.5°F | 75.4°F |
| Jamestown | 74.5°F | 73.3°F | 73.3°F |
| New Haven | 74.5°F | 75.2°F | 75.5°F |
| Dennis Port | 74.3°F | 72.6°F | 75.0°F |
| Milford | 74.0°F | 75.1°F | 74.7°F |
| Stamford | 73.8°F | 75.7°F | 74.5°F |
| Norwalk | 73.7°F | 75.2°F | 74.7°F |
| South Haven | 73.6°F | 77.7°F | 70.4°F |
| Chicago | 73.1°F | 75.8°F | 73.7°F |
| Saugatuck | 73.0°F | 76.9°F | 69.5°F |
| Holland | 72.9°F | 76.5°F | 69.7°F |
| Rochester | 72.5°F | 74.9°F | 75.0°F |
| Oak Park | 72.4°F | 75.7°F | 73.6°F |
| Edgartown | 71.9°F | 71.5°F | 73.0°F |
| Yosemite | 71.8°F | 70.4°F | 70.4°F |
| Traverse City | 71.8°F | 71.2°F | 71.3°F |
| Evanston | 71.7°F | 75.5°F | 73.5°F |
| Sturgeon Bay | 71.7°F | 69.8°F | 69.5°F |
| Nantucket | 71.3°F | 70.7°F | 72.9°F |
| Westbrook | 70.9°F | 73.0°F | 72.8°F |
| Santa Monica | 70.8°F | 69.7°F | 69.9°F |
| Los Angeles | 70.8°F | 69.4°F | 69.9°F |
| Cambridge | 70.8°F | 69.2°F | 67.8°F |
| Beverly Hills | 70.8°F | 69.9°F | 70.0°F |
| Hollywood | 70.8°F | 69.9°F | 70.0°F |
| Laguna Beach | 70.7°F | 69.5°F | 72.3°F |
| Boston | 70.6°F | 69.0°F | 67.7°F |
| Old Saybrook | 70.6°F | 72.8°F | 72.7°F |
| Martha's Vineyard | 70.6°F | 70.2°F | 72.2°F |
| Charlestown | 70.5°F | 71.3°F | 70.9°F |
| Fremont | 70.5°F | 69.6°F | 72.6°F |
| Petoskey | 70.5°F | 69.5°F | 70.5°F |
| Newport Beach | 70.4°F | 69.0°F | 70.7°F |
| San Jose | 70.4°F | 69.5°F | 72.3°F |
| Santa Ana | 70.4°F | 68.7°F | 69.7°F |
| Irvine | 70.3°F | 69.1°F | 71.5°F |
| Harbor Springs | 70.1°F | 69.5°F | 70.4°F |
| Santa Catalina Island | 70.0°F | 70.0°F | 70.8°F |
| Plymouth | 69.9°F | 68.8°F | 69.9°F |
| New London | 69.8°F | 72.2°F | 70.6°F |
| Chatham | 69.8°F | 68.7°F | 71.5°F |
| San Diego | 69.8°F | 67.8°F | 70.0°F |
| Groton | 69.8°F | 72.1°F | 70.5°F |
| Malibu | 69.5°F | 66.5°F | 67.7°F |
| Anaheim | 69.3°F | 67.0°F | 66.7°F |
| Siasconset | 69.3°F | 68.9°F | 70.7°F |
| Stonington | 69.2°F | 71.0°F | 70.3°F |
| Mystic | 69.2°F | 71.0°F | 70.3°F |
| Salem | 69.1°F | 66.9°F | 64.6°F |
| Hampton | 69.1°F | 65.4°F | 63.0°F |
| Hampton Beach | 69.1°F | 65.4°F | 63.0°F |
| Chula Vista | 69.1°F | 67.3°F | 69.6°F |
| Charlevoix | 69.0°F | 68.3°F | 68.9°F |
| Block Island | 68.9°F | 70.5°F | 70.6°F |
| New Shoreham | 68.9°F | 70.5°F | 70.6°F |
| Westerly | 68.9°F | 70.4°F | 69.9°F |
| Provincetown | 68.8°F | 69.4°F | 67.4°F |
| Mackinac Island | 68.7°F | 67.6°F | 67.2°F |
| Montauk | 68.6°F | 71.0°F | 70.4°F |
| Freeport | 68.2°F | 66.3°F | 66.8°F |
| Long Beach | 68.0°F | 65.3°F | 64.6°F |
| Portsmouth | 67.8°F | 64.5°F | 62.3°F |
| Brunswick | 67.1°F | 65.2°F | 66.9°F |
| Old Orchard Beach | 67.0°F | 65.0°F | 63.4°F |
| South Lake Tahoe | 66.7°F | 68.4°F | 71.8°F |
| Oakland | 66.4°F | 64.2°F | 67.0°F |
| Santa Barbara | 66.4°F | 65.2°F | 65.0°F |
| Incline Village | 66.3°F | 68.1°F | 71.2°F |
| Oxnard | 66.2°F | 65.2°F | 64.2°F |
| Kennebunkport | 66.2°F | 64.7°F | 62.5°F |
| York Beach | 66.1°F | 64.6°F | 62.5°F |
| Bayfield | 66.0°F | 64.5°F | 67.4°F |
| Camden | 66.0°F | 61.1°F | 64.5°F |
| Ogunquit | 65.9°F | 64.6°F | 62.5°F |
| Stateline | 65.9°F | 68.3°F | 71.6°F |
| Wells | 65.8°F | 64.6°F | 62.3°F |
| Astoria | 65.2°F | 66.4°F | 66.3°F |
| Lake Tahoe | 65.0°F | 67.3°F | 70.7°F |
| Duluth | 64.5°F | 64.9°F | 68.3°F |
| San Francisco | 64.4°F | 62.1°F | 63.4°F |
| Milwaukee | 64.2°F | 70.7°F | 70.5°F |
| Sausalito | 64.0°F | 62.3°F | 63.8°F |
| Rockland | 63.4°F | 58.8°F | 61.6°F |
| Marquette | 61.7°F | 62.0°F | 64.2°F |
| Mount Desert Island | 60.5°F | 59.1°F | 62.0°F |
| Bellingham | 60.2°F | 61.7°F | 63.5°F |
| Santa Cruz | 60.2°F | 55.2°F | 58.4°F |
| Bar Harbor | 59.8°F | 58.2°F | 61.4°F |
| Monterey | 59.3°F | 57.8°F | 57.6°F |
| Tacoma | 58.2°F | 59.1°F | 60.1°F |
| Whidbey Island | 58.1°F | 59.2°F | 60.5°F |
| Ketchikan | 57.8°F | 58.3°F | 58.8°F |
| Bellevue | 57.4°F | 58.4°F | 59.3°F |
| Anchorage | 56.7°F | 57.2°F | 57.5°F |
| Ocean Shores | 56.3°F | 54.0°F | 55.6°F |
| Seaside | 55.9°F | 53.7°F | 53.7°F |
| Cannon Beach | 55.4°F | 53.1°F | 53.7°F |
| Girdwood | 54.3°F | 55.4°F | 53.8°F |
| Valdez | 53.9°F | 55.9°F | 57.6°F |
| Juneau | 53.9°F | 54.7°F | 56.5°F |
| Sitka | 53.8°F | 55.4°F | 55.1°F |
| Rockaway Beach | 53.7°F | 51.5°F | 52.9°F |
| Pacific City | 53.2°F | 51.0°F | 51.1°F |
| Seward | 52.8°F | 55.1°F | 54.2°F |
| Kenai | 52.8°F | 55.2°F | 53.9°F |
| Wasilla | 52.8°F | 53.9°F | 53.5°F |
| Homer | 52.5°F | 53.4°F | 52.4°F |
| Haines | 52.5°F | 54.0°F | 54.8°F |
| Port Angeles | 51.9°F | 52.2°F | 52.6°F |
| Lincoln City | 51.5°F | 50.1°F | 50.4°F |
| Newport | 51.0°F | 51.5°F | 50.1°F |
| Depoe Bay | 50.8°F | 50.4°F | 50.7°F |
| Florence | 50.3°F | 49.5°F | 49.5°F |
| Grand Marais | 40.6°F | 54.0°F | 57.9°F |
| Kissimmee | 30.0°F | 30.0°F | 30.0°F |
| Lake Geneva | 30.0°F | 30.0°F | 30.0°F |
Please see following sea water temperature averages charts for the warmest USA resorts in July.
You can also get the same information for the every other month of the year when the average sea water temperature is greater then 70°F.
Sea Water
Temperature
Temperature
| Key West |
Sea Water
Temperature
Temperature
| Clearwater Beach |
Sea Water
Temperature
Temperature
| Sanibel Island |
USA Resorts:
NAME
F°
| Boston |  |
+94 |
| Chicago | |
+88 |
| Hawaii |  |
+80 |
| Houston |  |
+90 |
| Las Vegas | |
+120 |
| Los Angeles | |
+106 |
| Maui |  |
+76 |
| Miami | |
+100 |
| Myrtle Beach | |
+96 |
| New York | |
+114 |
| San Diego | |
+96 |
| San Francisco | |
+76 |
| Santa Monica | |
+84 |
| Sarasota | |
+102 |
| Tampa | |
+100 |
