Records for Ramona Area, California (RNMthr) on 05-31
  Record Highs
  
    - 
      1:  93°F (1984)
    
 
    - 
      2:  92°F (2004)
    
 
    - 
      3:  92°F (1997)
    
 
  
 
  Record Lows
  
    - 
      1:  40°F (2011)
    
 
    - 
      2:  41°F (1988)
    
 
    - 
      3:  41°F (1984)
    
 
  
 
  Lowest Highs
  
    - 
      1:  57°F (2019)
    
 
    - 
      2:  57°F (1992)
    
 
    - 
      3:  57°F (1981)
    
 
  
 
  Highest Lows
  
    - 
      1:  67°F (1991)
    
 
    - 
      2:  68°F (1990)
    
 
    - 
      3:  71°F (1979)
    
 
  
 
  Highest May temperature:
  
  107°F on 05-30-1984.
  Lowest May temperature:
  
  29°F on 05-21-1974.
  Average temperature is 64.3°F
  Average high is 78.1°F
  Average low is 50.4°F
 
  Temperature data from 1974 to 2022.
  Record Precipitation
  
    - 
      1:  0.00" (2022)
    
 
    - 
      2:  0.00" (2021)
    
 
    - 
      3:  0.00" (2020)
    
 
  
 
  Precipitation data from 1974 to 2022.