Records for San Antonio Area, Texas (SATthr) on 12-19
  Record Highs
  
    - 
      1:  82°F (2012)
    
 
    - 
      2:  81°F (1977)
    
 
    - 
      3:  80°F (2008)
    
 
  
 
  Record Lows
  
    - 
      1:  18°F (1996)
    
 
    - 
      2:  20°F (1981)
    
 
    - 
      3:  23°F (1929)
    
 
  
 
  Lowest Highs
  
    - 
      1:  67°F (2008)
    
 
    - 
      2:  64°F (2006)
    
 
    - 
      3:  63°F (2012)
    
 
  
 
  Highest Lows
  
    - 
      1:  31°F (1909)
    
 
    - 
      2:  37°F (1983)
    
 
    - 
      3:  37°F (1945)
    
 
  
 
  Highest December temperature:
  
  90°F on 12-25-1955.
  Lowest December temperature:
  
  6°F on 12-23-1989.
  Average temperature is 52.1°F
  Average high is 63.5°F
  Average low is 40.6°F
 
  Temperature data from 1885 to 2022.
  Record Precipitation
  
    - 
      1:  5.97" (1991)
    
 
    - 
      2:  1.00" (1952)
    
 
    - 
      3:  0.93" (1918)
    
 
  
 
  Precipitation data from 1885 to 2022.