Records for Williston Area, North Dakota (ISNthr) on 08-18
  Record Highs
  
    - 
      1:  102°F (2020)
    
- 
      2:  100°F (1981)
    
- 
      3:  99°F (1982)
    
 
  Record Lows
  
    - 
      1:  38°F (2002)
    
- 
      2:  38°F (1969)
    
- 
      3:  41°F (1966)
    
 
  Lowest Highs
  
    - 
      1:  72°F (1906)
    
- 
      2:  69°F (2003)
    
- 
      3:  69°F (1958)
    
 
  Highest Lows
  
    - 
      1:  60°F (1926)
    
- 
      2:  62°F (1950)
    
- 
      3:  63°F (1990)
    
 
  Highest August temperature:
  
  108°F on 08-07-1949.
  Lowest August temperature:
  
  32°F on 08-22-1911.
  Average temperature is 68.8°F
  Average high is 83.9°F
  Average low is 53.8°F
 
  Temperature data from 1894 to 2022.
  Record Precipitation
  
    - 
      1:  0.80" (1913)
    
- 
      2:  0.54" (1912)
    
- 
      3:  0.47" (1968)
    
 
  Precipitation data from 1894 to 2022.