Records for Portland Area, Maine (PWMthr) on 01-18
  Record Highs
  
    - 
      1:  58°F (1990)
    
 
    - 
      2:  53°F (1986)
    
 
    - 
      3:  52°F (2006)
    
 
  
 
  Record Lows
  
    - 
      1:  -22°F (1971)
    
 
    - 
      2:  -20°F (1957)
    
 
    - 
      3:  -19°F (1954)
    
 
  
 
  Lowest Highs
  
    - 
      1:  39°F (1990)
    
 
    - 
      2:  36°F (2006)
    
 
    - 
      3:  33°F (1988)
    
 
  
 
  Highest Lows
  
    - 
      1:  4°F (1977)
    
 
    - 
      2:  8°F (1971)
    
 
    - 
      3:  11°F (2005)
    
 
  
 
  Highest January temperature:
  
  67°F on 01-06-2007.
  Lowest January temperature:
  
  -26°F on 01-19-1971.
  Average temperature is 23.4°F
  Average high is 31.8°F
  Average low is 14.9°F
 
  Temperature data from 1874 to 2022.
  Record Precipitation
  
    - 
      1:  1.47" (1926)
    
 
    - 
      2:  1.10" (1891)
    
 
    - 
      3:  1.00" (1915)
    
 
  
 
  Precipitation data from 1871 to 2022.