Records for Sisseton Area, South Dakota (8D3thr) on 08-21
  Record Highs
  
    - 
      1:  102°F (1947)
    
- 
      2:  98°F (1976)
    
- 
      3:  98°F (1955)
    
 
  Record Lows
  
    - 
      1:  35°F (2004)
    
- 
      2:  44°F (1986)
    
- 
      3:  44°F (1950)
    
 
  Lowest Highs
  
    - 
      1:  73°F (1947)
    
- 
      2:  72°F (1942)
    
- 
      3:  69°F (1983)
    
 
  Highest Lows
  
    - 
      1:  55°F (1966)
    
- 
      2:  67°F (2009)
    
- 
      3:  67°F (1964)
    
 
  Highest August temperature:
  
  108°F on 08-10-1947.
  Lowest August temperature:
  
  34°F on 08-26-1944.
  Average temperature is 68.8°F
  Average high is 79.6°F
  Average low is 57.9°F
 
  Temperature data from 1931 to 2022.
  Record Precipitation
  
    - 
      1:  2.58" (1964)
    
- 
      2:  1.23" (2014)
    
- 
      3:  0.57" (1984)
    
 
  Precipitation data from 1931 to 2022.