Iuka 12 SW, Illinois
  ID: USC00114400  Latitude:  38.4933  Longitude:  -88.9708
  Elevation: 589.9 feet ( 179.8 meters)
  Source: NOAA Climate Normals 1991-2020
  
  
      
  
  
   
  
      
  
  
    Precipitation Total: 44.68 in., 17.59 cm.
   
  
      
  
  
   
  
      
  Monthly Data Table for Iuka 12 SW, Illinois
  Monthly Data from NOAA Monthly Normals 2006-2020
  
  
    Imperial Units
    
      | Statistic | 
      Units | 
          Jan | 
    Feb | 
    Mar | 
    Apr | 
    May | 
    Jun | 
    Jul | 
    Aug | 
    Sep | 
    Oct | 
    Nov | 
    Dec | 
    
          
      | Maximum Temperature | 
      °F | 
    39.3 | 
    42.7 | 
    55.0 | 
    66.3 | 
    75.5 | 
    85.0 | 
    87.5 | 
    86.6 | 
    81.2 | 
    68.9 | 
    54.9 | 
    43.8 | 
    
          
      | Minimum Temperature | 
      °F | 
    21.0 | 
    22.8 | 
    33.7 | 
    43.2 | 
    54.1 | 
    63.2 | 
    66.1 | 
    63.8 | 
    56.9 | 
    44.8 | 
    33.8 | 
    26.1 | 
    
      
      
          
      | Heating Degree Days | 
      °F | 
    1080.0 | 
    902.5 | 
    646.0 | 
    323.9 | 
    111.3 | 
    5.0 | 
    0.6 | 
    1.9 | 
    48.7 | 
    289.2 | 
    621.2 | 
    931.3 | 
    
          
      | Cooling Degree Days | 
      °F | 
    0.0 | 
    0.0 | 
    5.7 | 
    16.3 | 
    105.0 | 
    277.8 | 
    366.3 | 
    318.0 | 
    169.9 | 
    36.5 | 
    1.8 | 
    0.0 | 
    
          
      | Precipitation | 
      I | 
    2.5 | 
    2.8 | 
    4.5 | 
    5.2 | 
    5.2 | 
    4.8 | 
    4.1 | 
    3.8 | 
    3.7 | 
    3.8 | 
    4.0 | 
    3.7 | 
    
  
   
  
  
  
  
    Metric Units
    
      | Statistic | 
      Units | 
          Jan | 
    Feb | 
    Mar | 
    Apr | 
    May | 
    Jun | 
    Jul | 
    Aug | 
    Sep | 
    Oct | 
    Nov | 
    Dec | 
    
          
      | Maximum Temperature | 
      °C | 
    4.1 | 
    5.9 | 
    12.8 | 
    19.1 | 
    24.2 | 
    29.4 | 
    30.8 | 
    30.3 | 
    27.3 | 
    20.5 | 
    12.7 | 
    6.6 | 
    
          
      | Minimum Temperature | 
      °C | 
    -6.1 | 
    -5.1 | 
    0.9 | 
    6.2 | 
    12.3 | 
    17.3 | 
    18.9 | 
    17.7 | 
    13.8 | 
    7.1 | 
    1.0 | 
    -3.3 | 
    
      
      
          
      | Heating Degree Days | 
      °C | 
    582.2 | 
    483.6 | 
    341.1 | 
    162.2 | 
    44.1 | 
    -15.0 | 
    -17.4 | 
    -16.7 | 
    9.3 | 
    142.9 | 
    327.3 | 
    499.6 | 
    
          
      | Cooling Degree Days | 
      °C | 
    -17.8 | 
    -17.8 | 
    -14.6 | 
    -8.7 | 
    40.6 | 
    136.6 | 
    185.7 | 
    158.9 | 
    76.6 | 
    2.5 | 
    -16.8 | 
    -17.8 | 
    
          
      | Precipitation | 
      M | 
    6.4 | 
    7.1 | 
    11.3 | 
    13.2 | 
    13.3 | 
    12.2 | 
    10.3 | 
    9.6 | 
    9.3 | 
    9.7 | 
    10.1 | 
    9.3 |