Records for Sioux City Area, Iowa (SUXthr) on 05-19
  Record Highs
  
    - 
      1:  99°F (1934)
    
- 
      2:  97°F (2009)
    
- 
      3:  94°F (1975)
    
 
  Record Lows
  
    - 
      1:  32°F (2002)
    
- 
      2:  32°F (1895)
    
- 
      3:  33°F (1894)
    
 
  Lowest Highs
  
    - 
      1:  68°F (1934)
    
- 
      2:  66°F (1998)
    
- 
      3:  66°F (1996)
    
 
  Highest Lows
  
    - 
      1:  44°F (1915)
    
- 
      2:  52°F (2017)
    
- 
      3:  53°F (1935)
    
 
  Highest May temperature:
  
  106°F on 05-14-2013.
  Lowest May temperature:
  
  23°F on 05-01-1909.
  Average temperature is 60.8°F
  Average high is 72.8°F
  Average low is 48.8°F
 
  Temperature data from 1889 to 2022.
  Record Precipitation
  
    - 
      1:  1.08" (1925)
    
- 
      2:  1.08" (1903)
    
- 
      3:  1.07" (1941)
    
 
  Precipitation data from 1889 to 2022.