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 2025 | January 2024 | January 2023 |
|---|---|---|---|
| Kailua Kona | 81.4°F | 80.6°F | 80.7°F |
| Lanai | 81.0°F | 80.3°F | 80.4°F |
| Kihei | 80.7°F | 80.3°F | 80.2°F |
| Honolulu | 80.7°F | 79.6°F | 80.4°F |
| Hawaii | 80.6°F | 79.4°F | 80.3°F |
| Molokai | 80.4°F | 79.9°F | 80.6°F |
| Hilo | 80.3°F | 80.0°F | 80.0°F |
| Kahului | 80.1°F | 80.0°F | 79.8°F |
| Maui | 79.9°F | 79.8°F | 79.7°F |
| Oahu | 79.4°F | 78.5°F | 79.9°F |
| West Palm Beach | 78.3°F | 79.5°F | 80.2°F |
| Princeville | 78.0°F | 78.9°F | 79.9°F |
| Fort Lauderdale | 77.9°F | 78.7°F | 79.6°F |
| Kauai | 77.8°F | 78.9°F | 79.9°F |
| Miami Beach | 75.7°F | 77.6°F | 77.7°F |
| Hialeah | 74.3°F | 76.4°F | 75.9°F |
| Islamorada | 73.7°F | 76.6°F | 76.2°F |
| Key Largo | 73.5°F | 76.5°F | 75.0°F |
| Miami | 73.0°F | 75.7°F | 74.8°F |
| Key West | 72.5°F | 75.2°F | 76.0°F |
| Everglades | 70.7°F | 74.0°F | 73.3°F |
| Port St. Lucie | 69.0°F | 75.3°F | 74.6°F |
| South Padre Island | 68.6°F | 66.4°F | 65.6°F |
| Marco Island | 66.9°F | 69.1°F | 69.6°F |
| Naples | 66.4°F | 68.7°F | 69.1°F |
| Cape Coral | 65.9°F | 68.0°F | 69.3°F |
| Sanibel Island | 65.2°F | 67.3°F | 68.7°F |
| Fort Walton Beach | 63.1°F | 59.9°F | 63.8°F |
| Corpus Christi | 62.9°F | 61.5°F | 65.0°F |
| Siesta Key | 62.8°F | 64.9°F | 66.0°F |
| Pensacola Beach | 62.7°F | 59.7°F | 63.3°F |
| Destin | 62.7°F | 59.3°F | 63.5°F |
| Miramar Beach | 62.5°F | 59.0°F | 63.9°F |
| Sarasota | 62.4°F | 64.7°F | 65.9°F |
| Santa Rosa Beach | 62.3°F | 58.5°F | 64.1°F |
| Grand Isle | 62.2°F | 60.9°F | 64.5°F |
| Cocoa Beach | 62.1°F | 67.5°F | 70.0°F |
| Tampa | 61.6°F | 64.5°F | 65.5°F |
| Orlando | 60.9°F | 64.0°F | 67.3°F |
| Panama City Beach | 60.8°F | 57.7°F | 61.5°F |
| Daytona Beach | 60.8°F | 63.3°F | 67.5°F |
| St. Petersburg | 60.6°F | 63.2°F | 64.8°F |
| Orange Beach | 60.5°F | 57.4°F | 63.1°F |
| Gulf Shores | 60.5°F | 58.6°F | 63.3°F |
| Houston | 60.2°F | 57.8°F | 61.5°F |
| Mustang Island | 60.1°F | 60.9°F | 63.1°F |
| Pensacola | 60.1°F | 56.2°F | 61.4°F |
| Port Aransas | 60.1°F | 60.6°F | 63.1°F |
| Avery Island | 59.8°F | 54.5°F | 61.9°F |
| Santa Catalina Island | 59.5°F | 61.9°F | 58.8°F |
| St. Augustine | 59.4°F | 61.6°F | 63.5°F |
| Clearwater Beach | 59.0°F | 62.4°F | 63.9°F |
| Laguna Beach | 58.9°F | 61.0°F | 59.1°F |
| Irvine | 58.7°F | 60.9°F | 59.0°F |
| Newport Beach | 58.6°F | 61.0°F | 59.0°F |
| Santa Ana | 58.5°F | 61.0°F | 59.0°F |
| Long Beach | 58.2°F | 60.0°F | 58.9°F |
| Los Angeles | 58.1°F | 60.6°F | 59.0°F |
| Anaheim | 58.0°F | 60.5°F | 59.0°F |
| Malibu | 57.9°F | 60.4°F | 58.7°F |
| Dauphin Island | 57.9°F | 56.3°F | 59.6°F |
| Beverly Hills | 57.8°F | 60.4°F | 59.0°F |
| Hollywood | 57.8°F | 60.4°F | 59.0°F |
| Santa Monica | 57.8°F | 60.4°F | 59.0°F |
| Galveston Island | 57.7°F | 57.3°F | 60.8°F |
| Oxnard | 57.5°F | 60.0°F | 58.1°F |
| Mobile | 57.4°F | 54.9°F | 58.0°F |
| St. George Island | 57.2°F | 57.4°F | 61.7°F |
| Santa Barbara | 57.1°F | 59.6°F | 58.0°F |
| Galveston | 57.0°F | 56.5°F | 60.0°F |
| New Orleans | 57.0°F | 54.4°F | 59.1°F |
| Jacksonville | 56.8°F | 58.9°F | 60.4°F |
| San Diego | 56.7°F | 60.7°F | 59.3°F |
| Chula Vista | 56.5°F | 60.6°F | 59.3°F |
| Ocean Springs | 56.0°F | 54.0°F | 59.9°F |
| Bay Saint Louis | 55.9°F | 54.4°F | 59.1°F |
| Biloxi | 55.7°F | 53.9°F | 59.7°F |
| Pass Christian | 55.1°F | 53.9°F | 58.7°F |
| Gulfport | 54.9°F | 53.7°F | 58.9°F |
| Amelia Island | 54.8°F | 58.0°F | 59.7°F |
| Long Beach | 54.7°F | 53.6°F | 58.7°F |
| Santa Cruz | 54.2°F | 57.2°F | 54.8°F |
| Monterey | 54.0°F | 58.0°F | 55.7°F |
| Hatteras Island | 53.8°F | 54.4°F | 55.8°F |
| St. Simons Island | 53.3°F | 55.1°F | 55.2°F |
| Jekyll Island | 53.0°F | 55.4°F | 55.3°F |
| San Francisco | 52.9°F | 55.3°F | 52.3°F |
| Oakland | 52.8°F | 54.7°F | 51.5°F |
| Fremont | 52.8°F | 54.0°F | 52.5°F |
| San Jose | 52.8°F | 53.9°F | 52.6°F |
| Sausalito | 52.5°F | 54.7°F | 51.8°F |
| Newport | 51.1°F | 51.9°F | 50.2°F |
| Florence | 51.0°F | 51.9°F | 50.3°F |
| Depoe Bay | 50.7°F | 51.8°F | 50.0°F |
| Pacific City | 50.6°F | 51.4°F | 50.0°F |
| Lincoln City | 50.4°F | 51.6°F | 50.0°F |
| Tybee Island | 50.4°F | 53.4°F | 54.8°F |
| Wilmington Island | 50.3°F | 53.2°F | 54.7°F |
| Rockaway Beach | 50.2°F | 51.4°F | 49.3°F |
| Isle of Palms | 50.1°F | 54.2°F | 55.2°F |
| Cannon Beach | 50.0°F | 50.8°F | 49.4°F |
| Wrightsville Beach | 49.9°F | 54.9°F | 54.1°F |
| Seaside | 49.9°F | 50.6°F | 49.4°F |
| Mount Pleasant | 49.8°F | 54.0°F | 55.2°F |
| Folly Beach | 49.7°F | 53.8°F | 55.0°F |
| Charleston | 49.7°F | 53.8°F | 55.0°F |
| Edisto Beach | 49.6°F | 53.5°F | 53.9°F |
| Hilton Head Island | 49.6°F | 52.9°F | 53.8°F |
| Wilmington | 49.6°F | 54.4°F | 53.7°F |
| Kiawah Island | 49.4°F | 53.5°F | 54.8°F |
| Pawleys Island | 49.3°F | 55.5°F | 54.9°F |
| Oak Island | 48.9°F | 52.8°F | 53.5°F |
| Carolina Beach | 48.8°F | 53.6°F | 52.9°F |
| Murrells Inlet | 48.7°F | 54.3°F | 54.0°F |
| Arcadian Shores | 48.7°F | 52.7°F | 52.9°F |
| Myrtle Beach | 48.6°F | 53.4°F | 53.3°F |
| Bald Head Island | 48.4°F | 52.6°F | 53.6°F |
| North Myrtle Beach | 48.4°F | 52.4°F | 52.8°F |
| North Topsail Beach | 48.2°F | 54.1°F | 53.5°F |
| Tacoma | 47.9°F | 48.1°F | 46.2°F |
| Bellevue | 47.4°F | 47.9°F | 46.3°F |
| Ocean Shores | 47.2°F | 49.0°F | 47.3°F |
| Port Angeles | 46.9°F | 47.4°F | 46.1°F |
| Whidbey Island | 46.0°F | 47.1°F | 45.5°F |
| Bellingham | 45.7°F | 45.7°F | 44.7°F |
| Outer Banks | 44.7°F | 49.4°F | 52.3°F |
| Astoria | 44.7°F | 48.1°F | 47.9°F |
| Nags Head | 43.2°F | 48.0°F | 49.8°F |
| Ketchikan | 42.5°F | 42.5°F | 40.9°F |
| Kill Devil Hills | 42.4°F | 47.7°F | 49.0°F |
| Block Island | 42.4°F | 44.9°F | 43.6°F |
| New Shoreham | 42.4°F | 44.9°F | 43.7°F |
| Corolla | 42.1°F | 46.5°F | 47.1°F |
| Incline Village | 42.1°F | 42.8°F | 42.6°F |
| Lake Tahoe | 42.1°F | 42.7°F | 42.7°F |
| Stateline | 41.9°F | 42.7°F | 42.7°F |
| Sitka | 41.7°F | 42.2°F | 40.9°F |
| South Lake Tahoe | 41.7°F | 42.7°F | 42.6°F |
| Charlestown | 41.1°F | 43.9°F | 42.3°F |
| Westerly | 41.1°F | 43.9°F | 42.8°F |
| Stonington | 40.6°F | 43.5°F | 42.5°F |
| Mystic | 40.6°F | 43.5°F | 42.5°F |
| Hampton | 40.5°F | 40.1°F | 40.8°F |
| Hampton Beach | 40.5°F | 40.1°F | 40.8°F |
| Old Orchard Beach | 40.3°F | 39.9°F | 40.9°F |
| York Beach | 40.2°F | 40.1°F | 41.5°F |
| Virginia Beach | 40.2°F | 45.3°F | 45.6°F |
| Kennebunkport | 40.2°F | 40.0°F | 41.6°F |
| Homer | 40.1°F | 39.0°F | 38.6°F |
| Ogunquit | 40.1°F | 39.8°F | 41.5°F |
| Jamestown | 40.1°F | 42.4°F | 40.6°F |
| Groton | 40.1°F | 42.9°F | 41.9°F |
| Newport | 40.1°F | 42.5°F | 40.5°F |
| New London | 40.1°F | 42.8°F | 41.9°F |
| Seward | 40.0°F | 41.3°F | 39.3°F |
| Portsmouth | 40.0°F | 40.5°F | 40.8°F |
| Valdez | 40.0°F | 41.8°F | 39.6°F |
| Wells | 40.0°F | 39.9°F | 41.5°F |
| Provincetown | 39.9°F | 42.3°F | 42.5°F |
| Seaside Heights | 39.7°F | 43.1°F | 42.7°F |
| Montauk | 39.6°F | 43.7°F | 42.8°F |
| Salem | 39.5°F | 41.1°F | 40.7°F |
| Old Saybrook | 39.4°F | 42.3°F | 41.3°F |
| Martha's Vineyard | 39.1°F | 40.8°F | 40.1°F |
| Rochester | 38.9°F | 39.0°F | 38.6°F |
| Westbrook | 38.9°F | 42.2°F | 41.2°F |
| Ocean City | 38.7°F | 43.6°F | 43.1°F |
| Sea Isle City | 38.7°F | 42.3°F | 41.9°F |
| Fire Island | 38.6°F | 39.9°F | 42.3°F |
| Chatham | 38.5°F | 41.4°F | 42.1°F |
| Chesapeake | 38.5°F | 51.3°F | 44.2°F |
| Norfolk | 38.4°F | 48.5°F | 44.8°F |
| Chincoteague | 38.4°F | 43.8°F | 42.7°F |
| Brunswick | 38.3°F | 38.9°F | 39.7°F |
| Holland | 38.2°F | 38.8°F | 37.7°F |
| Saugatuck | 38.1°F | 38.6°F | 37.5°F |
| Haines | 38.0°F | 38.5°F | 37.7°F |
| Traverse City | 38.0°F | 38.3°F | 37.7°F |
| Fenwick Island | 37.9°F | 43.3°F | 43.4°F |
| Yosemite | 37.9°F | 37.9°F | 37.9°F |
| Juneau | 37.9°F | 38.3°F | 37.0°F |
| New York | 37.8°F | 41.3°F | 40.1°F |
| Newark | 37.7°F | 41.2°F | 40.0°F |
| Jersey City | 37.7°F | 41.2°F | 40.0°F |
| Ocean City | 37.7°F | 42.2°F | 40.8°F |
| Bethany Beach | 37.7°F | 42.8°F | 43.2°F |
| South Bethany | 37.7°F | 42.8°F | 43.5°F |
| South Haven | 37.6°F | 37.8°F | 37.4°F |
| Edgartown | 37.5°F | 39.9°F | 40.4°F |
| Stamford | 37.4°F | 40.9°F | 39.8°F |
| Wildwood Crest | 37.4°F | 41.7°F | 42.0°F |
| Wildwood | 37.4°F | 41.7°F | 42.0°F |
| Freeport | 37.4°F | 38.3°F | 38.5°F |
| Bar Harbor | 37.3°F | 38.5°F | 39.8°F |
| Plymouth | 37.3°F | 39.9°F | 40.4°F |
| Hampton Bays | 37.3°F | 42.1°F | 41.6°F |
| Charlevoix | 37.3°F | 36.6°F | 36.3°F |
| Norwalk | 37.2°F | 40.8°F | 39.9°F |
| Dewey Beach | 37.1°F | 42.2°F | 42.4°F |
| Siasconset | 37.1°F | 41.5°F | 42.5°F |
| Rehoboth Beach | 37.0°F | 42.2°F | 42.1°F |
| Long Beach Island | 37.0°F | 42.9°F | 41.3°F |
| Milford | 36.9°F | 40.7°F | 39.5°F |
| Boston | 36.9°F | 39.9°F | 39.4°F |
| Camden | 36.9°F | 38.5°F | 39.1°F |
| Rockland | 36.8°F | 38.6°F | 39.5°F |
| Grand Marais | 36.7°F | 35.9°F | 35.1°F |
| Cambridge | 36.7°F | 39.7°F | 39.4°F |
| Mount Desert Island | 36.7°F | 38.2°F | 39.6°F |
| Cape May | 36.5°F | 41.6°F | 41.8°F |
| Lewes | 36.5°F | 41.8°F | 41.7°F |
| Beach Haven | 36.4°F | 42.4°F | 40.8°F |
| Atlantic City | 36.3°F | 41.8°F | 40.6°F |
| Erie | 36.3°F | 37.8°F | 36.1°F |
| Milwaukee | 36.3°F | 35.6°F | 36.1°F |
| Tangier Island | 36.3°F | 42.4°F | 42.3°F |
| Baltimore | 36.2°F | 40.5°F | 39.2°F |
| Yonkers | 36.2°F | 40.0°F | 40.0°F |
| New Haven | 36.1°F | 40.3°F | 39.4°F |
| Providence | 35.9°F | 39.9°F | 39.6°F |
| Warwick | 35.7°F | 40.1°F | 39.5°F |
| Harbor Springs | 35.6°F | 35.4°F | 35.1°F |
| Petoskey | 35.6°F | 35.4°F | 35.0°F |
| Brigantine | 35.6°F | 41.3°F | 40.6°F |
| Nantucket | 35.4°F | 40.7°F | 41.2°F |
| Buffalo | 35.3°F | 36.4°F | 34.5°F |
| Bristol | 35.3°F | 40.3°F | 39.1°F |
| Girdwood | 35.3°F | 36.1°F | 36.1°F |
| Michigan City | 35.1°F | 36.7°F | 37.4°F |
| Dennis Port | 34.8°F | 39.5°F | 40.4°F |
| Falmouth | 34.8°F | 39.1°F | 39.5°F |
| Niagara Falls | 34.7°F | 35.1°F | 34.3°F |
| Mackinac Island | 34.7°F | 33.3°F | 34.3°F |
| Marquette | 34.5°F | 34.9°F | 34.0°F |
| Annapolis | 34.4°F | 40.0°F | 40.0°F |
| Wasilla | 34.3°F | 35.1°F | 35.2°F |
| Washington | 34.1°F | 40.5°F | 40.4°F |
| New Bedford | 33.9°F | 39.0°F | 38.7°F |
| New Castle | 33.7°F | 38.9°F | 37.5°F |
| Wilmington | 33.7°F | 39.0°F | 37.6°F |
| Sturgeon Bay | 33.6°F | 33.9°F | 31.9°F |
| Cleveland | 33.6°F | 35.8°F | 33.9°F |
| Saint Michaels | 33.5°F | 39.5°F | 40.2°F |
| Anchorage | 33.4°F | 34.3°F | 35.2°F |
| Oak Park | 33.3°F | 35.6°F | 34.9°F |
| Evanston | 33.2°F | 35.5°F | 35.1°F |
| Chicago | 33.0°F | 35.7°F | 34.7°F |
| Port Clinton | 32.6°F | 33.9°F | 32.7°F |
| Duluth | 32.5°F | 32.7°F | 31.4°F |
| Sandusky | 32.2°F | 34.2°F | 32.3°F |
| Bayfield | 32.2°F | 34.4°F | 31.4°F |
| Toledo | 32.1°F | 33.9°F | 35.3°F |
| Kenai | 31.9°F | 32.1°F | 33.0°F |
| Put in Bay | 31.9°F | 33.8°F | 31.8°F |
| Oshkosh | 30.5°F | 31.1°F | 30.5°F |
| Appleton | 30.5°F | 30.9°F | 30.5°F |
| Green Bay | 30.2°F | 31.3°F | 30.2°F |
| Kissimmee | 30.0°F | 30.0°F | 66.5°F |
| Lake Geneva | 30.0°F | 30.0°F | 36.1°F |
Please see following sea water temperature averages charts for the warmest USA resorts in January.
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
14
28
42
56
70
84
98
112
81.7
83.5
84.6
84.8
84.4
83.4
82.4
81.5
80.5
79.9
80
80.5
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
14
28
42
56
70
84
98
112
81.6
83
84
83.9
83.4
82.9
81.9
80.6
79.9
79.5
79.8
80.7
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
14
28
42
56
70
84
98
112
81.5
83
83.9
83.8
83.5
82.8
81.9
80.6
79.7
79.3
79.6
80.5
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 |  |
+62 |
| Chicago |  |
+54 |
| Hawaii |  |
+80 |
| Honolulu | |
+80 |
| Houston | |
+80 |
| Las Vegas |  |
+84 |
| Los Angeles |  |
+72 |
| Miami | |
+80 |
| New York | |
+74 |
| Orlando | |
+78 |
| San Diego | |
+66 |
| San Francisco |  |
+54 |
| Sarasota |  |
+82 |
| Tampa | |
+82 |
| Washington | |
+78 |
