Records for Oswego Area, New York (OSWN6thr) on 05-20
  Record Highs
  
    - 
      1:  87°F (1962)
    
- 
      2:  85°F (1989)
    
- 
      3:  85°F (1975)
    
 
  Record Lows
  
    - 
      1:  33°F (1981)
    
- 
      2:  33°F (1929)
    
- 
      3:  35°F (1974)
    
 
  Lowest Highs
  
    - 
      1:  63°F (1996)
    
- 
      2:  61°F (1975)
    
- 
      3:  61°F (1951)
    
 
  Highest Lows
  
    - 
      1:  48°F (1957)
    
- 
      2:  48°F (1936)
    
- 
      3:  48°F (1926)
    
 
  Highest May temperature:
  
  91°F on 05-30-1987.
  Lowest May temperature:
  
  28°F on 05-01-1943.
  Average temperature is 58.1°F
  Average high is 67.1°F
  Average low is 49.2°F
 
  Temperature data from 1926 to 2022.
  Record Precipitation
  
    - 
      1:  1.82" (1931)
    
- 
      2:  1.60" (1959)
    
- 
      3:  1.50" (1957)
    
 
  Precipitation data from 1926 to 2022.