Records for Ramona Area, California (RNMthr) on 05-17
  Record Highs
  
    - 
      1:  97°F (2008)
    
 
    - 
      2:  92°F (1986)
    
 
    - 
      3:  89°F (2014)
    
 
  
 
  Record Lows
  
    - 
      1:  39°F (1981)
    
 
    - 
      2:  40°F (2000)
    
 
    - 
      3:  41°F (1999)
    
 
  
 
  Lowest Highs
  
    - 
      1:  58°F (1993)
    
 
    - 
      2:  56°F (2013)
    
 
    - 
      3:  56°F (2006)
    
 
  
 
  Highest Lows
  
    - 
      1:  61°F (2011)
    
 
    - 
      2:  61°F (2010)
    
 
    - 
      3:  64°F (2021)
    
 
  
 
  Highest May temperature:
  
  107°F on 05-30-1984.
  Lowest May temperature:
  
  29°F on 05-21-1974.
  Average temperature is 62.4°F
  Average high is 75.4°F
  Average low is 49.3°F
 
  Temperature data from 1974 to 2022.
  Record Precipitation
  
    - 
      1:  0.10" (2011)
    
 
    - 
      2:  0.02" (2021)
    
 
    - 
      3:  0.00" (2010)
    
 
  
 
  Precipitation data from 1974 to 2022.