The USA resorts with the warmest sea water temperature in January are Kailua Kona, Lanai and Kihei.
Below you can see a list of all popular USA resorts and information about sea water temperature in January for the last two years.
| Resort Name | January 2026 | January 2025 | January 2024 |
|---|---|---|---|
| Kailua Kona | 81.5°F | 81.4°F | 80.6°F |
| Lanai | 81.1°F | 81.0°F | 80.3°F |
| Kihei | 80.9°F | 80.7°F | 80.3°F |
| Hilo | 80.4°F | 80.3°F | 80.0°F |
| Molokai | 80.3°F | 80.4°F | 79.9°F |
| Honolulu | 80.3°F | 80.7°F | 79.6°F |
| Hawaii | 80.3°F | 80.6°F | 79.4°F |
| Kahului | 80.2°F | 80.1°F | 80.0°F |
| Princeville | 80.0°F | 78.0°F | 78.9°F |
| Kauai | 80.0°F | 77.8°F | 78.9°F |
| Maui | 79.9°F | 79.9°F | 79.8°F |
| West Palm Beach | 79.6°F | 78.3°F | 79.5°F |
| Oahu | 79.0°F | 79.4°F | 78.5°F |
| Fort Lauderdale | 78.8°F | 77.9°F | 78.7°F |
| Miami Beach | 76.8°F | 75.7°F | 77.6°F |
| Islamorada | 75.4°F | 73.7°F | 76.6°F |
| Key West | 75.3°F | 72.5°F | 75.2°F |
| Hialeah | 75.0°F | 74.3°F | 76.4°F |
| Key Largo | 74.2°F | 73.5°F | 76.5°F |
| Miami | 73.7°F | 73.0°F | 75.7°F |
| Everglades | 73.1°F | 70.7°F | 74.0°F |
| Port St. Lucie | 72.5°F | 69.0°F | 75.3°F |
| South Padre Island | 72.0°F | 68.6°F | 66.4°F |
| Marco Island | 70.5°F | 66.9°F | 69.1°F |
| Naples | 70.0°F | 66.4°F | 68.7°F |
| Cape Coral | 69.5°F | 65.9°F | 68.0°F |
| Sanibel Island | 69.1°F | 65.2°F | 67.3°F |
| Cocoa Beach | 69.0°F | 62.1°F | 67.5°F |
| Siesta Key | 67.1°F | 62.8°F | 64.9°F |
| Sarasota | 67.1°F | 62.4°F | 64.7°F |
| Mustang Island | 67.1°F | 60.1°F | 60.9°F |
| Grand Isle | 67.0°F | 62.2°F | 60.9°F |
| Orlando | 66.7°F | 60.9°F | 64.0°F |
| Port Aransas | 66.7°F | 60.1°F | 60.6°F |
| Tampa | 66.2°F | 61.6°F | 64.5°F |
| Daytona Beach | 66.0°F | 60.8°F | 63.3°F |
| Corpus Christi | 65.8°F | 62.9°F | 61.5°F |
| St. Petersburg | 65.4°F | 60.6°F | 63.2°F |
| Fort Walton Beach | 64.9°F | 63.1°F | 59.9°F |
| Destin | 64.4°F | 62.7°F | 59.3°F |
| Miramar Beach | 64.3°F | 62.5°F | 59.0°F |
| Santa Rosa Beach | 63.8°F | 62.3°F | 58.5°F |
| Pensacola Beach | 63.8°F | 62.7°F | 59.7°F |
| Clearwater Beach | 63.5°F | 59.0°F | 62.4°F |
| Santa Catalina Island | 63.2°F | 59.5°F | 61.9°F |
| Newport Beach | 63.0°F | 58.6°F | 61.0°F |
| Santa Ana | 63.0°F | 58.5°F | 61.0°F |
| Laguna Beach | 62.9°F | 58.9°F | 61.0°F |
| Irvine | 62.9°F | 58.7°F | 60.9°F |
| Gulf Shores | 62.9°F | 60.5°F | 58.6°F |
| Anaheim | 62.9°F | 58.0°F | 60.5°F |
| Panama City Beach | 62.9°F | 60.8°F | 57.7°F |
| Long Beach | 62.8°F | 58.2°F | 60.0°F |
| San Diego | 62.8°F | 56.7°F | 60.7°F |
| Los Angeles | 62.7°F | 58.1°F | 60.6°F |
| Chula Vista | 62.7°F | 56.5°F | 60.6°F |
| Santa Monica | 62.7°F | 57.8°F | 60.4°F |
| St. Augustine | 62.6°F | 59.4°F | 61.6°F |
| Beverly Hills | 62.6°F | 57.8°F | 60.4°F |
| Hollywood | 62.6°F | 57.8°F | 60.4°F |
| Malibu | 62.5°F | 57.9°F | 60.4°F |
| Houston | 62.4°F | 60.2°F | 57.8°F |
| Oxnard | 62.2°F | 57.5°F | 60.0°F |
| Galveston Island | 62.2°F | 57.7°F | 57.3°F |
| Orange Beach | 62.0°F | 60.5°F | 57.4°F |
| St. George Island | 61.9°F | 57.2°F | 57.4°F |
| Santa Barbara | 61.7°F | 57.1°F | 59.6°F |
| Galveston | 61.6°F | 57.0°F | 56.5°F |
| Pensacola | 61.6°F | 60.1°F | 56.2°F |
| Hatteras Island | 61.5°F | 53.8°F | 54.4°F |
| Avery Island | 60.8°F | 59.8°F | 54.5°F |
| Dauphin Island | 60.4°F | 57.9°F | 56.3°F |
| Jacksonville | 60.1°F | 56.8°F | 58.9°F |
| New Orleans | 59.9°F | 57.0°F | 54.4°F |
| Bay Saint Louis | 59.2°F | 55.9°F | 54.4°F |
| Mobile | 59.0°F | 57.4°F | 54.9°F |
| Amelia Island | 59.0°F | 54.8°F | 58.0°F |
| Biloxi | 58.8°F | 55.7°F | 53.9°F |
| Ocean Springs | 58.7°F | 56.0°F | 54.0°F |
| Gulfport | 58.7°F | 54.9°F | 53.7°F |
| Monterey | 58.5°F | 54.0°F | 58.0°F |
| Pass Christian | 58.5°F | 55.1°F | 53.9°F |
| Long Beach | 58.2°F | 54.7°F | 53.6°F |
| Santa Cruz | 58.2°F | 54.2°F | 57.2°F |
| Jekyll Island | 55.4°F | 53.0°F | 55.4°F |
| St. Simons Island | 55.2°F | 53.3°F | 55.1°F |
| San Francisco | 54.9°F | 52.9°F | 55.3°F |
| Isle of Palms | 54.7°F | 50.1°F | 54.2°F |
| Charleston | 54.7°F | 49.7°F | 53.8°F |
| Mount Pleasant | 54.6°F | 49.8°F | 54.0°F |
| Sausalito | 54.5°F | 52.5°F | 54.7°F |
| Folly Beach | 54.5°F | 49.7°F | 53.8°F |
| Wilmington Island | 54.4°F | 50.3°F | 53.2°F |
| Kiawah Island | 54.3°F | 49.4°F | 53.5°F |
| Tybee Island | 54.2°F | 50.4°F | 53.4°F |
| Oakland | 54.1°F | 52.8°F | 54.7°F |
| Wrightsville Beach | 53.9°F | 49.9°F | 54.9°F |
| Edisto Beach | 53.9°F | 49.6°F | 53.5°F |
| Fremont | 53.8°F | 52.8°F | 54.0°F |
| San Jose | 53.7°F | 52.8°F | 53.9°F |
| Hilton Head Island | 53.7°F | 49.6°F | 52.9°F |
| Oak Island | 53.4°F | 48.9°F | 52.8°F |
| Wilmington | 53.4°F | 49.6°F | 54.4°F |
| Pawleys Island | 53.1°F | 49.3°F | 55.5°F |
| Bald Head Island | 53.0°F | 48.4°F | 52.6°F |
| Carolina Beach | 52.8°F | 48.8°F | 53.6°F |
| North Topsail Beach | 52.6°F | 48.2°F | 54.1°F |
| Florence | 52.5°F | 51.0°F | 51.9°F |
| Outer Banks | 52.4°F | 44.7°F | 49.4°F |
| North Myrtle Beach | 52.4°F | 48.4°F | 52.4°F |
| Murrells Inlet | 52.2°F | 48.7°F | 54.3°F |
| Arcadian Shores | 52.2°F | 48.7°F | 52.7°F |
| Myrtle Beach | 52.0°F | 48.6°F | 53.4°F |
| Newport | 51.7°F | 51.1°F | 51.9°F |
| Depoe Bay | 51.5°F | 50.7°F | 51.8°F |
| Pacific City | 51.5°F | 50.6°F | 51.4°F |
| Lincoln City | 51.4°F | 50.4°F | 51.6°F |
| Seaside | 51.1°F | 49.9°F | 50.6°F |
| Cannon Beach | 51.0°F | 50.0°F | 50.8°F |
| Rockaway Beach | 50.9°F | 50.2°F | 51.4°F |
| Nags Head | 49.4°F | 43.2°F | 48.0°F |
| Ocean Shores | 48.3°F | 47.2°F | 49.0°F |
| Kill Devil Hills | 48.0°F | 42.4°F | 47.7°F |
| Tacoma | 47.9°F | 47.9°F | 48.1°F |
| Bellevue | 47.8°F | 47.4°F | 47.9°F |
| Port Angeles | 47.6°F | 46.9°F | 47.4°F |
| Corolla | 46.6°F | 42.1°F | 46.5°F |
| Whidbey Island | 46.0°F | 46.0°F | 47.1°F |
| Astoria | 45.9°F | 44.7°F | 48.1°F |
| Bellingham | 45.5°F | 45.7°F | 45.7°F |
| Incline Village | 44.1°F | 42.1°F | 42.8°F |
| Virginia Beach | 44.0°F | 40.2°F | 45.3°F |
| Lake Tahoe | 43.9°F | 42.1°F | 42.7°F |
| Stateline | 43.8°F | 41.9°F | 42.7°F |
| South Lake Tahoe | 43.7°F | 41.7°F | 42.7°F |
| Ketchikan | 41.9°F | 42.5°F | 42.5°F |
| Norfolk | 41.3°F | 38.4°F | 48.5°F |
| Sitka | 40.9°F | 41.7°F | 42.2°F |
| Chesapeake | 40.3°F | 38.5°F | 51.3°F |
| Chincoteague | 40.2°F | 38.4°F | 43.8°F |
| Portsmouth | 40.1°F | 40.0°F | 40.5°F |
| Hampton | 40.1°F | 40.5°F | 40.1°F |
| Hampton Beach | 40.1°F | 40.5°F | 40.1°F |
| Block Island | 39.9°F | 42.4°F | 44.9°F |
| New Shoreham | 39.9°F | 42.4°F | 44.9°F |
| Ocean City | 39.7°F | 38.7°F | 43.6°F |
| Old Orchard Beach | 39.6°F | 40.3°F | 39.9°F |
| Valdez | 39.6°F | 40.0°F | 41.8°F |
| Seward | 39.6°F | 40.0°F | 41.3°F |
| York Beach | 39.5°F | 40.2°F | 40.1°F |
| Kennebunkport | 39.4°F | 40.2°F | 40.0°F |
| Provincetown | 39.3°F | 39.9°F | 42.3°F |
| Fire Island | 39.3°F | 38.6°F | 39.9°F |
| Salem | 39.1°F | 39.5°F | 41.1°F |
| Charlestown | 39.0°F | 41.1°F | 43.9°F |
| Ogunquit | 39.0°F | 40.1°F | 39.8°F |
| Wells | 39.0°F | 40.0°F | 39.9°F |
| Fenwick Island | 38.9°F | 37.9°F | 43.3°F |
| Westerly | 38.9°F | 41.1°F | 43.9°F |
| Chatham | 38.9°F | 38.5°F | 41.4°F |
| Stonington | 38.7°F | 40.6°F | 43.5°F |
| Mystic | 38.7°F | 40.6°F | 43.5°F |
| Bethany Beach | 38.6°F | 37.7°F | 42.8°F |
| South Bethany | 38.6°F | 37.7°F | 42.8°F |
| Rehoboth Beach | 38.4°F | 37.0°F | 42.2°F |
| Tangier Island | 38.4°F | 36.3°F | 42.4°F |
| Dewey Beach | 38.4°F | 37.1°F | 42.2°F |
| Groton | 38.3°F | 40.1°F | 42.9°F |
| New London | 38.3°F | 40.1°F | 42.8°F |
| Montauk | 38.2°F | 39.6°F | 43.7°F |
| Haines | 38.2°F | 38.0°F | 38.5°F |
| Rochester | 38.2°F | 38.9°F | 39.0°F |
| Sea Isle City | 38.1°F | 38.7°F | 42.3°F |
| Martha's Vineyard | 38.1°F | 39.1°F | 40.8°F |
| Yosemite | 38.0°F | 37.9°F | 37.9°F |
| Wildwood Crest | 38.0°F | 37.4°F | 41.7°F |
| Wildwood | 38.0°F | 37.4°F | 41.7°F |
| Ocean City | 37.9°F | 37.7°F | 42.2°F |
| Lewes | 37.9°F | 36.5°F | 41.8°F |
| Cape May | 37.7°F | 36.5°F | 41.6°F |
| Saugatuck | 37.6°F | 38.1°F | 38.6°F |
| Holland | 37.6°F | 38.2°F | 38.8°F |
| Old Saybrook | 37.5°F | 39.4°F | 42.3°F |
| Seaside Heights | 37.5°F | 39.7°F | 43.1°F |
| Newport | 37.4°F | 40.1°F | 42.5°F |
| South Haven | 37.4°F | 37.6°F | 37.8°F |
| Jamestown | 37.4°F | 40.1°F | 42.4°F |
| Atlantic City | 37.3°F | 36.3°F | 41.8°F |
| Homer | 37.3°F | 40.1°F | 39.0°F |
| Siasconset | 37.2°F | 37.1°F | 41.5°F |
| Edgartown | 37.1°F | 37.5°F | 39.9°F |
| Westbrook | 37.0°F | 38.9°F | 42.2°F |
| New York | 37.0°F | 37.8°F | 41.3°F |
| Boston | 36.9°F | 36.9°F | 39.9°F |
| Cambridge | 36.9°F | 36.7°F | 39.7°F |
| Newark | 36.9°F | 37.7°F | 41.2°F |
| Traverse City | 36.8°F | 38.0°F | 38.3°F |
| Jersey City | 36.8°F | 37.7°F | 41.2°F |
| Brunswick | 36.8°F | 38.3°F | 38.9°F |
| Juneau | 36.8°F | 37.9°F | 38.3°F |
| Long Beach Island | 36.8°F | 37.0°F | 42.9°F |
| Brigantine | 36.6°F | 35.6°F | 41.3°F |
| Washington | 36.5°F | 34.1°F | 40.5°F |
| Beach Haven | 36.4°F | 36.4°F | 42.4°F |
| Plymouth | 36.3°F | 37.3°F | 39.9°F |
| Hampton Bays | 36.2°F | 37.3°F | 42.1°F |
| Milwaukee | 36.1°F | 36.3°F | 35.6°F |
| Freeport | 36.1°F | 37.4°F | 38.3°F |
| Michigan City | 36.1°F | 35.1°F | 36.7°F |
| Girdwood | 36.0°F | 35.3°F | 36.1°F |
| Yonkers | 35.9°F | 36.2°F | 40.0°F |
| Norwalk | 35.9°F | 37.2°F | 40.8°F |
| Baltimore | 35.9°F | 36.2°F | 40.5°F |
| Stamford | 35.9°F | 37.4°F | 40.9°F |
| Rockland | 35.8°F | 36.8°F | 38.6°F |
| Milford | 35.6°F | 36.9°F | 40.7°F |
| Annapolis | 35.5°F | 34.4°F | 40.0°F |
| Nantucket | 35.5°F | 35.4°F | 40.7°F |
| Camden | 35.4°F | 36.9°F | 38.5°F |
| Bar Harbor | 35.3°F | 37.3°F | 38.5°F |
| Mount Desert Island | 35.1°F | 36.7°F | 38.2°F |
| New Haven | 35.1°F | 36.1°F | 40.3°F |
| Saint Michaels | 35.1°F | 33.5°F | 39.5°F |
| Providence | 35.0°F | 35.9°F | 39.9°F |
| Wasilla | 34.9°F | 34.3°F | 35.1°F |
| Warwick | 34.6°F | 35.7°F | 40.1°F |
| Dennis Port | 34.6°F | 34.8°F | 39.5°F |
| Falmouth | 34.5°F | 34.8°F | 39.1°F |
| Grand Marais | 34.5°F | 36.7°F | 35.9°F |
| Oak Park | 34.4°F | 33.3°F | 35.6°F |
| Evanston | 34.4°F | 33.2°F | 35.5°F |
| Charlevoix | 34.3°F | 37.3°F | 36.6°F |
| Bristol | 34.2°F | 35.3°F | 40.3°F |
| Wilmington | 34.2°F | 33.7°F | 39.0°F |
| New Castle | 34.2°F | 33.7°F | 38.9°F |
| Chicago | 34.2°F | 33.0°F | 35.7°F |
| Anchorage | 34.2°F | 33.4°F | 34.3°F |
| Erie | 34.1°F | 36.3°F | 37.8°F |
| Marquette | 33.5°F | 34.5°F | 34.9°F |
| Petoskey | 33.4°F | 35.6°F | 35.4°F |
| Buffalo | 33.4°F | 35.3°F | 36.4°F |
| Harbor Springs | 33.3°F | 35.6°F | 35.4°F |
| Kenai | 33.2°F | 31.9°F | 32.1°F |
| New Bedford | 33.2°F | 33.9°F | 39.0°F |
| Cleveland | 33.0°F | 33.6°F | 35.8°F |
| Niagara Falls | 33.0°F | 34.7°F | 35.1°F |
| Toledo | 32.9°F | 32.1°F | 33.9°F |
| Duluth | 32.6°F | 32.5°F | 32.7°F |
| Port Clinton | 32.4°F | 32.6°F | 33.9°F |
| Sandusky | 32.1°F | 32.2°F | 34.2°F |
| Sturgeon Bay | 31.8°F | 33.6°F | 33.9°F |
| Mackinac Island | 31.8°F | 34.7°F | 33.3°F |
| Bayfield | 31.7°F | 32.2°F | 34.4°F |
| Put in Bay | 31.3°F | 31.9°F | 33.8°F |
| Oshkosh | 30.5°F | 30.5°F | 31.1°F |
| Appleton | 30.2°F | 30.5°F | 30.9°F |
| Green Bay | 30.0°F | 30.2°F | 31.3°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 January.
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°
| Chicago |  |
0 |
| Hawaii |  |
+74 |
| Honolulu | |
+74 |
| Houston |  |
+38 |
| Las Vegas | |
+38 |
| Los Angeles | |
+52 |
| Maui | |
+70 |
| Miami | |
+48 |
| Miami Beach | |
+56 |
| New York | |
-4 |
| San Diego | |
+54 |
| San Francisco | |
+46 |
| Sarasota | |
+40 |
| Tampa | |
+40 |
| Washington | |
-6 |
