In December warmest sea in USA is usually observed in the following locations: Kailua Kona, West Palm Beach, Fort Lauderdale.
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 |
|---|---|---|---|
| Kailua Kona | 79.2°F | 78.3°F | 79.1°F |
| 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 |
| South Padre Island | 71.8°F | 71.9°F | 67.9°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 |
| St. Petersburg | 67.5°F | 64.3°F | 65.4°F |
| Corpus Christi | 67.5°F | 66.5°F | 65.5°F |
| Daytona Beach | 67.1°F | 65.8°F | 65.5°F |
| Clearwater Beach | 66.8°F | 62.9°F | 64.4°F |
| Destin | 65.7°F | 66.5°F | 64.8°F |
| St. Augustine | 64.5°F | 63.7°F | 64.1°F |
| Panama City Beach | 64.4°F | 65.0°F | 63.2°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 |
| Pensacola | 63.2°F | 62.6°F | 61.7°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 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 |
| Isle of Palms | 56.4°F | 56.1°F | 57.7°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 |
| Oakland | 54.0°F | 53.6°F | 55.2°F |
| San Jose | 53.9°F | 53.9°F | 55.3°F |
| Newport (OR) | 53.7°F | 51.2°F | 52.4°F |
| Florence | 53.2°F | 51.3°F | 52.4°F |
| Rockaway Beach | 52.3°F | 50.6°F | 51.9°F |
| Seaside | 52.2°F | 50.5°F | 51.5°F |
| Tacoma | 49.8°F | 49.7°F | 49.6°F |
| Bellevue | 49.6°F | 49.7°F | 49.5°F |
| Corolla | 49.1°F | 50.9°F | 51.9°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 | 45.0°F | 45.7°F | 46.1°F |
| Hampton Beach | 45.0°F | 45.7°F | 46.1°F |
| Westbrook | 44.9°F | 47.3°F | 48.0°F |
| Portsmouth | 44.8°F | 45.5°F | 46.0°F |
| Hampton Bays | 44.8°F | 46.8°F | 47.6°F |
| Sitka | 44.7°F | 43.7°F | 44.5°F |
| Rehoboth Beach | 44.4°F | 46.3°F | 47.7°F |
| Wildwood | 44.3°F | 45.9°F | 47.4°F |
| Yosemite | 44.3°F | 44.3°F | 44.3°F |
| Cape May | 44.3°F | 45.4°F | 47.4°F |
| Milford | 44.0°F | 46.2°F | 47.1°F |
| Ocean City (NJ) | 43.8°F | 45.2°F | 46.0°F |
| Tangier Island | 43.6°F | 45.1°F | 47.8°F |
| New Haven | 43.5°F | 45.4°F | 46.7°F |
| Bar Harbor | 43.3°F | 43.9°F | 44.2°F |
| Holland | 43.2°F | 45.3°F | 45.3°F |
| Long Beach Island | 43.0°F | 45.3°F | 47.0°F |
| New York | 42.9°F | 45.3°F | 46.3°F |
| Plymouth | 42.9°F | 44.7°F | 45.9°F |
| Jersey City | 42.8°F | 45.2°F | 46.3°F |
| Boston | 42.7°F | 42.8°F | 44.1°F |
| Cambridge | 42.6°F | 42.7°F | 44.0°F |
| Nantucket | 42.6°F | 44.0°F | 45.1°F |
| Atlantic City | 42.5°F | 44.7°F | 45.6°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 |
| Providence | 41.5°F | 42.6°F | 45.4°F |
| Cleveland | 39.4°F | 42.0°F | 42.9°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 |
| Wasilla | 37.3°F | 37.4°F | 37.2°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
