Records for San Juan Area, Puerto Rico (SJUthr) on 03-18
  Record Highs
  
    - 
      1:  94°F (1983)
    
- 
      2:  92°F (1958)
    
- 
      3:  91°F (2010)
    
 
  Record Lows
  
    - 
      1:  63°F (1956)
    
- 
      2:  64°F (1950)
    
- 
      3:  66°F (1967)
    
 
  Lowest Highs
  
    - 
      1:  77°F (1983)
    
- 
      2:  76°F (2010)
    
- 
      3:  76°F (1992)
    
 
  Highest Lows
  
    - 
      1:  77°F (1919)
    
- 
      2:  77°F (1916)
    
- 
      3:  78°F (1955)
    
 
  Highest March temperature:
  
  96°F on 03-19-1983.
  Lowest March temperature:
  
  60°F on 03-03-1957.
  Average temperature is 76.9°F
  Average high is 84°F
  Average low is 69.9°F
 
  Temperature data from 1898 to 2022.
  Record Precipitation
  
    - 
      1:  2.74" (1966)
    
- 
      2:  1.99" (1901)
    
- 
      3:  0.84" (1943)
    
 
  Precipitation data from 1898 to 2022.