Swim in San Francisco in december 2024What is the temperature of the sea in in december?
Average sea temperature in San Francisco in december 2024.
In december, according to seasonal norms, the sea temperature in San Francisco is:
Minimum: 53°F
Average: 55°F
Maximum: 57°F
Other useful seasonal weather averages in december:
- Outside temperature: 49°F to 58°F
- Most common weather: "Clear/Sunny"
- The wind blows at 5mph
- It rains a total of 2.5in, over 4 day(s).
Should we swim in San Francisco in december?
No... The water temperature in San Francisco in december is freezing
You won't be able to swim in San Francisco in december! The water temperature is freezing, reaching as low as 53°F (and only 57°F at best)! Our advice: if you are going to San Francisco this month, plan to sightsee and forget the beach!
Note also that in december, the climate is tolerable with an average outside temperature of 53°F, 2.5in of precipitation (over 4 days) and 76.31 % humidity.
Water and normal seasonal temperatures in San Francisco in december
| December | |||
| Average sea temperature | 55°F | ||
| Minimum sea temperature | 53°F | ||
| Maximum sea temperature | 57°F | ||
| Average outside temperature | 54°F | ||
| Maximum outside temperature | 59°F | ||
| Minimum outside temperature | 49°F | ||
| Wind speed | 8.7mph | ||
| Wind temperature | 47°F | ||
| Precipitation | 2.5in | ||
| Number of days of rain | 4 jour(s) (13%) | ||
| Humidity | 77% | ||
| Visibility in kilometers | 9.48km | ||
| Cloud cover | 33% | ||
| Our opinion | freezing swimming |
Swim elsewhere in California in december
| City | Average T° | Min. T° | Max. T° | Our opinion | Los Angeles in december | 61°F | 63°F | cold swimming | San Diego in december | 61°F | 63°F | cold swimming | Big Sur in december | 56°F | 58°F | freezing swimming | Carmel-by-the-Sea in december | 56°F | 58°F | freezing swimming | Eureka in december | 53°F | 57°F | freezing swimming | Half Moon Bay in december | 55°F | 57°F | freezing swimming | Hollywood in december | 61°F | 62°F | cold swimming | Malibu in december | 60°F | 61°F | cold swimming | Mendocino in december | 54°F | 58°F | freezing swimming | Morro Bay in december | 58°F | 60°F | freezing swimming | Oakland in december | 55°F | 57°F | freezing swimming | Pismo Beach in december | 58°F | 60°F | freezing swimming | San Clemente in december | 61°F | 63°F | cold swimming | Santa Barbara in december | 59°F | 60°F | freezing swimming | Santa Cruz California in december | 56°F | 58°F | freezing swimming | Santa Monica in december | 61°F | 63°F | cold swimming | Ventura in december | 59°F | 61°F | cold swimming | Bodega Bay in december | 54°F | 57°F | freezing swimming | Carlsbad in december | 61°F | 63°F | cold swimming | Huntington Beach in december | 61°F | 63°F | cold swimming |