Records for San Diego Area, California (SANthr) on 12-15
  Record Highs
  
    - 
      1:  81°F (1958)
    
- 
      2:  78°F (1980)
    
- 
      3:  78°F (1979)
    
 
  Record Lows
  
    - 
      1:  35°F (1878)
    
- 
      2:  36°F (1892)
    
- 
      3:  36°F (1884)
    
 
  Lowest Highs
  
    - 
      1:  60°F (1977)
    
- 
      2:  58°F (1957)
    
- 
      3:  57°F (2010)
    
 
  Highest Lows
  
    - 
      1:  54°F (1967)
    
- 
      2:  55°F (1898)
    
- 
      3:  56°F (1987)
    
 
  Highest December temperature:
  
  88°F on 12-29-1963.
  Lowest December temperature:
  
  32°F on 12-25-1879.
  Average temperature is 57.6°F
  Average high is 65.7°F
  Average low is 49.5°F
 
  Temperature data from 1874 to 2022.
  Record Precipitation
  
    - 
      1:  2.35" (1938)
    
- 
      2:  1.75" (1889)
    
- 
      3:  0.88" (2008)
    
 
  Precipitation data from 1850 to 2022.