Records for Ukiah Area, California (UKIthr) on 05-31
  Record Highs
  
    - 
      1:  106°F (2021)
    
- 
      2:  104°F (1910)
    
- 
      3:  103°F (2001)
    
 
  Record Lows
  
    - 
      1:  28°F (1919)
    
- 
      2:  34°F (1920)
    
- 
      3:  36°F (1908)
    
 
  Lowest Highs
  
    - 
      1:  60°F (1997)
    
- 
      2:  59°F (1992)
    
- 
      3:  57°F (2021)
    
 
  Highest Lows
  
    - 
      1:  57°F (1898)
    
- 
      2:  58°F (1899)
    
- 
      3:  59°F (1943)
    
 
  Highest May temperature:
  
  106°F on 05-31-2021.
  Lowest May temperature:
  
  28°F on 05-31-1919.
  Average temperature is 64.3°F
  Average high is 79°F
  Average low is 49.5°F
 
  Temperature data from 1893 to 2022.
  Record Precipitation
  
    - 
      1:  1.23" (1899)
    
- 
      2:  0.72" (1993)
    
- 
      3:  0.59" (1943)
    
 
  Precipitation data from 1893 to 2022.