Records for Rapid City Area, South Dakota (RAPthr) on 08-22
  Record Highs
  
    - 
      1:  104°F (1960)
    
- 
      2:  104°F (1949)
    
- 
      3:  103°F (2003)
    
 
  Record Lows
  
    - 
      1:  38°F (1966)
    
- 
      2:  41°F (1992)
    
- 
      3:  46°F (2015)
    
 
  Lowest Highs
  
    - 
      1:  68°F (2010)
    
- 
      2:  66°F (1995)
    
- 
      3:  64°F (1975)
    
 
  Highest Lows
  
    - 
      1:  63°F (1966)
    
- 
      2:  64°F (1987)
    
- 
      3:  66°F (1944)
    
 
  Highest August temperature:
  
  107°F on 08-13-2007.
  Lowest August temperature:
  
  37°F on 08-31-2020.
  Average temperature is 70.8°F
  Average high is 82.7°F
  Average low is 58.8°F
 
  Temperature data from 1942 to 2022.
  Record Precipitation
  
    - 
      1:  1.06" (1983)
    
- 
      2:  0.71" (1962)
    
- 
      3:  0.49" (2007)
    
 
  Precipitation data from 1942 to 2022.