The USA resorts with the warmest sea water temperature in July are Islamorada, Key West and Key Largo.
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 2023 | July 2022 | July 2021 |
|---|---|---|---|
| Islamorada | 93.9°F | 91.0°F | 89.4°F |
| Key West | 93.8°F | 91.4°F | 89.5°F |
| Key Largo | 93.7°F | 90.9°F | 89.7°F |
| Everglades | 93.4°F | 91.3°F | 90.1°F |
| Marco Island | 93.4°F | 91.1°F | 89.3°F |
| Grand Isle | 93.3°F | 91.8°F | 89.3°F |
| Sanibel Island | 93.3°F | 91.5°F | 89.1°F |
| Naples | 93.1°F | 91.0°F | 89.0°F |
| New Orleans | 92.7°F | 90.6°F | 88.9°F |
| St. Petersburg | 92.6°F | 91.5°F | 89.3°F |
| Avery Island | 92.5°F | 90.9°F | 89.3°F |
| Cape Coral | 92.4°F | 90.9°F | 89.0°F |
| Sarasota | 92.3°F | 91.7°F | 89.1°F |
| Siesta Key | 92.3°F | 91.7°F | 89.1°F |
| Miami | 92.0°F | 91.1°F | 89.2°F |
| Clearwater Beach | 91.9°F | 91.6°F | 89.3°F |
| Miami Beach | 91.9°F | 90.7°F | 88.7°F |
| Tampa | 91.9°F | 91.3°F | 89.1°F |
| Hialeah | 91.8°F | 90.8°F | 88.9°F |
| Bay Saint Louis | 91.7°F | 90.9°F | 88.6°F |
| Houston | 91.5°F | 91.2°F | 89.8°F |
| Pass Christian | 91.5°F | 90.9°F | 88.6°F |
| Ocean Springs | 91.4°F | 90.8°F | 88.5°F |
| Biloxi | 91.3°F | 90.8°F | 88.5°F |
| Long Beach | 91.1°F | 90.8°F | 88.6°F |
| Fort Lauderdale | 90.9°F | 89.9°F | 87.7°F |
| Gulfport | 90.9°F | 90.8°F | 88.5°F |
| West Palm Beach | 90.7°F | 89.4°F | 87.3°F |
| Galveston Island | 90.4°F | 90.7°F | 89.8°F |
| Corpus Christi | 90.4°F | 90.2°F | 89.8°F |
| Dauphin Island | 90.3°F | 90.3°F | 88.2°F |
| Pensacola | 90.2°F | 89.9°F | 88.2°F |
| Pensacola Beach | 89.8°F | 90.0°F | 88.3°F |
| Galveston | 89.8°F | 90.7°F | 89.5°F |
| Panama City Beach | 89.7°F | 90.4°F | 88.5°F |
| Mobile | 89.6°F | 89.5°F | 87.6°F |
| Miramar Beach | 89.4°F | 89.9°F | 88.2°F |
| Hilton Head Island | 89.4°F | 88.6°F | 87.0°F |
| Orange Beach | 89.3°F | 89.8°F | 88.1°F |
| Santa Rosa Beach | 89.2°F | 89.8°F | 88.1°F |
| Destin | 89.0°F | 89.7°F | 88.2°F |
| Edisto Beach | 89.0°F | 88.0°F | 86.8°F |
| Gulf Shores | 89.0°F | 89.9°F | 88.1°F |
| St. George Island | 88.8°F | 89.9°F | 87.8°F |
| Fort Walton Beach | 88.7°F | 89.5°F | 88.0°F |
| Jekyll Island | 88.7°F | 89.1°F | 86.6°F |
| St. Simons Island | 88.6°F | 88.8°F | 86.7°F |
| Tybee Island | 88.5°F | 88.6°F | 86.4°F |
| Kiawah Island | 88.5°F | 87.9°F | 86.5°F |
| Wilmington Island | 88.5°F | 88.4°F | 86.5°F |
| Bald Head Island | 88.4°F | 86.7°F | 86.2°F |
| Mustang Island | 88.4°F | 89.3°F | 89.4°F |
| Port St. Lucie | 88.4°F | 88.2°F | 86.7°F |
| Oak Island | 88.3°F | 86.7°F | 86.1°F |
| Port Aransas | 88.3°F | 89.1°F | 89.3°F |
| Folly Beach | 88.2°F | 87.8°F | 86.4°F |
| Charleston | 88.2°F | 87.5°F | 86.5°F |
| Mount Pleasant | 88.2°F | 87.3°F | 86.2°F |
| Isle of Palms | 88.1°F | 87.1°F | 86.0°F |
| North Myrtle Beach | 87.7°F | 86.6°F | 85.9°F |
| Arcadian Shores | 87.5°F | 86.6°F | 85.8°F |
| Kissimmee | 87.4°F | 86.8°F | 84.4°F |
| Myrtle Beach | 87.4°F | 86.6°F | 85.7°F |
| Murrells Inlet | 87.3°F | 86.6°F | 85.6°F |
| Amelia Island | 87.1°F | 88.3°F | 85.9°F |
| Cocoa Beach | 87.0°F | 87.6°F | 86.6°F |
| Pawleys Island | 86.9°F | 86.3°F | 85.3°F |
| Jacksonville | 86.8°F | 87.8°F | 85.5°F |
| Carolina Beach | 86.8°F | 85.7°F | 85.0°F |
| Washington | 86.7°F | 86.1°F | 86.7°F |
| St. Augustine | 86.7°F | 87.6°F | 85.5°F |
| Orlando | 86.6°F | 86.7°F | 85.3°F |
| North Topsail Beach | 86.3°F | 85.5°F | 84.9°F |
| Wilmington | 86.3°F | 85.4°F | 84.7°F |
| Daytona Beach | 86.2°F | 86.5°F | 85.1°F |
| Wrightsville Beach | 86.1°F | 85.3°F | 84.6°F |
| South Padre Island | 85.8°F | 86.1°F | 87.3°F |
| Hatteras Island | 85.6°F | 84.1°F | 84.6°F |
| Saint Michaels | 85.6°F | 84.9°F | 85.9°F |
| Chesapeake | 85.5°F | 84.2°F | 84.5°F |
| Tangier Island | 85.3°F | 84.0°F | 85.0°F |
| Norfolk | 85.2°F | 83.4°F | 83.6°F |
| Annapolis | 84.3°F | 84.2°F | 84.7°F |
| Corolla | 84.3°F | 82.7°F | 83.6°F |
| Outer Banks | 84.2°F | 83.1°F | 83.4°F |
| Chincoteague | 83.7°F | 81.8°F | 83.0°F |
| Fire Island | 83.6°F | 78.7°F | 79.3°F |
| Kailua Kona | 83.3°F | 83.3°F | 83.4°F |
| Molokai | 83.3°F | 82.4°F | 83.0°F |
| Lanai | 83.1°F | 82.3°F | 83.0°F |
| Kihei | 83.1°F | 82.3°F | 83.0°F |
| Kill Devil Hills | 83.0°F | 81.5°F | 80.6°F |
| Nags Head | 82.9°F | 81.8°F | 82.0°F |
| Honolulu | 82.9°F | 82.1°F | 82.9°F |
| Hawaii | 82.7°F | 82.0°F | 82.8°F |
| Baltimore | 82.6°F | 83.0°F | 84.1°F |
| Kahului | 82.3°F | 81.5°F | 81.9°F |
| New Castle | 82.2°F | 83.1°F | 84.5°F |
| Kauai | 82.2°F | 81.8°F | 82.6°F |
| Princeville | 82.1°F | 81.8°F | 82.6°F |
| Virginia Beach | 82.0°F | 80.2°F | 80.6°F |
| Maui | 81.9°F | 81.2°F | 81.5°F |
| Hilo | 81.9°F | 82.1°F | 81.7°F |
| Wilmington | 81.7°F | 82.6°F | 83.7°F |
| Oahu | 81.5°F | 81.6°F | 82.2°F |
| Ocean City | 80.7°F | 80.0°F | 81.5°F |
| Long Beach Island | 80.1°F | 79.3°F | 79.6°F |
| Port Clinton | 80.0°F | 79.4°F | 79.9°F |
| Beach Haven | 79.7°F | 78.3°F | 79.5°F |
| Toledo | 79.5°F | 79.8°F | 79.1°F |
| Atlantic City | 79.5°F | 76.9°F | 77.9°F |
| Ocean City | 79.5°F | 77.0°F | 78.4°F |
| Lewes | 79.5°F | 78.4°F | 80.3°F |
| Brigantine | 79.0°F | 76.6°F | 77.6°F |
| Rehoboth Beach | 79.0°F | 78.0°F | 79.5°F |
| Sandusky | 78.9°F | 78.4°F | 78.8°F |
| Cape May | 78.6°F | 76.1°F | 77.4°F |
| Bristol | 78.6°F | 78.0°F | 75.9°F |
| Wildwood Crest | 78.4°F | 75.8°F | 77.0°F |
| Wildwood | 78.4°F | 75.8°F | 77.0°F |
| Warwick | 78.2°F | 77.8°F | 76.1°F |
| Put in Bay | 78.1°F | 78.3°F | 78.5°F |
| Fenwick Island | 78.0°F | 78.2°F | 79.2°F |
| Cleveland | 78.0°F | 76.4°F | 76.9°F |
| Sea Isle City | 78.0°F | 76.0°F | 76.7°F |
| Hampton Bays | 77.8°F | 75.6°F | 76.4°F |
| Seaside Heights | 77.8°F | 76.0°F | 76.9°F |
| Milford | 77.7°F | 75.2°F | 74.8°F |
| Norwalk | 77.7°F | 74.2°F | 74.9°F |
| Appleton | 77.6°F | 77.2°F | 77.7°F |
| Dewey Beach | 77.6°F | 76.3°F | 77.2°F |
| Bethany Beach | 77.6°F | 77.3°F | 77.8°F |
| Providence | 77.6°F | 77.3°F | 75.9°F |
| Newark | 77.5°F | 76.4°F | 76.7°F |
| Jersey City | 77.5°F | 76.4°F | 76.7°F |
| New York | 77.5°F | 76.3°F | 76.6°F |
| Oshkosh | 77.3°F | 77.2°F | 78.1°F |
| Green Bay | 77.3°F | 74.9°F | 77.4°F |
| New Bedford | 77.0°F | 76.5°F | 74.5°F |
| Stamford | 77.0°F | 73.6°F | 74.6°F |
| South Bethany | 76.9°F | 77.3°F | 78.0°F |
| Jamestown | 76.9°F | 75.1°F | 74.5°F |
| Newport | 76.8°F | 75.3°F | 74.0°F |
| New Haven | 76.7°F | 75.4°F | 74.6°F |
| Falmouth | 76.6°F | 75.5°F | 74.4°F |
| Yonkers | 76.1°F | 74.0°F | 75.4°F |
| Erie | 76.0°F | 76.0°F | 74.7°F |
| Dennis Port | 75.0°F | 75.2°F | 73.3°F |
| Edgartown | 74.9°F | 74.1°F | 73.5°F |
| Martha's Vineyard | 74.6°F | 73.7°F | 72.8°F |
| Michigan City | 74.2°F | 74.9°F | 74.2°F |
| Rochester | 74.1°F | 73.5°F | 73.1°F |
| Buffalo | 74.0°F | 73.8°F | 74.0°F |
| South Haven | 73.8°F | 74.1°F | 72.0°F |
| Charlestown | 73.6°F | 71.3°F | 70.6°F |
| New Shoreham | 73.0°F | 70.6°F | 69.7°F |
| Westbrook | 72.9°F | 72.4°F | 71.1°F |
| Old Saybrook | 72.9°F | 72.2°F | 71.0°F |
| Niagara Falls | 72.6°F | 71.5°F | 72.8°F |
| Chicago | 72.6°F | 73.8°F | 72.4°F |
| Westerly | 72.6°F | 70.7°F | 69.1°F |
| Block Island | 72.5°F | 70.1°F | 69.1°F |
| Groton | 72.5°F | 71.3°F | 69.7°F |
| New London | 72.5°F | 71.3°F | 69.7°F |
| Saugatuck | 72.4°F | 73.9°F | 71.2°F |
| Stonington | 72.3°F | 70.9°F | 68.8°F |
| Mystic | 72.3°F | 70.9°F | 68.8°F |
| Nantucket | 72.1°F | 73.4°F | 72.2°F |
| Holland | 72.1°F | 74.0°F | 71.3°F |
| Evanston | 72.1°F | 72.8°F | 71.3°F |
| Oak Park | 72.0°F | 72.9°F | 71.5°F |
| Montauk | 71.7°F | 69.8°F | 68.7°F |
| Provincetown | 71.4°F | 69.4°F | 68.2°F |
| Salem | 71.2°F | 64.3°F | 66.4°F |
| Chatham | 71.0°F | 69.0°F | 68.4°F |
| Sturgeon Bay | 71.0°F | 68.5°F | 71.4°F |
| Freeport | 70.5°F | 67.7°F | 64.7°F |
| Traverse City | 70.4°F | 68.8°F | 70.7°F |
| Yosemite | 70.4°F | 70.4°F | 70.4°F |
| South Lake Tahoe | 70.3°F | 67.9°F | 72.6°F |
| Stateline | 70.1°F | 67.7°F | 72.5°F |
| Hampton Beach | 70.1°F | 62.5°F | 65.0°F |
| Beverly Hills | 69.9°F | 70.0°F | 71.3°F |
| Hollywood | 69.9°F | 70.0°F | 71.3°F |
| Santa Monica | 69.9°F | 70.0°F | 71.3°F |
| Incline Village | 69.8°F | 67.6°F | 73.4°F |
| Santa Catalina Island | 69.7°F | 70.6°F | 71.1°F |
| Hampton | 69.7°F | 62.3°F | 64.8°F |
| Laguna Beach | 69.6°F | 69.3°F | 70.8°F |
| Fremont | 69.5°F | 71.5°F | 70.7°F |
| Plymouth | 69.5°F | 68.4°F | 68.8°F |
| Irvine | 69.5°F | 69.0°F | 70.7°F |
| Newport Beach | 69.4°F | 68.8°F | 70.7°F |
| Boston | 69.3°F | 68.2°F | 68.1°F |
| Cambridge | 69.3°F | 68.2°F | 68.1°F |
| Los Angeles | 69.3°F | 69.6°F | 70.8°F |
| Santa Ana | 69.3°F | 68.5°F | 70.6°F |
| San Jose | 69.2°F | 71.5°F | 70.4°F |
| Astoria | 69.0°F | 65.7°F | 69.4°F |
| Brunswick | 68.8°F | 65.6°F | 64.0°F |
| Lake Tahoe | 68.7°F | 66.1°F | 72.2°F |
| Petoskey | 68.6°F | 68.3°F | 68.2°F |
| Lake Geneva | 68.4°F | 67.7°F | 69.8°F |
| Portsmouth | 68.3°F | 61.5°F | 64.3°F |
| Harbor Springs | 68.3°F | 67.8°F | 67.8°F |
| Old Orchard Beach | 68.3°F | 63.8°F | 63.9°F |
| Milwaukee | 68.3°F | 65.9°F | 68.3°F |
| York Beach | 68.1°F | 62.0°F | 64.3°F |
| Kennebunkport | 68.1°F | 62.0°F | 63.9°F |
| Wells | 68.1°F | 61.9°F | 64.0°F |
| Ogunquit | 68.0°F | 61.7°F | 64.0°F |
| San Diego | 67.6°F | 70.5°F | 71.4°F |
| Charlevoix | 67.5°F | 66.3°F | 66.4°F |
| Anaheim | 67.4°F | 66.4°F | 69.4°F |
| Siasconset | 67.4°F | 68.5°F | 68.0°F |
| Chula Vista | 67.3°F | 70.0°F | 71.1°F |
| Malibu | 67.2°F | 67.9°F | 69.1°F |
| Mackinac Island | 66.9°F | 63.5°F | 66.3°F |
| Camden | 66.1°F | 64.0°F | 61.8°F |
| Bayfield | 65.3°F | 60.3°F | 68.2°F |
| Long Beach | 65.3°F | 64.4°F | 67.6°F |
| Rockland | 65.1°F | 62.0°F | 61.4°F |
| Oakland | 64.8°F | 65.4°F | 67.6°F |
| Santa Barbara | 64.7°F | 66.5°F | 67.6°F |
| Oxnard | 64.2°F | 65.8°F | 68.0°F |
| Duluth | 63.6°F | 58.5°F | 68.8°F |
| Bellingham | 62.8°F | 61.9°F | 66.5°F |
| Sausalito | 62.1°F | 62.6°F | 63.8°F |
| Ketchikan | 61.7°F | 61.2°F | 62.5°F |
| San Francisco | 61.6°F | 62.5°F | 64.7°F |
| Mount Desert Island | 61.6°F | 62.3°F | 60.7°F |
| Bar Harbor | 61.1°F | 61.6°F | 60.2°F |
| Santa Cruz | 60.4°F | 59.9°F | 60.9°F |
| Marquette | 59.8°F | 58.1°F | 64.4°F |
| Whidbey Island | 59.0°F | 60.2°F | 60.7°F |
| Tacoma | 58.4°F | 60.6°F | 62.6°F |
| Ocean Shores | 58.3°F | 59.8°F | 60.4°F |
| Bellevue | 58.3°F | 58.7°F | 60.5°F |
| Monterey | 57.9°F | 57.3°F | 57.6°F |
| Juneau | 57.4°F | 58.5°F | 58.5°F |
| Valdez | 56.4°F | 56.8°F | 57.1°F |
| Sitka | 56.0°F | 55.8°F | 56.2°F |
| Anchorage | 55.5°F | 59.1°F | 58.4°F |
| Haines | 55.1°F | 57.6°F | 56.3°F |
| Seaside | 54.6°F | 58.7°F | 60.0°F |
| Cannon Beach | 54.4°F | 58.8°F | 60.0°F |
| Wasilla | 54.0°F | 54.9°F | 56.3°F |
| Seward | 53.5°F | 57.4°F | 56.7°F |
| Girdwood | 52.8°F | 55.4°F | 57.1°F |
| Newport | 52.7°F | 51.9°F | 51.4°F |
| Depoe Bay | 52.6°F | 52.3°F | 52.6°F |
| Port Angeles | 52.5°F | 51.8°F | 53.2°F |
| Lincoln City | 52.3°F | 53.1°F | 53.6°F |
| Pacific City | 52.1°F | 54.7°F | 56.7°F |
| Rockaway Beach | 51.9°F | 56.6°F | 58.1°F |
| Florence | 51.8°F | 52.6°F | 50.9°F |
| Kenai | 51.7°F | 56.2°F | 54.6°F |
| Homer | 51.0°F | 52.8°F | 53.2°F |
| Grand Marais | 45.8°F | 39.0°F | 61.1°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.
USA Resorts:
NAME
F°
| Boston |  |
+50 |
| Chicago |  |
+48 |
| Hawaii |  |
+76 |
| Honolulu | |
+76 |
| Houston | |
+80 |
| Las Vegas | |
+88 |
| Los Angeles |  |
+64 |
| Miami |  |
+80 |
| New York | |
+50 |
| Orlando | |
+82 |
| San Diego | |
+64 |
| San Francisco | |
+58 |
| Sarasota | |
+76 |
| Tampa | |
+78 |
| Washington | |
+56 |
