Records for Boise Area, Idaho (BOIthr) on 07-31
  Record Highs
  
    - 
      1:  109°F (1892)
    
 
    - 
      2:  106°F (2022)
    
 
    - 
      3:  106°F (1992)
    
 
  
 
  Record Lows
  
    - 
      1:  44°F (1975)
    
 
    - 
      2:  47°F (1897)
    
 
    - 
      3:  48°F (1995)
    
 
  
 
  Lowest Highs
  
    - 
      1:  76°F (2018)
    
 
    - 
      2:  75°F (1929)
    
 
    - 
      3:  75°F (1918)
    
 
  
 
  Highest Lows
  
    - 
      1:  74°F (1937)
    
 
    - 
      2:  77°F (2001)
    
 
    - 
      3:  77°F (1975)
    
 
  
 
  Highest July temperature:
  
  111°F on 07-12-1898.
  Lowest July temperature:
  
  35°F on 07-05-1986.
  Average temperature is 79.2°F
  Average high is 94.6°F
  Average low is 63.7°F
 
  Temperature data from 1875 to 2022.
  Record Precipitation
  
    - 
      1:  0.83" (2021)
    
 
    - 
      2:  0.78" (1976)
    
 
    - 
      3:  0.38" (1888)
    
 
  
 
  Precipitation data from 1878 to 2022.