Records for Challis Area, Idaho (LLJthr) on 10-21
  Record Highs
  
    - 
      1:  78°F (1927)
    
 
    - 
      2:  76°F (2003)
    
 
    - 
      3:  73°F (1992)
    
 
  
 
  Record Lows
  
    - 
      1:  14°F (1945)
    
 
    - 
      2:  16°F (1958)
    
 
    - 
      3:  21°F (1928)
    
 
  
 
  Lowest Highs
  
    - 
      1:  48°F (1975)
    
 
    - 
      2:  44°F (1927)
    
 
    - 
      3:  42°F (1989)
    
 
  
 
  Highest Lows
  
    - 
      1:  40°F (1984)
    
 
    - 
      2:  40°F (1914)
    
 
    - 
      3:  42°F (1935)
    
 
  
 
  Highest October temperature:
  
  89°F on 10-14-1927.
  Lowest October temperature:
  
  -4°F on 10-31-2002.
  Average temperature is 42.7°F
  Average high is 55.6°F
  Average low is 29.7°F
 
  Temperature data from 1895 to 2022.
  Record Precipitation
  
    - 
      1:  0.20" (1914)
    
 
    - 
      2:  0.19" (2014)
    
 
    - 
      3:  0.16" (2000)
    
 
  
 
  Precipitation data from 1895 to 2022.