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 |
| Everglades | 73.7°F | 69.7°F | 73.5°F |
| South Padre Island | 71.8°F | 71.9°F | 67.9°F |
| Naples | 71.5°F | 67.7°F | 69.8°F |
| Cape Coral | 71.2°F | 67.8°F | 68.9°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 |
| Pensacola Beach | 65.2°F | 66.7°F | 64.3°F |
| St. Augustine | 64.5°F | 63.7°F | 64.1°F |
| Panama City Beach | 64.4°F | 65.0°F | 63.2°F |
| Orange Beach | 63.7°F | 64.1°F | 63.0°F |
| Houston | 63.4°F | 62.3°F | 62.1°F |
| Long Beach (CA) | 63.4°F | 57.8°F | 62.2°F |
| Galveston Island | 63.4°F | 63.5°F | 61.7°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 |
| Los Angeles | 63.1°F | 58.0°F | 62.3°F |
| Beverly Hills | 63.1°F | 57.7°F | 62.2°F |
| Hollywood | 63.1°F | 57.7°F | 62.2°F |
| Santa Catalina Island | 63.0°F | 59.9°F | 62.5°F |
| Anaheim | 63.0°F | 58.1°F | 62.2°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 |
| Galveston | 62.6°F | 62.8°F | 61.4°F |
| Jacksonville | 62.1°F | 61.5°F | 61.7°F |
| New Orleans | 61.9°F | 59.2°F | 58.4°F |
| Jekyll Island | 58.3°F | 57.7°F | 58.8°F |
| Monterey | 57.9°F | 55.1°F | 57.9°F |
| Santa Cruz | 57.4°F | 54.8°F | 57.4°F |
| Hilton Head Island | 56.2°F | 56.8°F | 56.6°F |
| Charleston (SC) | 55.8°F | 56.0°F | 56.8°F |
| Wilmington (NC) | 55.4°F | 55.9°F | 58.1°F |
| San Francisco | 54.8°F | 53.6°F | 55.6°F |
| Myrtle Beach | 54.7°F | 54.9°F | 56.4°F |
| Oakland | 54.0°F | 53.6°F | 55.2°F |
| San Jose | 53.9°F | 53.9°F | 55.3°F |
| Florence | 53.2°F | 51.3°F | 52.4°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 |
| Bellingham | 47.5°F | 47.0°F | 47.3°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 |
| Portsmouth | 44.8°F | 45.5°F | 46.0°F |
| Sitka | 44.7°F | 43.7°F | 44.5°F |
| Stamford | 44.6°F | 46.8°F | 47.1°F |
| Newport (RI) | 44.6°F | 46.3°F | 47.7°F |
| Ketchikan | 44.4°F | 44.0°F | 44.8°F |
| Rehoboth Beach | 44.4°F | 46.3°F | 47.7°F |
| Yosemite | 44.3°F | 44.3°F | 44.3°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 |
| 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 |
| Newark | 42.7°F | 45.1°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 |
| Rochester (NY) | 42.4°F | 44.1°F | 43.3°F |
| Michigan City | 42.2°F | 42.2°F | 44.5°F |
| Baltimore | 42.0°F | 43.7°F | 45.3°F |
| Milwaukee | 40.9°F | 40.6°F | 42.4°F |
| Juneau | 40.3°F | 40.1°F | 41.4°F |
| Cleveland | 39.4°F | 42.0°F | 42.9°F |
| Buffalo (NY) | 38.7°F | 42.3°F | 41.9°F |
| Chicago | 38.5°F | 40.3°F | 42.2°F |
| Mackinac Island | 38.0°F | 40.3°F | 38.4°F |
| Niagara Falls | 37.8°F | 42.2°F | 41.1°F |
| Anchorage | 35.2°F | 36.8°F | 35.3°F |
| Green Bay | 35.2°F | 36.9°F | 36.0°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
