Records for San Diego Area, California (SANthr) on 05-17
  Record Highs
  
    - 
      1:  94°F (1956)
    
- 
      2:  86°F (1978)
    
- 
      3:  84°F (1892)
    
 
  Record Lows
  
    - 
      1:  48°F (1894)
    
- 
      2:  49°F (1880)
    
- 
      3:  50°F (1962)
    
 
  Lowest Highs
  
    - 
      1:  67°F (1996)
    
- 
      2:  66°F (2020)
    
- 
      3:  65°F (1997)
    
 
  Highest Lows
  
    - 
      1:  61°F (1922)
    
- 
      2:  61°F (1921)
    
- 
      3:  61°F (1883)
    
 
  Highest May temperature:
  
  98°F on 05-25-1896.
  Lowest May temperature:
  
  45°F on 05-02-1883.
  Average temperature is 64.8°F
  Average high is 69.4°F
  Average low is 60.1°F
 
  Temperature data from 1874 to 2022.
  Record Precipitation
  
    - 
      1:  0.29" (1883)
    
- 
      2:  0.15" (1888)
    
- 
      3:  0.13" (1949)
    
 
  Precipitation data from 1850 to 2022.