Records for Ramona Area, California (RNMthr) on 12-18
  Record Highs
  
    - 
      1:  80°F (2003)
    
 
    - 
      2:  80°F (1979)
    
 
    - 
      3:  79°F (2009)
    
 
  
 
  Record Lows
  
    - 
      1:  26°F (2021)
    
 
    - 
      2:  26°F (2006)
    
 
    - 
      3:  26°F (2001)
    
 
  
 
  Lowest Highs
  
    - 
      1:  53°F (2010)
    
 
    - 
      2:  52°F (1991)
    
 
    - 
      3:  50°F (1996)
    
 
  
 
  Highest Lows
  
    - 
      1:  51°F (1984)
    
 
    - 
      2:  53°F (2008)
    
 
    - 
      3:  54°F (2011)
    
 
  
 
  Highest December temperature:
  
  94°F on 12-04-1979.
  Lowest December temperature:
  
  20°F on 12-05-2011.
  Average temperature is 50.2°F
  Average high is 65°F
  Average low is 35.3°F
 
  Temperature data from 1974 to 2022.
  Record Precipitation
  
    - 
      1:  1.06" (1978)
    
 
    - 
      2:  0.81" (1984)
    
 
    - 
      3:  0.56" (1977)
    
 
  
 
  Precipitation data from 1974 to 2022.