Records for Duluth Area, Minnesota (DLHthr) on 08-15
  Record Highs
  
    - 
      1:  92°F (1930)
    
- 
      2:  92°F (1922)
    
- 
      3:  90°F (2015)
    
 
  Record Lows
  
    - 
      1:  35°F (1976)
    
- 
      2:  37°F (1979)
    
- 
      3:  40°F (1971)
    
 
  Lowest Highs
  
    - 
      1:  73°F (1937)
    
- 
      2:  68°F (1922)
    
- 
      3:  68°F (1884)
    
 
  Highest Lows
  
    - 
      1:  56°F (1908)
    
- 
      2:  59°F (1977)
    
- 
      3:  59°F (1897)
    
 
  Highest August temperature:
  
  97°F on 08-01-1930.
  Lowest August temperature:
  
  32°F on 08-27-1986.
  Average temperature is 67.5°F
  Average high is 74.8°F
  Average low is 60.2°F
 
  Temperature data from 1874 to 2022.
  Record Precipitation
  
    - 
      1:  2.29" (1973)
    
- 
      2:  1.31" (1972)
    
- 
      3:  0.86" (1914)
    
 
  Precipitation data from 1871 to 2022.