Records for Olympia Area, Washington (OLMthr) on 05-31
  Record Highs
  
    - 
      1:  88°F (1986)
    
- 
      2:  86°F (2001)
    
- 
      3:  86°F (1992)
    
 
  Record Lows
  
    - 
      1:  30°F (1953)
    
- 
      2:  35°F (1996)
    
- 
      3:  35°F (1976)
    
 
  Lowest Highs
  
    - 
      1:  54°F (2012)
    
- 
      2:  54°F (1983)
    
- 
      3:  54°F (1956)
    
 
  Highest Lows
  
    - 
      1:  53°F (1976)
    
- 
      2:  57°F (2000)
    
- 
      3:  58°F (2011)
    
 
  Highest May temperature:
  
  96°F on 05-28-1983.
  Lowest May temperature:
  
  25°F on 05-01-1954.
  Average temperature is 57.1°F
  Average high is 68.4°F
  Average low is 45.7°F
 
  Temperature data from 1948 to 2022.
  Record Precipitation
  
    - 
      1:  1.13" (1977)
    
- 
      2:  1.00" (1993)
    
- 
      3:  0.94" (1997)
    
 
  Precipitation data from 1948 to 2022.