Records for Salem Area, Oregon (SLEthr) on 05-21
  Record Highs
  
    - 
      1:  90°F (1958)
    
- 
      2:  89°F (1988)
    
- 
      3:  87°F (1969)
    
 
  Record Lows
  
    - 
      1:  32°F (1971)
    
- 
      2:  33°F (1992)
    
- 
      3:  34°F (1955)
    
 
  Lowest Highs
  
    - 
      1:  56°F (2015)
    
- 
      2:  54°F (1993)
    
- 
      3:  54°F (1914)
    
 
  Highest Lows
  
    - 
      1:  52°F (2010)
    
- 
      2:  53°F (1905)
    
- 
      3:  54°F (2013)
    
 
  Highest May temperature:
  
  100°F on 05-28-1983.
  Lowest May temperature:
  
  25°F on 05-01-1954.
  Average temperature is 58.7°F
  Average high is 70.1°F
  Average low is 47.3°F
 
  Temperature data from 1893 to 2022.
  Record Precipitation
  
    - 
      1:  0.96" (2010)
    
- 
      2:  0.81" (1996)
    
- 
      3:  0.73" (2013)
    
 
  Precipitation data from 1892 to 2022.