Records for Dubuque Area, Iowa (DBQthr) on 07-21
  Record Highs
  
    - 
      1:  106°F (1901)
    
 
    - 
      2:  100°F (1934)
    
 
    - 
      3:  95°F (1983)
    
 
  
 
  Record Lows
  
    - 
      1:  50°F (1882)
    
 
    - 
      2:  51°F (1970)
    
 
    - 
      3:  52°F (1894)
    
 
  
 
  Lowest Highs
  
    - 
      1:  81°F (1901)
    
 
    - 
      2:  79°F (1934)
    
 
    - 
      3:  75°F (1991)
    
 
  
 
  Highest Lows
  
    - 
      1:  64°F (2009)
    
 
    - 
      2:  68°F (1912)
    
 
    - 
      3:  70°F (1992)
    
 
  
 
  Highest July temperature:
  
  110°F on 07-14-1936.
  Lowest July temperature:
  
  40°F on 07-09-1895.
  Average temperature is 74.5°F
  Average high is 84.6°F
  Average low is 64.4°F
 
  Temperature data from 1874 to 2022.
  Record Precipitation
  
    - 
      1:  2.52" (2017)
    
 
    - 
      2:  2.42" (2009)
    
 
    - 
      3:  2.36" (1999)
    
 
  
 
  Precipitation data from 1873 to 2022.