In December warmest sea in USA is usually observed in the following locations: West Palm Beach, Fort Lauderdale, Honolulu.
Table below shows the average sea water temperature for marine resorts of USA in December for the last three years.
| Place name | December 2025 | December 2024 | December 2023 |
|---|---|---|---|
| West Palm Beach | 79.0°F | 78.4°F | 79.0°F |
| Fort Lauderdale | 78.7°F | 77.6°F | 78.2°F |
| Honolulu | 78.6°F | 78.3°F | 77.9°F |
| Hawaii | 78.5°F | 78.3°F | 77.8°F |
| Kauai | 78.2°F | 76.0°F | 77.9°F |
| Maui | 78.0°F | 77.8°F | 77.6°F |
| Miami Beach | 77.4°F | 75.9°F | 76.6°F |
| Oahu | 77.1°F | 77.2°F | 76.9°F |
| Key West | 75.9°F | 72.6°F | 74.9°F |
| Miami | 75.5°F | 73.0°F | 74.5°F |
| Naples | 71.5°F | 67.7°F | 69.8°F |
| Cocoa Beach | 69.7°F | 66.6°F | 68.1°F |
| Siesta Key | 69.3°F | 65.6°F | 66.9°F |
| Sarasota | 69.2°F | 65.6°F | 66.8°F |
| Tampa | 68.3°F | 65.5°F | 66.2°F |
| Orlando | 67.6°F | 66.0°F | 66.4°F |
| Daytona Beach | 67.1°F | 65.8°F | 65.5°F |
| Clearwater Beach | 66.8°F | 62.9°F | 64.4°F |
| Fort Walton Beach | 66.0°F | 67.1°F | 65.2°F |
| Destin | 65.7°F | 66.5°F | 64.8°F |
| Pensacola Beach | 65.2°F | 66.7°F | 64.3°F |
| Santa Rosa Beach | 65.0°F | 66.0°F | 64.0°F |
| St. Augustine | 64.5°F | 63.7°F | 64.1°F |
| Panama City Beach | 64.4°F | 65.0°F | 63.2°F |
| St. George Island | 63.5°F | 62.2°F | 60.9°F |
| Houston | 63.4°F | 62.3°F | 62.1°F |
| Long Beach (CA) | 63.4°F | 57.8°F | 62.2°F |
| Malibu | 63.3°F | 58.1°F | 62.2°F |
| Newport Beach | 63.2°F | 59.0°F | 62.5°F |
| Santa Monica | 63.1°F | 57.7°F | 62.3°F |
| Irvine | 63.1°F | 59.0°F | 62.4°F |
| Los Angeles | 63.1°F | 58.0°F | 62.3°F |
| Hollywood | 63.1°F | 57.7°F | 62.2°F |
| Beverly Hills | 63.1°F | 57.7°F | 62.2°F |
| Santa Catalina Island | 63.0°F | 59.9°F | 62.5°F |
| Laguna Beach | 63.0°F | 59.1°F | 62.4°F |
| Santa Barbara | 62.7°F | 57.2°F | 61.1°F |
| San Diego | 62.6°F | 56.9°F | 62.2°F |
| Jacksonville | 62.1°F | 61.5°F | 61.7°F |
| New Orleans | 61.9°F | 59.2°F | 58.4°F |
| Monterey | 57.9°F | 55.1°F | 57.9°F |
| Santa Cruz | 57.4°F | 54.8°F | 57.4°F |
| Tybee Island | 56.7°F | 57.4°F | 57.4°F |
| Isle of Palms | 56.4°F | 56.1°F | 57.7°F |
| Hilton Head Island | 56.2°F | 56.8°F | 56.6°F |
| Charleston (SC) | 55.8°F | 56.0°F | 56.8°F |
| Wrightsville Beach | 55.6°F | 56.1°F | 58.5°F |
| Wilmington (NC) | 55.4°F | 55.9°F | 58.1°F |
| Carolina Beach | 55.1°F | 55.9°F | 57.6°F |
| North Topsail Beach | 54.9°F | 55.1°F | 58.2°F |
| San Francisco | 54.8°F | 53.6°F | 55.6°F |
| Myrtle Beach | 54.7°F | 54.9°F | 56.4°F |
| North Myrtle Beach | 54.6°F | 54.8°F | 56.3°F |
| Bald Head Island | 54.5°F | 55.0°F | 57.3°F |
| Oakland | 54.0°F | 53.6°F | 55.2°F |
| San Jose | 53.9°F | 53.9°F | 55.3°F |
| Depoe Bay | 53.2°F | 51.2°F | 52.3°F |
| Florence | 53.2°F | 51.3°F | 52.4°F |
| Cannon Beach | 52.3°F | 50.7°F | 51.6°F |
| Rockaway Beach | 52.3°F | 50.6°F | 51.9°F |
| Seaside | 52.2°F | 50.5°F | 51.5°F |
| Kill Devil Hills | 50.0°F | 50.6°F | 51.9°F |
| Tacoma | 49.8°F | 49.7°F | 49.6°F |
| Bellevue | 49.6°F | 49.7°F | 49.5°F |
| Lake Tahoe | 48.4°F | 45.3°F | 46.2°F |
| South Lake Tahoe | 48.3°F | 44.9°F | 46.3°F |
| Virginia Beach | 48.1°F | 49.4°F | 50.5°F |
| Montauk | 46.0°F | 47.9°F | 48.8°F |
| Ocean City (MD) | 45.8°F | 47.2°F | 49.4°F |
| Martha's Vineyard | 45.6°F | 46.9°F | 47.6°F |
| Washington | 45.5°F | 45.1°F | 45.5°F |
| Hampton Beach | 45.0°F | 45.7°F | 46.1°F |
| Hampton | 45.0°F | 45.7°F | 46.1°F |
| Rehoboth Beach | 44.4°F | 46.3°F | 47.7°F |
| Wildwood | 44.3°F | 45.9°F | 47.4°F |
| Old Orchard Beach | 44.3°F | 45.1°F | 45.5°F |
| Yosemite | 44.3°F | 44.3°F | 44.3°F |
| Cape May | 44.3°F | 45.4°F | 47.4°F |
| Bethany Beach | 44.1°F | 46.8°F | 48.2°F |
| Dewey Beach | 44.1°F | 46.5°F | 47.7°F |
| Tangier Island | 43.6°F | 45.1°F | 47.8°F |
| Bar Harbor | 43.3°F | 43.9°F | 44.2°F |
| Holland | 43.2°F | 45.3°F | 45.3°F |
| Mount Desert Island | 43.1°F | 43.6°F | 44.1°F |
| Long Beach Island | 43.0°F | 45.3°F | 47.0°F |
| New York | 42.9°F | 45.3°F | 46.3°F |
| Jersey City | 42.8°F | 45.2°F | 46.3°F |
| Boston | 42.7°F | 42.8°F | 44.1°F |
| Nantucket | 42.6°F | 44.0°F | 45.1°F |
| Atlantic City | 42.5°F | 44.7°F | 45.6°F |
| Beach Haven | 42.2°F | 44.7°F | 46.3°F |
| Michigan City | 42.2°F | 42.2°F | 44.5°F |
| Baltimore | 42.0°F | 43.7°F | 45.3°F |
| Erie | 41.7°F | 44.2°F | 43.9°F |
| New Bedford | 40.9°F | 43.1°F | 44.9°F |
| Evanston | 39.0°F | 39.5°F | 42.1°F |
| Buffalo (NY) | 38.7°F | 42.3°F | 41.9°F |
| Chicago | 38.5°F | 40.3°F | 42.2°F |
| Niagara Falls | 37.8°F | 42.2°F | 41.1°F |
| Anchorage | 35.2°F | 36.8°F | 35.3°F |
Charts below show average sea water temperature for USA resorts with the warmest sea in December.
You can also check other months of the year to see sea temperature of USA resorts at that time.
Places in USA:
Name
°F
