Records for Portland Downtown Area, Oregon (PGWO3thr) on 12-21
  Record Highs
  
    - 
      1:  63°F (1940)
    
 
    - 
      2:  61°F (1955)
    
 
    - 
      3:  60°F (1980)
    
 
  
 
  Record Lows
  
    - 
      1:  11°F (1990)
    
 
    - 
      2:  15°F (1983)
    
 
    - 
      3:  17°F (1998)
    
 
  
 
  Lowest Highs
  
    - 
      1:  54°F (1933)
    
 
    - 
      2:  52°F (1972)
    
 
    - 
      3:  52°F (1875)
    
 
  
 
  Highest Lows
  
    - 
      1:  19°F (1990)
    
 
    - 
      2:  22°F (1983)
    
 
    - 
      3:  23°F (2008)
    
 
  
 
  Highest December temperature:
  
  67°F on 12-10-1993.
  Lowest December temperature:
  
  3°F on 12-13-1919.
  Average temperature is 40.9°F
  Average high is 45.1°F
  Average low is 36.7°F
 
  Temperature data from 1874 to 2022.
  Record Precipitation
  
    - 
      1:  2.29" (1955)
    
 
    - 
      2:  2.14" (1915)
    
 
    - 
      3:  1.98" (1964)
    
 
  
 
  Precipitation data from 1872 to 2022.