Records for Guam Area, Guam (GUMthr) on 12-30
  Record Highs
  
    - 
      1:  90°F (1988)
    
- 
      2:  89°F (2016)
    
- 
      3:  89°F (2010)
    
 
  Record Lows
  
    - 
      1:  71°F (1965)
    
- 
      2:  71°F (1962)
    
- 
      3:  72°F (1992)
    
 
  Lowest Highs
  
    - 
      1:  85°F (1945)
    
- 
      2:  79°F (2014)
    
- 
      3:  79°F (2012)
    
 
  Highest Lows
  
    - 
      1:  82°F (1977)
    
- 
      2:  82°F (1955)
    
- 
      3:  82°F (1949)
    
 
  Highest December temperature:
  
  91°F on 12-02-1994.
  Lowest December temperature:
  
  68°F on 12-31-1962.
  Average temperature is 81°F
  Average high is 86.1°F
  Average low is 75.8°F
 
  Temperature data from 1945 to 2022.
  Record Precipitation
  
    - 
      1:  3.11" (2003)
    
- 
      2:  0.48" (1985)
    
- 
      3:  0.37" (1950)
    
 
  Precipitation data from 1945 to 2022.