Records for Flagstaff Area, Arizona (FLGthr) on 05-18
  Record Highs
  
    - 
      1:  82°F (1970)
    
 
    - 
      2:  81°F (2009)
    
 
    - 
      3:  81°F (2008)
    
 
  
 
  Record Lows
  
    - 
      1:  21°F (1977)
    
 
    - 
      2:  23°F (1943)
    
 
    - 
      3:  24°F (1972)
    
 
  
 
  Lowest Highs
  
    - 
      1:  47°F (1976)
    
 
    - 
      2:  46°F (1991)
    
 
    - 
      3:  45°F (2006)
    
 
  
 
  Highest Lows
  
    - 
      1:  43°F (2011)
    
 
    - 
      2:  46°F (1921)
    
 
    - 
      3:  50°F (1915)
    
 
  
 
  Highest May temperature:
  
  89°F on 05-31-2002.
  Lowest May temperature:
  
  7°F on 05-03-1915.
  Average temperature is 51.9°F
  Average high is 68.7°F
  Average low is 35°F
 
  Temperature data from 1898 to 2022.
  Record Precipitation
  
    - 
      1:  0.65" (2011)
    
 
    - 
      2:  0.45" (1915)
    
 
    - 
      3:  0.42" (1902)
    
 
  
 
  Precipitation data from 1898 to 2022.