Records for San Diego Area, California (SANthr) on 12-30
  Record Highs
  
    - 
      1:  87°F (1980)
    
- 
      2:  82°F (1963)
    
- 
      3:  77°F (1917)
    
 
  Record Lows
  
    - 
      1:  34°F (1895)
    
- 
      2:  38°F (1875)
    
- 
      3:  39°F (1988)
    
 
  Lowest Highs
  
    - 
      1:  61°F (1977)
    
- 
      2:  60°F (1909)
    
- 
      3:  59°F (1899)
    
 
  Highest Lows
  
    - 
      1:  49°F (1915)
    
- 
      2:  55°F (1879)
    
- 
      3:  55°F (1875)
    
 
  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 65.8°F
  Average low is 49.5°F
 
  Temperature data from 1874 to 2022.
  Record Precipitation
  
    - 
      1:  1.96" (1951)
    
- 
      2:  1.02" (1915)
    
- 
      3:  0.67" (1887)
    
 
  Precipitation data from 1850 to 2022.