Records for Islip Area, New York (ISPthr) on 07-26
  Record Highs
  
    - 
      1:  93°F (2005)
    
- 
      2:  92°F (2016)
    
- 
      3:  92°F (1989)
    
 
  Record Lows
  
    - 
      1:  55°F (1978)
    
- 
      2:  56°F (1975)
    
- 
      3:  57°F (2002)
    
 
  Lowest Highs
  
    - 
      1:  77°F (1995)
    
- 
      2:  75°F (1986)
    
- 
      3:  74°F (2020)
    
 
  Highest Lows
  
    - 
      1:  70°F (2000)
    
- 
      2:  70°F (1969)
    
- 
      3:  72°F (2002)
    
 
  Highest July temperature:
  
  104°F on 07-03-1966.
  Lowest July temperature:
  
  49°F on 07-02-1965.
  Average temperature is 75.4°F
  Average high is 80.2°F
  Average low is 70.6°F
 
  Temperature data from 1963 to 2022.
  Record Precipitation
  
    - 
      1:  2.41" (2000)
    
- 
      2:  1.69" (1985)
    
- 
      3:  0.75" (1971)
    
 
  Precipitation data from 1963 to 2022.