Records for Williston Area, North Dakota (ISNthr) on 05-09
  Record Highs
  
    - 
      1:  90°F (1977)
    
- 
      2:  88°F (2007)
    
- 
      3:  88°F (1987)
    
 
  Record Lows
  
    - 
      1:  21°F (1909)
    
- 
      2:  22°F (1907)
    
- 
      3:  24°F (1981)
    
 
  Lowest Highs
  
    - 
      1:  61°F (1977)
    
- 
      2:  55°F (1987)
    
- 
      3:  54°F (1900)
    
 
  Highest Lows
  
    - 
      1:  36°F (1907)
    
- 
      2:  40°F (1979)
    
- 
      3:  41°F (1927)
    
 
  Highest May temperature:
  
  106°F on 05-22-1980.
  Lowest May temperature:
  
  10°F on 05-03-2005.
  Average temperature is 51.2°F
  Average high is 65°F
  Average low is 37.5°F
 
  Temperature data from 1894 to 2022.
  Record Precipitation
  
    - 
      1:  1.73" (1953)
    
- 
      2:  1.21" (1986)
    
- 
      3:  1.03" (2011)
    
 
  Precipitation data from 1894 to 2022.