Records for San Diego Area, California (SANthr) on 01-21
  Record Highs
  
    - 
      1:  82°F (1912)
    
- 
      2:  81°F (1976)
    
- 
      3:  77°F (2014)
    
 
  Record Lows
  
    - 
      1:  32°F (1883)
    
- 
      2:  35°F (1937)
    
- 
      3:  35°F (1922)
    
 
  Lowest Highs
  
    - 
      1:  62°F (1976)
    
- 
      2:  60°F (1977)
    
- 
      3:  58°F (2009)
    
 
  Highest Lows
  
    - 
      1:  50°F (1945)
    
- 
      2:  52°F (1937)
    
- 
      3:  53°F (1949)
    
 
  Highest January temperature:
  
  88°F on 01-10-1953.
  Lowest January temperature:
  
  25°F on 01-07-1913.
  Average temperature is 58.6°F
  Average high is 66.6°F
  Average low is 50.6°F
 
  Temperature data from 1874 to 2022.
  Record Precipitation
  
    - 
      1:  1.67" (1915)
    
- 
      2:  1.08" (1909)
    
- 
      3:  0.82" (1964)
    
 
  Precipitation data from 1850 to 2022.