Records for Houston Area, Texas (IAHthr) on 12-21
  Record Highs
  
    - 
      1:  82°F (2010)
    
- 
      2:  81°F (1970)
    
- 
      3:  80°F (1990)
    
 
  Record Lows
  
    - 
      1:  21°F (1973)
    
- 
      2:  24°F (1901)
    
- 
      3:  25°F (1976)
    
 
  Lowest Highs
  
    - 
      1:  67°F (2010)
    
- 
      2:  67°F (1921)
    
- 
      3:  66°F (1984)
    
 
  Highest Lows
  
    - 
      1:  31°F (1924)
    
- 
      2:  33°F (1929)
    
- 
      3:  38°F (1963)
    
 
  Highest December temperature:
  
  85°F on 12-03-1995.
  Lowest December temperature:
  
  7°F on 12-23-1989.
  Average temperature is 54.6°F
  Average high is 64.3°F
  Average low is 45°F
 
  Temperature data from 1889 to 2022.
  Record Precipitation
  
    - 
      1:  3.41" (1991)
    
- 
      2:  1.48" (2013)
    
- 
      3:  1.37" (1912)
    
 
  Precipitation data from 1888 to 2022.