Records for Rapid City Area, South Dakota (RAPthr) on 10-09
  Record Highs
  
    - 
      1:  92°F (2003)
    
- 
      2:  90°F (1965)
    
- 
      3:  86°F (1963)
    
 
  Record Lows
  
    - 
      1:  14°F (2009)
    
- 
      2:  21°F (1993)
    
- 
      3:  22°F (1959)
    
 
  Lowest Highs
  
    - 
      1:  51°F (2010)
    
- 
      2:  51°F (1955)
    
- 
      3:  49°F (2021)
    
 
  Highest Lows
  
    - 
      1:  33°F (2009)
    
- 
      2:  37°F (2018)
    
- 
      3:  37°F (1987)
    
 
  Highest October temperature:
  
  96°F on 10-02-2011.
  Lowest October temperature:
  
  -7°F on 10-26-2020.
  Average temperature is 51.2°F
  Average high is 61.6°F
  Average low is 40.7°F
 
  Temperature data from 1942 to 2022.
  Record Precipitation
  
    - 
      1:  2.49" (1982)
    
- 
      2:  1.10" (1973)
    
- 
      3:  0.47" (2001)
    
 
  Precipitation data from 1942 to 2022.