Records for Dubuque Area, Iowa (DBQthr) on 04-21
  Record Highs
  
    - 
      1:  85°F (1980)
    
- 
      2:  85°F (1902)
    
- 
      3:  83°F (1985)
    
 
  Record Lows
  
    - 
      1:  26°F (1982)
    
- 
      2:  26°F (1904)
    
- 
      3:  27°F (2021)
    
 
  Lowest Highs
  
    - 
      1:  62°F (1985)
    
- 
      2:  59°F (1891)
    
- 
      3:  57°F (1926)
    
 
  Highest Lows
  
    - 
      1:  36°F (1918)
    
- 
      2:  36°F (1893)
    
- 
      3:  38°F (1927)
    
 
  Highest April temperature:
  
  93°F on 04-22-1980.
  Lowest April temperature:
  
  10°F on 04-06-1982.
  Average temperature is 50.3°F
  Average high is 60.9°F
  Average low is 39.6°F
 
  Temperature data from 1874 to 2022.
  Record Precipitation
  
    - 
      1:  1.20" (1972)
    
- 
      2:  0.82" (1967)
    
- 
      3:  0.82" (1892)
    
 
  Precipitation data from 1873 to 2022.