Records for Riverside Area, California (RALthr) on 05-23
  Record Highs
  
    - 
      1:  101°F (2001)
    
- 
      2:  97°F (1949)
    
- 
      3:  96°F (1967)
    
 
  Record Lows
  
    - 
      1:  40°F (1933)
    
- 
      2:  40°F (1902)
    
- 
      3:  41°F (1960)
    
 
  Lowest Highs
  
    - 
      1:  63°F (2001)
    
- 
      2:  62°F (2017)
    
- 
      3:  60°F (2014)
    
 
  Highest Lows
  
    - 
      1:  61°F (2019)
    
- 
      2:  65°F (1995)
    
- 
      3:  65°F (1965)
    
 
  Highest May temperature:
  
  110°F on 05-29-1984.
  Lowest May temperature:
  
  33°F on 05-01-1915.
  Average temperature is 68.7°F
  Average high is 81.7°F
  Average low is 55.7°F
 
  Temperature data from 1893 to 2022.
  Record Precipitation
  
    - 
      1:  0.23" (1921)
    
- 
      2:  0.07" (1977)
    
- 
      3:  0.04" (1957)
    
 
  Precipitation data from 1893 to 2022.