Records for Williston Area, North Dakota (ISNthr) on 05-17
  Record Highs
  
    - 
      1:  98°F (1901)
    
- 
      2:  94°F (1972)
    
- 
      3:  90°F (1970)
    
 
  Record Lows
  
    - 
      1:  24°F (2002)
    
- 
      2:  27°F (1899)
    
- 
      3:  29°F (1986)
    
 
  Lowest Highs
  
    - 
      1:  67°F (1901)
    
- 
      2:  65°F (1934)
    
- 
      3:  59°F (1964)
    
 
  Highest Lows
  
    - 
      1:  47°F (1942)
    
- 
      2:  50°F (2015)
    
- 
      3:  50°F (1969)
    
 
  Highest May temperature:
  
  106°F on 05-22-1980.
  Lowest May temperature:
  
  10°F on 05-03-2005.
  Average temperature is 54.3°F
  Average high is 67.9°F
  Average low is 40.6°F
 
  Temperature data from 1894 to 2022.
  Record Precipitation
  
    - 
      1:  1.09" (1977)
    
- 
      2:  1.00" (1949)
    
- 
      3:  0.85" (1902)
    
 
  Precipitation data from 1894 to 2022.