In December warmest sea in California is usually observed in the following locations: Monterey, Santa Cruz, San Francisco.
Table below shows the average sea water temperature for marine resorts of California in December for the last three years.
| Place name | December 2023 | December 2022 | December 2021 |
|---|---|---|---|
| Monterey | 57.9°F | 54.5°F | 55.1°F |
| Santa Cruz | 57.4°F | 53.4°F | 54.4°F |
| San Francisco | 55.6°F | 52.2°F | 54.4°F |
| Sausalito | 55.3°F | 51.9°F | 54.2°F |
| Fremont | 55.3°F | 52.6°F | 54.8°F |
| San Jose | 55.3°F | 52.6°F | 54.7°F |
| Oakland | 55.2°F | 51.9°F | 54.6°F |
| South Lake Tahoe | 46.3°F | 46.3°F | 46.7°F |
| Incline Village | 46.3°F | 46.0°F | 46.7°F |
| Stateline | 46.3°F | 46.3°F | 46.7°F |
| Lake Tahoe | 46.2°F | 46.2°F | 46.7°F |
| Yosemite | 44.3°F | 44.3°F | 44.3°F |
Charts below show average sea water temperature for California resorts with the warmest sea in December.
You can also check other months of the year to see sea temperature of California resorts at that time.
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