Records for Baltimore Area, Maryland (BWIthr) on 05-20
  Record Highs
  
    - 
      1:  95°F (1962)
    
 
    - 
      2:  94°F (1996)
    
 
    - 
      3:  94°F (1934)
    
 
  
 
  Record Lows
  
    - 
      1:  39°F (2002)
    
 
    - 
      2:  40°F (2003)
    
 
    - 
      3:  41°F (2009)
    
 
  
 
  Lowest Highs
  
    - 
      1:  71°F (2019)
    
 
    - 
      2:  71°F (1877)
    
 
    - 
      3:  70°F (1898)
    
 
  
 
  Highest Lows
  
    - 
      1:  53°F (1994)
    
 
    - 
      2:  54°F (1987)
    
 
    - 
      3:  54°F (1929)
    
 
  
 
  Highest May temperature:
  
  98°F on 05-19-1962.
  Lowest May temperature:
  
  32°F on 05-11-1966.
  Average temperature is 68°F
  Average high is 76.8°F
  Average low is 59.2°F
 
  Temperature data from 1872 to 2022.
  Record Precipitation
  
    - 
      1:  2.20" (1889)
    
 
    - 
      2:  1.97" (2005)
    
 
    - 
      3:  1.40" (1940)
    
 
  
 
  Precipitation data from 1871 to 2022.