Records for Charleston Downtown Area, South Carolina (CXMthr) on 07-20
  Record Highs
  
    - 
      1:  100°F (2000)
    
- 
      2:  98°F (1986)
    
- 
      3:  98°F (1934)
    
 
  Record Lows
  
    - 
      1:  66°F (1910)
    
- 
      2:  68°F (1929)
    
- 
      3:  70°F (1984)
    
 
  Lowest Highs
  
    - 
      1:  83°F (2000)
    
- 
      2:  83°F (1998)
    
- 
      3:  83°F (1942)
    
 
  Highest Lows
  
    - 
      1:  70°F (1910)
    
- 
      2:  79°F (1984)
    
- 
      3:  79°F (1918)
    
 
  Highest July temperature:
  
  103°F on 07-06-1902.
  Lowest July temperature:
  
  61°F on 07-04-1933.
  Average temperature is 82.6°F
  Average high is 87.8°F
  Average low is 77.4°F
 
  Temperature data from 1893 to 2022.
  Record Precipitation
  
    - 
      1:  2.34" (2001)
    
- 
      2:  2.04" (2018)
    
- 
      3:  1.98" (1937)
    
 
  Precipitation data from 1893 to 2022.